Academic literature on the topic 'Single Phase Multiferroic Materials'

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Journal articles on the topic "Single Phase Multiferroic Materials"

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Yeo, Hong Goo. "Review of Single-Phase Magnetoelectric Multiferroic Thin Film and Process." Ceramist 24, no. 3 (September 30, 2021): 295–313. http://dx.doi.org/10.31613/ceramist.2021.24.3.01.

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Advance in the growth and characterization of multiferroic thin film promises new device application such as next generation memory, nanoelectronics and energy harvesting. In this review, we provide a brief overview of recent progress in the growth, characterization and understanding of thin-film multiferroics. Driven by the development of thin film growth techniques, the ability to produce high quality multiferroic thin films offers researchers access to new phase and understanding of these materials. We discuss that epitaxial strain and atomic-level engineering of chemistry determine the muliferroic thin film properties. We then discuss the new structures and properties of non-equilibrium phases which is stabilized by strain engineering.
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Cho, Jae-Hyeon, and Wook Jo. "Progress in the Development of Single-Phase Magnetoelectric Multiferroic Oxides." Ceramist 24, no. 3 (September 30, 2021): 228–47. http://dx.doi.org/10.31613/ceramist.2021.24.3.03.

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Magnetoelectric (ME) multiferroics manifesting the coexistence and the coupling of ferromagnetic and ferroelectric order are appealing widespread interest owing to their fascinating physical behaviors and possible novel applications. In this review, we highlight the progress in single-phase ME multiferroic oxides research in terms of the classification depending on the physical origins of ferroic properties and the corresponding examples for each case, i.e., material by material, along with their ME multiferroic properties including saturation magnetization, spontaneous polarization, (anti)ferromagnetic/ferroelectric transition temperature, and ME coefficient. The magnetoelectrically-active applications of high expectancy are presented by citing the representative examples such as magnetoelectric random-access-memory and multiferroic photovoltaics. Furthermore, we discuss how the development of ME multiferroic oxides should proceed by considering the current research status in terms of developed materials and designed applications. We believe that this short review will provide a basic introduction for the researchers new to this field.
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Zhao, Shifeng. "Advances in Multiferroic Nanomaterials Assembled with Clusters." Journal of Nanomaterials 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/101528.

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As an entirely new perspective of multifunctional materials, multiferroics have attracted a great deal of attention. With the rapidly developing micro- and nano-electro-mechanical system (MEMS&NEMS), the new kinds of micro- and nanodevices and functionalities aroused extensive research activity in the area of multiferroics. As an ideal building block to assemble the nanostructure, cluster exhibits particular physical properties related to the cluster size at nanoscale, which is efficient in controlling the multiferroic properties for nanomaterials. This review focuses on our recent advances in multiferroic nanomaterials assembled with clusters. In particular, the single phase multiferroic films and compound heterostructured multiferroic films assembled with clusters were introduced detailedly. This technique presents a new and efficient method to produce the nanostructured multiferroic materials for their potential application in NEMS devices.
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Hajlaoui, Thameur, Catalin Harnagea, and Alain Pignolet. "Magnetoelectric Coupling in Room Temperature Multiferroic Ba2EuFeNb4O15/BaFe12O19 Epitaxial Heterostructures Grown by Laser Ablation." Nanomaterials 13, no. 4 (February 17, 2023): 761. http://dx.doi.org/10.3390/nano13040761.

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Multiferroic thin films are a promising class of multifunctional materials, since they allow the integration of multiple functionalities within a single device. In order to overcome the scarcity of single phase multiferroics, it is crucial to develop novel multiferroic heterostructures, combining good ferroelectric and ferromagnetic properties as well as a strong coupling between them. For this purpose, Ba2EuFeNb4O15/BaFe12O19 multiferroic magnetoelectric bilayers have been epitaxially grown on niobium doped SrTiO3 (100) single crystal substrates by pulsed laser deposition. The simultaneous presence of both ferroelectric and magnetic properties—due, respectively, to the Ba2EuFeNb4O15 and BaFe12O19 components—was demonstrated at room temperature, attesting the multiferroic nature of the heterostructure. More interestingly, a strong magnetoelectric coupling was demonstrated (i) by manipulating the ferroelectric properties via an external magnetic field, and conversely, (ii) by tuning the magnetic properties via an external electric field. This strong magnetoelectric coupling shows the high interdependence of both ferroic orders in the Ba2EuFeNb4O15/BaFe12O19 heterostructure, mediated by elastic (epitaxial) strain at the interfaces.
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Shukla, Dinesh, Nhalil E. Rajeevan, and Ravi Kumar. "Combining Magnetism and Ferroelectricity towards Multiferroicity." Solid State Phenomena 189 (June 2012): 15–40. http://dx.doi.org/10.4028/www.scientific.net/ssp.189.15.

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The attempts to combine both the magnetic and ferroelectric properties in one material started in 1960s predominantly by the group of Smolenskii and Schmid [1. Dzyaloshinskii first presented the theory for multiferroicity in Cr2O3, which was soon experimentally confirmed by Astrov [5,. Further work on multiferroics was done by the group of Smolenskii in St. Petersburg (then Leningrad) [7, but the term multiferroic was first used by H. Schmid in 1994 [. These efforts have resulted in many fundamental observations and opened up an entirely new field of study. Schmid [ defined the multiferroics as single phase materials which simultaneously possess two or more primary ferroic properties. The term multiferroic has been expanded to include materials which exhibit any type of long range magnetic ordering, spontaneous electric polarization, and/or ferroelasticity. In the past decade, several hundreds of papers related to multiferroic materials and magnetoelectric effect have been published every year, making this topic one of the hottest areas in condensed matter physics from fundamental science as well as applications viewpoints. This article sheds light on recent progress about the developments of new multiferroics by combining unconventional magnetism and ferroelectricity with an emphasis on Bi based multiferroic materials. Specifically results of Ti doped BiMn2O5and Bi doped Co2MnO4multiferroics are discussed.
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Dong, Shuai, Hongjun Xiang, and Elbio Dagotto. "Magnetoelectricity in multiferroics: a theoretical perspective." National Science Review 6, no. 4 (February 18, 2019): 629–41. http://dx.doi.org/10.1093/nsr/nwz023.

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ABSTRACT The key physical property of multiferroic materials is the existence of coupling between magnetism and polarization, i.e. magnetoelectricity. The origin and manifestations of magnetoelectricity can be very different in the available plethora of multiferroic systems, with multiple possible mechanisms hidden behind the phenomena. In this review, we describe the fundamental physics that causes magnetoelectricity from a theoretical viewpoint. The present review will focus on mainstream physical mechanisms in both single-phase multiferroics and magnetoelectric heterostructures. The most recent tendencies addressing possible new magnetoelectric mechanisms will also be briefly outlined.
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Roy, Kuntal. "Dynamical systems study in single-phase multiferroic materials." EPL (Europhysics Letters) 108, no. 6 (December 1, 2014): 67002. http://dx.doi.org/10.1209/0295-5075/108/67002.

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Liu, Sheng, Feng Xiang, Yulan Cheng, Yajun Luo, and Jing Sun. "Multiferroic and Magnetodielectric Effects in Multiferroic Pr2FeAlO6 Double Perovskite." Nanomaterials 12, no. 17 (August 30, 2022): 3011. http://dx.doi.org/10.3390/nano12173011.

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Single-phase multiferroics that allow the coexistence of ferroelectric and magnetic ordering above room temperature are highly desirable, and offer a fundamental platform for novel functionality. In this work, a double perovskite multiferroic Pr2FeAlO6 ceramic is prepared using a sol-gel process followed by a quenching treatment. The well-crystallized and purified Pr2FeAlO6 in trigonal structure with space group R3c is confirmed. A combination of the ferroelectric (2Pr = 0.84 μC/cm2, Ec = 7.78 kV/cm at an applied electric field of 20 kV/cm) and magnetic (2Mr = 433 memu/g, Hc = 3.3 kOe at an applied magnetic field of 1.0 T) hysteresis loops reveals the room-temperature multiferroic properties. Further, the magnetoelectric effect is observed from the measurements of magnetically induced dielectric response and polarization. The present results suggest a new complex oxide candidate for room-temperature multiferroic applications.
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Ferreira, P., A. Castro, P. M. Vilarinho, M. G. Willinger, J. Mosa, C. Laberty, and C. Sanchez. "Electron Microscopy Study of Porous and Co Functionalized BaTiO3 Thin Films." Microscopy and Microanalysis 18, S5 (August 2012): 115–16. http://dx.doi.org/10.1017/s1431927612013232.

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Multiferroics are currently of great interest for applications in microelectronics namely in future data storage and spintronic devices. These materials couple simultaneously ferroelectric and ferromagnetic properties and have potentially different applications resulting from the coupling between their dual order parameters. A true multiferroic material is single phase. However, the known true multiferroic materials possess insufficient coupling between the two phenomena or their magnetoelectric response occurs at temperatures too low to be useful in practical applications. But a tremendous progress in the field of microelectronics can be expected if one is able to design an effective multiferroic material with ideal coupling of the ferromagnetic and ferroelectric properties to suit a particular application. Within this context composite structures are gaining considerable interest and different strategies in terms of materials microstructure have been proposed including horizontal multilayers and vertical heterostructures. In the horizontal multilayer heterostructures, the alternating layers of conventional ferro/ferrimagnetic and ferroelectric phases are grown, while in the vertical heterostructures nanopillars of the ferro/ferrimagnetic phase are embedded in a ferroelectric matrix. The later structures show advantages over the first ones because promote larger interfacial surface area and are intrinsically heteroepitaxial in three dimensions; which is expected to allow a stronger coupling between ferroelectric and ferromagnetic components.
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Li, Zheng, Kun Tao, Jing Ma, Zhipeng Gao, Vladimir Koval, Changjun Jiang, Giuseppe Viola, et al. "Bi3.25La0.75Ti2.5Nb0.25(Fe0.5Co0.5)0.25O12, a single phase room temperature multiferroic." Journal of Materials Chemistry C 6, no. 11 (2018): 2733–40. http://dx.doi.org/10.1039/c8tc00161h.

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Dissertations / Theses on the topic "Single Phase Multiferroic Materials"

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Hu, Lin. "Oxidation of Single and Dual Phase NiCrAl(Y) Bond Coat Alloys." Cleveland, Ohio : Case Western Reserve University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1253714943.

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Thesis(Ph.D.)--Case Western Reserve University, 2009
Title from PDF (viewed on 2009-12-22) Department of Materials Science and Engineering Includes abstract Includes bibliographical references and appendices Available online via the OhioLINK ETD Center
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Sun, Jessica H. "Polymer synthesis for corona phase molecular recognition based on single-walled carbon nanotubes." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119068.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2018.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 32-34).
Current work within Strano Research Group shows that single-walled carbon nanotubes (SWNT) wrapped with methacrylic acid-styrene heteropolymer (MA-ST) can be used for specific corona phase molecular recognition (CoPhMoRe) of Vardenafil, a small molecule drug. This project is a follow-up study on viability of related polymers for CoPhMoRe sensing of five small molecule drugs: Fluticasone, Sumatriptan, Valacyclovir, Vardenafil, and Bupropion. Methacrylic acid-vinylphenylboronic acid (MA-VBA) heteropolymer and acrylic acid-styrene (AA-ST) heteropolymer were synthesized at different monomer ratios and chain lengths. These polymers were suspended with the carbon nanotubes and screened against the five drugs. The (12,1) chirality of MA-VBA-4 and (7,5) chirality of AA-ST-2 were found to be potential candidates for sensing of Fluticasone and Vardenafil respectively. However, MA-ST 8 remains as the superior choice for the specific sensing of Vardenafil.
by Jessica H. Sun.
S.B.
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Wang, Billie. "Integrated Computational Microstructure Engineering for Single-Crystal Nickel-base Superalloys." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1228147112.

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Hampus, Randén. "Performance improvement from single to multi phase change materials in a thermal energy storage system." Thesis, KTH, Energiteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-175153.

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Phase change materials are used in many applications to work as thermal energy storage systems. One way to transfer the heat is by letting water flow through a finned pipe submerged in i tank filled with PCMs. This model is analyzed with a finite element difference  based numerical software. The power ratio between using single-PCM and multi-PCMs is compared. The hypothesis was that a multi-PCM configuration is more efficient than a single. The results show that a multi-PCM configuration is more efficient than a single-PCM configuration. It however also indicates that it is of great importance to chose the right temperature span of PCM temperatures to achieve as high power performance as possible. This is recommended for further studies.
Fasväxlingsmaterial (Phase Change Material, PCM) används i många sammanhang för att lagra energi vid konstant temperatur. Ett sätt att överföra värmen är att låta vatten flöda genom ett flänsat rör nedsänkt i en tank fylld med PCM. Denna modell analyseras med en FEM-baserad numerisk mjukvara. Studien jämför den utvunna effekten ur en modell med endast ett PCM, med effekten utvunnen ur en modell med tre olika PCM. Hypotesen var att ett system med flera material var bättre än ett system med endast ett för att erhålla maximal effekt.   Resultatet visar att en modell med flera PCM är effektivare än en modell med endast ett. Det indikerar betydelsen av vilka temperaturer av PCM som väljs för att uppnå så hög effekt som möjligt. Detta område rekommenderas för fortsatta studier.
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Yoo, Sehoon. "Oriented arrays of single crystal TiO2 nanofibers by gas-phase etching: processing and characterization." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1117566246.

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Thesis (Ph. D.)--Ohio State University, 2005.
Title from first page of PDF file. Document formatted into pages; contains xix, 217 p.; also includes graphics (some col.) Includes bibliographical references (p. 199-217). Available online via OhioLINK's ETD Center
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Counihan, Patrick John. "Nanostructured single-phase Ti₅Si₃ produced by crystallization of mechanically amorphized and shock densified powder compact." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/19984.

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MOHAMED, ASHRAF ELSAID. "An Experimental Investigation of Supersonic Rectangular Over-Expanded Nozzle of Single and Two-Phase Flows." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1204661977.

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Si, Xiuhua. "Applications of the thermodynamics of elastic, crystalline materials." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4177.

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The thermodynamic behaviors of multicomponent, elastic, crystalline solids under stress and electro-magnetic fields are developed, including the extension of Euler’s equation, Gibbs equation, Gibbs-Duhem equation, the conditions to be expected at equilibrium, and an extension of the Gibbs phase rule. The predictions of this new phase rule are compared with experimental observations. The stress deformation behaviors of the single martensitic crystal with and without magnetic fields were studied with the stress deformation equation derived by Slattery and Si (2005). One coherent interfacial condition between two martensitic variants was developed and used as one boundary condition of the problem. The dynamic magnetic actuation process of the single crystal actuator was analyzed. The extension velocity and the actuation time of the single crystal actuator are predicted. The relationship between the external stress and the extension velocity and the actuation time with the presence of a large external magnetic field was studied. The extended Gibbs-Duhem equation and Slattery-Lagoudas stress-deformation expression for crystalline solids was used. Interfacial constraints on the elastic portion of stress for crystalline-crystalline interfaces and crystalline-fluids or crystallineamorphous solids interfaces were derived and tested by the oxidation on the exterior of a circular cylinder, one-sided and two-sided oxidation of a plate. An experiment for measuring solid-solid interface surface energies was designed and the silicon-silicon dioxide surface energy was estimated. A new generalized Clausius-Clapeyron equation has been derived for elastic crystalline solids as well as fluids and amorphous solids. Special cases are pertinent to coherent interfaces as well as the latent heat of transformation.
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Webber, Kyle Grant. "Effect of Domain Wall Motion and Phase Transformations on Nonlinear Hysteretic Constitutive Behavior in Ferroelectric Materials." Diss., Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22695.

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The primary focus of this research is to investigate the non-linear behavior of single crystal and polycrystalline relaxor ferroelectric PMN-xPT and PZN-xPT through experimentation and modeling. Characterization of single crystal and polycrystalline specimens with similar compositions was performed. These data give experimental insight into the differences that may arise in a polycrystal due to local interaction with inhomogeneities. Single crystal specimens were characterized with a novel experimental technique that reduced clamping effects at the boundary and gave repeatable results. The measured experimental data was used in conjunction with electromechanical characterizations of other compositions of single crystal specimens with the same crystallographic orientation to study the compositional effects on material properties and phase transition behavior. Experimental characterization provided the basis for the development of a model of the continuous phase transformation behavior seen in PMN-xPT single crystals. In the modeling it is assumed that a spatial chemical and structural heterogeneity is primarily responsible for the gradual phase transformation behavior observed in relaxor ferroelectric materials. The results are used to simulate the effects of combined electrical and mechanical loading. An improved rate-independent micromechanical constitutive model based on the experimental observations of single crystal and polycrystalline specimens under large field loading is also presented. This model accounts for the non-linear evolution of variant volume fractions. The micromechanical model was calibrated using single crystal data. Simulations of the electromechanical behavior of polycrystalline ferroelectric materials are presented. These results illustrate the effects of non-linear single crystal behavior on the macroscopic constitutive behavior of polycrystals.
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Blößer, André [Verfasser], and Roland [Akademischer Betreuer] Marschall. "Nanostructured, Single-Phase Ferrite Materials : Synthesis, Characterization, and Assessment of Their Suitability for Photocatalytic Applications. / André Blößer ; Betreuer: Roland Marschall." Bayreuth : Universität Bayreuth, 2021. http://d-nb.info/1231356790/34.

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Books on the topic "Single Phase Multiferroic Materials"

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Michel, Laguës, and SpringerLink (Online service), eds. Scale Invariance: From Phase Transitions to Turbulence. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2012.

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Rosenberger, F. Growth of zinc selenide single crystals by physical vapor transport in microgravity: Final report, NASA grant NAG8-767, period of performance, 4/1/89 - 8/31/95. Huntsville, Ala: Center for Microgravity and Materials Research, University of Alabama in Huntsville, 1995.

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Rosenberger, F. Growth of zinc selenide single crystals by physical vapor transport in microgravity: Semi-annual progress report, NASA grant NAG8-767, period of performance, 4/1/93 through 10/1/93. Huntsville, Ala: Center for Microgravity and Materials Research, University of Alabama in Huntsville, 1993.

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Cantor, Brian. The Equations of Materials. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198851875.001.0001.

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This book describes some of the important equations of materials and the scientists who derived them. It is aimed at anyone interested in the manufacture, structure, properties and engineering application of materials such as metals, polymers, ceramics, semiconductors and composites. It is meant to be readable and enjoyable, a primer rather than a textbook, covering only a limited number of topics and not trying to be comprehensive. It is pitched at the level of a final year school student or a first year undergraduate who has been studying the physical sciences and is thinking of specialising into materials science and/or materials engineering, but it should also appeal to many other scientists at other stages of their career. It requires a working knowledge of school maths, mainly algebra and simple calculus, but nothing more complex. It is dedicated to a number of propositions, as follows: 1. The most important equations are often simple and easily explained; 2. The most important equations are often experimental, confirmed time and again; 3. The most important equations have been derived by remarkable scientists who lived interesting lives. Each chapter covers a single equation and materials subject. Each chapter is structured in three sections: first, a description of the equation itself; second, a short biography of the scientist after whom it is named; and third, a discussion of some of the ramifications and applications of the equation. The biographical sections intertwine the personal and professional life of the scientist with contemporary political and scientific developments. The topics included are: Bravais lattices and crystals; Bragg’s law and diffraction; the Gibbs phase rule and phases; Boltzmann’s equation and thermodynamics; the Arrhenius equation and reactions; the Gibbs-Thomson equation and surfaces; Fick’s laws and diffusion; the Scheil equation and solidification; the Avrami equation and phase transformations; Hooke’s law and elasticity; the Burgers vector and plasticity; Griffith’s equation and fracture; and the Fermi level and electrical properties.
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Narlikar, A. V., and Y. Y. Fu, eds. Oxford Handbook of Nanoscience and Technology. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533053.001.0001.

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This Handbook presents important developments in the field of nanoscience and technology, focusing on the advances made with a host of nanomaterials including DNA and protein-based nanostructures. Topics include: optical properties of carbon nanotubes and nanographene; defects and disorder in carbon nanotubes; roles of shape and space in electronic properties of carbon nanomaterials; size-dependent phase transitions and phase reversal at the nanoscale; scanning transmission electron microscopy of nanostructures; the use of microspectroscopy to discriminate nanomolecular cellular alterations in biomedical research; holographic laser processing for three-dimensional photonic lattices; and nanoanalysis of materials using near-field Raman spectroscopy. The volume also explores new phenomena in the nanospace of single-wall carbon nanotubes; ZnO wide-bandgap semiconductor nanostructures; selective self-assembly of semi-metal straight and branched nanorods on inert substrates; nanostructured crystals and nanocrystalline zeolites; unusual properties of nanoscale ferroelectrics; structural, electronic, magnetic, and transport properties of carbon-fullerene-based polymers; fabrication and characterization of magnetic nanowires; and properties and potential of protein-DNA conjugates for analytic applications.
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Book chapters on the topic "Single Phase Multiferroic Materials"

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He, Yanjie, James Iocozzia, and Zhiqun Lin. "Magnetoelectric Effect in Single-Phase Multiferroic Materials." In Nano/Micro-Structured Materials for Energy and Biomedical Applications, 49–75. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7787-6_2.

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Yang, Jan-Chi, Yen-Lin Huang, and Ying-Hao Chu. "Single-Phase Type-I Multiferroics." In Series in Material Science and Engineering, 33–65. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315372532-3.

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Angst, Manuel. "Single-Phase Type-I Multiferroics." In Series in Material Science and Engineering, 67–97. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315372532-4.

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Dong, Shuai, and Jun-Ming Liu. "Single-Phase Type-II Multiferroics." In Series in Material Science and Engineering, 99–137. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315372532-5.

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Stangle, Gregory C. "Expressions for a single-phase material." In Modelling of Materials Processing, 291–310. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5813-2_6.

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Embury, J. David, Warren J. Poole, and David J. Lloyd. "The Work Hardening of Single Phase and Multi-Phase Aluminium Alloys." In Materials Science Forum, 71–78. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-408-1.71.

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Chen, Long-Qing. "Phase Equilibria of Single-Component Materials." In Thermodynamic Equilibrium and Stability of Materials, 297–332. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-13-8691-6_11.

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Stangle, Gregory C. "Balance equations for a single-phase material." In Modelling of Materials Processing, 93–198. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5813-2_3.

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Kabanov, V. V. "From Single Polaron to Short Scale Phase Separation." In Polarons in Advanced Materials, 373–90. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6348-0_9.

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Grimes, Roger, R. J. Dashwood, A. Dorban, M. Jackson, S. Katsas, I. Pong, and G. Todd. "Development of Superplastic Properties in Quasi Single Phase Alloys." In Superplasticity in Advanced Materials, 357–64. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-435-9.357.

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Conference papers on the topic "Single Phase Multiferroic Materials"

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DeGiorgi, Virginia G., Peter Finkel, Lauren Garten, and Margo Staruch. "Transduction Using Functional Materials: Basic Science and Understanding at the U. S. Naval Research Laboratory." In ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/smasis2019-5501.

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Abstract Recently NRL researchers have embarked on a basic research effort “Tuning Giant Magnetoelectric Properties in Phase Transformation Multiferroics” focused on multifunctional materials for energy transduction and conversion. Multiferroic materials combine at least two coupled ferroic properties and are used in multiple applications including magnetic field sensors, energy harvesting devices, non-volatile memory and antennas. There are very few single phase multiferroic materials, and they normally have relatively low magnetoelectric (ME) coupling coefficient. In contrast, engineered materials such as ME composites fabricated from piezoelectric and magnetostrictive materials can show multiple orders of magnitudes increase in the ME coupling coefficient. The optimal design of ME composites would lead to conditions of maximum response (strain, induced voltage, or field) with minimum applied electric or magnetic fields, providing advanced materials for transduction, sensing, energy harvesting and other applications. That is why NRL researchers are working on piezoelectric materials with enhanced properties due to a phase transformation that would minimize the stimuli needed to achieve large strains. Key to the successful design and fabrication of ME composites is an understanding of interface characteristics as well as individual material components. In this paper we will review the current status of work at NRL on engineered multiferroic composites comprised of piezoelectric and magnetostrictive materials coupled through strain. There are still many open questions about the interfacial properties as well as the individual component materials. Details will be presented from recent work on material characterization under repetitive cycling, interface characteristics, and stress/electric/thermal effects on driving the phase transition in a relaxor ferroelectric single crystal.
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Sanchez, D., N. Ortega, R. S. Katiyar, Ashok Kumar, and J. F. Scott. "Room temperature novel multiferroic single phase materials: (PbFe0.5Ta0.5O3)x-(PbZr0.53Ti0.47O3)(1−x)." In 2012 Joint 21st IEEE ISAF / 11th IEEE ECAPD / IEEE PFM (ISAF/ECAPD/PFM). IEEE, 2012. http://dx.doi.org/10.1109/isaf.2012.6297747.

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Tripathy, A., K. Gautam, K. Dey, A. Ahad, I. A. Gudim, V. G. Sathe, and D. K. Shukla. "Dielectric and Raman spectroscopy measurements across structural phase transition in multiferroic HoFe3(BO3)4 single crystal." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS: ICAM 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5130272.

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Dadami, Sunanda T., Shidaling Matteppanvar, Shivaraja I., Sudhindra Rayaprol, S. K. Deshpande, and Basavaraj Angadi. "Single phase Pb0.7Bi0.3Fe0.65Nb0.35O3 multiferroic: Neutron diffraction, impedance and modulus studies." In DAE SOLID STATE PHYSICS SYMPOSIUM 2017. Author(s), 2018. http://dx.doi.org/10.1063/1.5029132.

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Suresh, Pittala, and S. Srinath. "Effect of synthesis route on the multiferroic properties of single phase BiFeO3." In SOLID STATE PHYSICS: Proceedings of the 58th DAE Solid State Physics Symposium 2013. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4873059.

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Dadami, Sunanda T., Sudhindra Rayaprol, S. K. Deshpande, and Basavaraj Angadi. "Single phase synthesis, neutron diffraction and dielectric studies on 0.6PbFe0.5Nb0.5O3-0.4BiFeO3 multiferroic." In DAE SOLID STATE PHYSICS SYMPOSIUM 2018. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5113400.

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Nikitin, A. A., A. B. Ustinov, A. A. Semenov, O. V. Pakhomov, and E. Lahderanta. "Thin-film multiferroic phase shifter based on a slot transmission line." In 2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS). IEEE, 2014. http://dx.doi.org/10.1109/metamaterials.2014.6948653.

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Sreenivasu, T., K. S. K. R. Chandra Sekhar, Anantharao Paila, B. Suryanarayana, K. Chandra Mouli, J. Praveen Kumar, and Patri Tirupathi. "Observation of dielectric anomalies at magnetic phase transitions in 0.5(BiFeO3)0.5(Ba0.9Sr0.1TiO3) multiferroic ceramic." In INTERNATIONAL CONFERENCE ON MULTIFUNCTIONAL MATERIALS (ICMM-2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0019499.

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Chauhan, Sunil, Manoj Kumar, Himanshu Pandey, and Mohit Sahni. "Room temperature multiferroic properties of rapid liquid phase sintered Pb+2 doped bismuth ferrite." In NATIONAL CONFERENCE ON ADVANCED MATERIALS AND NANOTECHNOLOGY - 2018: AMN-2018. Author(s), 2018. http://dx.doi.org/10.1063/1.5052074.

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Raevski, I. P., S. P. Kubrin, S. I. Raevskaya, S. A. Prosandeev, M. A. Malitskaya, Yu N. Zakharov, A. G. Lutokhin, et al. "The effect of A-site and B-site ion substitutions on the temperatures of ferroelectric and magnetic phase transitions in multiferroic PbFe0.5Nb0.5O3." In Nanoscale Phenomena in Polar Materials. IEEE, 2011. http://dx.doi.org/10.1109/isaf.2011.6014097.

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Reports on the topic "Single Phase Multiferroic Materials"

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Torres, Marissa, Michael-Angelo Lam, and Matt Malej. Practical guidance for numerical modeling in FUNWAVE-TVD. Engineer Research and Development Center (U.S.), October 2022. http://dx.doi.org/10.21079/11681/45641.

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This technical note describes the physical and numerical considerations for developing an idealized numerical wave-structure interaction modeling study using the fully nonlinear, phase-resolving Boussinesq-type wave model, FUNWAVE-TVD (Shi et al. 2012). The focus of the study is on the range of validity of input wave characteristics and the appropriate numerical domain properties when inserting partially submerged, impermeable (i.e., fully reflective) coastal structures in the domain. These structures include typical designs for breakwaters, groins, jetties, dikes, and levees. In addition to presenting general numerical modeling best practices for FUNWAVE-TVD, the influence of nonlinear wave-wave interactions on regular wave propagation in the numerical domain is discussed. The scope of coastal structures considered in this document is restricted to a single partially submerged, impermeable breakwater, but the setup and the results can be extended to other similar structures without a loss of generality. The intended audience for these materials is novice to intermediate users of the FUNWAVE-TVD wave model, specifically those seeking to implement coastal structures in a numerical domain or to investigate basic wave-structure interaction responses in a surrogate model prior to considering a full-fledged 3-D Navier-Stokes Computational Fluid Dynamics (CFD) model. From this document, users will gain a fundamental understanding of practical modeling guidelines that will flatten the learning curve of the model and enhance the final product of a wave modeling study. Providing coastal planners and engineers with ease of model access and usability guidance will facilitate rapid screening of design alternatives for efficient and effective decision-making under environmental uncertainty.
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Schiller, Brandon, Tara Hutchinson, and Kelly Cobeen. Cripple Wall Small-Component Test Program: Wet Specimens I (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, November 2020. http://dx.doi.org/10.55461/dqhf2112.

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This report is one of a series of reports documenting the methods and findings of a multi-year, multi-disciplinary project coordinated by the Pacific Earthquake Engineering Research Center (PEER and funded by the California Earthquake Authority (CEA). The overall project is titled “Quantifying the Performance of Retrofit of Cripple Walls and Sill Anchorage in Single-Family Wood-Frame Buildings,” henceforth referred to as the “PEER–CEA Project.” The overall objective of the PEER–CEA Project is to provide scientifically based information (e.g., testing, analysis, and resulting loss models) that measure and assess the effectiveness of seismic retrofit to reduce the risk of damage and associated losses (repair costs) of wood-frame houses with cripple wall and sill anchorage deficiencies as well as retrofitted conditions that address those deficiencies. Tasks that support and inform the loss-modeling effort are: (1) collecting and summarizing existing information and results of previous research on the performance of wood-frame houses; (2) identifying construction features to characterize alternative variants of wood-frame houses; (3) characterizing earthquake hazard and ground motions at representative sites in California; (4) developing cyclic loading protocols and conducting laboratory tests of cripple wall panels, wood-frame wall subassemblies, and sill anchorages to measure and document their response (strength and stiffness) under cyclic loading; and (5) the computer modeling, simulations, and the development of loss models as informed by a workshop with claims adjustors. This report is a product of Working Group 4: Testing and focuses on the first phase of an experimental investigation to study the seismic performance of retrofitted and existing cripple walls with sill anchorage. Paralleled by a large-component test program conducted at the University of California [Cobeen et al. 2020], the present study involves the first of multiple phases of small-component tests conducted at the UC San Diego. Details representative of era-specific construction, specifically the most vulnerable pre-1960s construction, are of predominant focus in the present effort. Parameters examined are cripple wall height, finish materials, gravity load, boundary conditions, anchorage, and deterioration. This report addresses the first phase of testing, which consisted of six specimens. Phase 1 including quasi-static reversed cyclic lateral load testing of six 12-ft-long, 2-ft high cripple walls. All specimens in this phase were finished on their exterior with stucco over horizontal sheathing (referred to as a “wet” finish), a finish noted to be common of dwellings built in California before 1945. Parameters addressed in this first phase include: boundary conditions on the top, bottom, and corners of the walls, attachment of the sill to the foundation, and the retrofitted condition. Details of the test specimens, testing protocol, instrumentation; and measured as well as physical observations are summarized in this report. In addition, this report discusses the rationale and scope of subsequent small-component test phases. Companion reports present these test phases considering, amongst other variables, the impacts of dry finishes and cripple wall height (Phases 2–4). Results from these experiments are intended to provide an experimental basis to support numerical modeling used to develop loss models, which are intended to quantify the reduction of loss achieved by applying state-of-practice retrofit methods as identified in FEMA P-1100, Vulnerability-Base Seismic Assessment and Retrofit of One- and Two-Family Dwellings.
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L51599 The Significance of Local Hard Zones on Outside of Girth Welds. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), July 1989. http://dx.doi.org/10.55274/r0010097.

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In petrochemical and oil and gas production plant the presence of sour H2S containing environments poses problems with regard to material behavior. The corrosion reaction between H2S and steel produces atomic hydrogen, which enters the steel and may, for example, lead to hydrogen pressure cracking (HPC) if steel quality is such that inclusion levels promote the entrapment of hydrogen gas. Fortunately this problem may be readily controlled by attention to steel cleanliness. A potentially more serious problem relating to sour environments is sulphide stress cracking (SSC), when the presence of hydrogen may lead to stress corrosion cracking in a susceptible material. In carbon-manganese steels, susceptibility to SSC is associated with a hardened microstructure and control of the problem therefore requires limitations on material hardness. This is especially important in welded structures where the rapid cooling associated with welding may lead to a hardened heat affected zone (HAZ), together with significant residual welding stress. To determine to what extent a relaxation in external hardness could be possible, The Welding Institute proposed a program of work to study the influence of hardness and stress levels on the cracking propensity of GMA welds in pipeline steel. The project was to be carried out in two phases: in the first, the hardness limit for internal GMA bead on pipe welds (simulating weld root regions) was to be determined in a sour (NACE) solution; in Phase 2, external bead on pipe welds (simulating weld cap regions) would be assessed, again with the sour environment on the inside of the pipe. This report presents the results of both phases of the study. In order to study the influence of wall thickness on cracking behavior, seamless pipe materials to API-5L-X52 specification were obtained in 408 mm (16 in) diameter with nominal wall thickness of 9.5, 12.7, 19.0 and 25.4 mm (0.37, 0.5, 0.75 and 1.0 in). Chemical analysis results are given. The materials were supplied in accordance with NACE MR-01-75 hardness specifications (22 HRC max), although no additional requirements were specified. Pipe B, which was obtained from a different supplier to the remaining pipes, had significantly higher sulfur content. Some variations existed between parent material microstructures, although all may be considered typical of the grade of steel. This program seeks to determine the threshold hardness level for sour service of as-deposited (un re-heated) weldment regions in the capping pass of girth welds in pipeline steel. Assessment has been made by comparing the cracking behavior in the NACE TM-01-77 test environment of internal and external single pass welds produced with a range of conditions by the GMAW process.
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