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Artykuły w czasopismach na temat "Multiferric Nanocomposites"
Mahesh, Dabbugalla, i Swapan K. Mandal. "Multiferroicity in ZnO nanodumbbell/BiFeO3 nanoparticle heterostructures". International Journal of Modern Physics B 30, nr 12 (6.05.2016): 1650074. http://dx.doi.org/10.1142/s0217979216500740.
Pełny tekst źródłaSuastiyanti, Dwita, Bambang Soegijono i M. Hikam. "Magnetoelectric Coupling Phenomena Based on the Changes of Magnetic Properties in Multiferroic Nanocomposite BaTiO3-BaFe12O19". Advanced Materials Research 896 (luty 2014): 385–90. http://dx.doi.org/10.4028/www.scientific.net/amr.896.385.
Pełny tekst źródłaSharma, Priyanka, Anjali Jain i Ratnamala Chatterjee. "Enhanced magnetic performance in exchange-coupled CoFe2O4–LaFeO3 nanocomposites". Nanotechnology 33, nr 10 (17.12.2021): 105708. http://dx.doi.org/10.1088/1361-6528/ac3e31.
Pełny tekst źródłaKambale, Rahul C., Dae-Yong Jeong i Jungho Ryu. "Current Status of Magnetoelectric Composite Thin/Thick Films". Advances in Condensed Matter Physics 2012 (2012): 1–15. http://dx.doi.org/10.1155/2012/824643.
Pełny tekst źródłaNageena, Arsa, Alina Manzoor, Amir Muhammad Afzal, Muhammad Imran Arshad, Aamir Shahzad i Muhammad Kashif. "Investigation of Dielectric, Magnetic and Electrical Behavior of BFO/GNPs Nano-Composites Synthesized via Sol-Gel Method". Journal of Materials and Physical Sciences 3, nr 2 (31.12.2022): 59–70. http://dx.doi.org/10.52131/jmps.2022.0302.0027.
Pełny tekst źródłaDutta, Papia, S. K. Mandal i A. Nath. "Room Temperature Magnetoelectric Coupling, Electrical, and Optical Properties of BaFe2O4 – ZnO Nanocomposites". Integrated Ferroelectrics 201, nr 1 (2.09.2019): 192–200. http://dx.doi.org/10.1080/10584587.2019.1668703.
Pełny tekst źródłaRana, Dhiraj Kumar, Suresh Kumar Singh, Shovan Kumar Kundu, Subir Roy, S. Angappane i Soumen Basu. "Electrical and room temperature multiferroic properties of polyvinylidene fluoride nanocomposites doped with nickel ferrite nanoparticles". New Journal of Chemistry 43, nr 7 (2019): 3128–38. http://dx.doi.org/10.1039/c8nj04755c.
Pełny tekst źródłaJalouli, Alireza, i Shenqiang Ren. "Magnetoelectric interaction in molecular multiferroic nanocomposites". RSC Advances 12, nr 37 (2022): 24050–54. http://dx.doi.org/10.1039/d2ra04060c.
Pełny tekst źródłaRemya, K. P., R. Rajalakshmi i N. Ponpandian. "Development of BiFeO3/MnFe2O4 ferrite nanocomposites with enhanced magnetic and electrical properties". Nanoscale Advances 2, nr 7 (2020): 2968–76. http://dx.doi.org/10.1039/d0na00255k.
Pełny tekst źródłaSaravanamoorthy, Somasundaram, Muniyandi Muneeswaran, NambiVenkatesan Giridharan i Sivan Velmathi. "Solvent-free ring opening polymerization of ε-caprolactone and electrical properties of polycaprolactone blended BiFeO3 nanocomposites". RSC Advances 5, nr 54 (2015): 43897–905. http://dx.doi.org/10.1039/c5ra03983e.
Pełny tekst źródłaRozprawy doktorskie na temat "Multiferric Nanocomposites"
Prokhorenko, Sergei. "Multiscale modeling of multiferroic nanocomposites". Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2014. http://www.theses.fr/2014ECAP0045/document.
Pełny tekst źródłaDuring past decades, the search for new nanostructured multiferroic materials with optimized properties has lead to the development of a vast variety of theoretical models and simulation approaches. Spreading from first principles based models able to describe zero-temperature properties of artificial single crystal compounds to phenomenological approximations for composites with mesoscale morphology, these investigations have raised the fundamental question of how the geometry of the structure affects the properties of phase transitions exhibited by heterogeneous systems. However, despite significant progress, the answer to this question still lacks clarity and the bridge connecting models at different scales is not fully constructed. The current study is devoted to linking together models of multiferroic nanocomposite materials applicable at different scales. First, we present a methodological development of effective Hamiltonian approach commonly used to study structural phase transitions. The introduced modifications allow to extend this widely used method to predict finite-temperature properties of compositionally heterogeneous systems. The constructed model is then used to study properties of (BiFeO3)(BaTiO3) nanostructures and solid-solutions. Resorting to Monte-Carlo simulations, we show that our model provides results that are in-line with recent experimental observations and allows to theoretically predict properties of a wide range of systems with different composite geometries. The second part of the study consists inapplication of Landau theory of phase transitions to investigate the properties of ferroelectric-ferromagnetic multilayerswith epitaxial interfaces. Specifically, we theoretically describe the strain-mediated direct ME effect exhibited byfree-standing Pb(Zr0.5 Ti0.5 )O3 -FeGaB and BaTiO3 -FeGaB heterostructures. Finally, we show that the multilayer geometry of a ferroelectric-ferromagnetic nanocomposite opens the way for a drastic enhancement of the output charge signal
Aimon, Nicolas M. "Templated self-assembly of multiferroic nanocomposites". Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/89948.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (pages 133-150).
To respond to the growing demand for smart and connected devices, such as smartphones, tablet PCs arid other mobile hardware, while meeting the needs for increased power efficiency, miniaturization and reduced manufacturing costs, new material solutions need to be considered. These should address the shortcomings of incumbent semiconductor-based technologies which provide a limited number of functionalities, suffer from high power consumption and heat dissipation, and whose conventional planar processing is increasingly complex and resource-intensive. Potential replacement materials include complex oxides, which exhibit interesting physical phenomena such as superconductivity, colossal magnetoresistance and multiferroicity. New functionalities are especially found at interfaces between two oxides, including emergent electronic states like two-dimensional electron gases, enhanced ionic transport and magnetoelectric coupling, among many other. In this this thesis, we focus on self-assembled oxide nanocomposites, which elegantly organize into vertical nanostructures via spontaneous phase-separation, naturally forming numerous such heterointerfaces. These provide a rich playground for studying interfacial effects, which could be used in future devices, and the self-assembly promises cheap arid high throughput manufacturing providing it can be integrated into useful architectures. BiFeO₃-CoFe₂O₄ self-assembled nanocomposites, in particular, have been studied for the magnetoelectric coupling that takes place between the ferrimagnetic spinel phase, which forms discrete vertical pillars, arid the ferroelectric perovskite phase, which forms a matrix that surrounds the spinel pillars. Here, after an in-depth study of the mechanisms responsible for the formation of this self-assembled nanostructure, we develop a templating method enabling the precise control over the morphology of the film, resulting in useful structures for potential devices like magnetoelectric memories and logic devices. To study the structural, magnetic and electrical properties of our samples, a set of experimental and theoretical methods is developed, adapted to the unique requirements of these thin film nanostructures with iicron-scale ordering. Using finite element analysis and micromagnetic modeling, the effect of the strain-mediated magnetoelectic coupling on the magnetic switching of the CoFe₂O₄ nanopillars is predicted. Scanning Probe Microscopy is also used to characterize the local ferroelectric and magnetic behavior, and observe, for the first time in these templated composites, electrically-induced magnetic switching of the pillar magnetization. The tools and methods developed in this thesis could pave the way towards a wider use of templated self-assembly to leverage the promising properties of oxide heterointerfaces and enable their use in future devices with low manufacturing costs.
by Nicolas M. Airmon.
Ph. D.
Yang, Yaodong. "Barium Titanate-Based Magnetoelectric Nanocomposites". Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/38666.
Pełny tekst źródłaPh. D.
Basov, Sergey. "Nouvelles approches pour le design de composites multiferroïques nanostructurés de type (1-3)". Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0007/document.
Pełny tekst źródłaMultiferroic materials including magnetoelectric materials that combine magnetic and ferroelectric orders have attracted great attention due to a possible strain-mediated coupling leading to potential applications in memories, sensors, detectors, spintronic and microwave devices. The number of single-phase multiferroic materials operating at room temperature being limited, we are exploring artificially designed multiferroic nanostructures consisting of ferroelectric and ferrimagnetic oxides. Current work is focused on strain-mediated magnetoelectric effect, which allows to generate a spontaneous polarization or magnetization by an applied magnetic field (direct ME effect) and electric field (converse ME effect) respectively. ME effects can be observed at room temperature through interface and strain interaction in two-phase multiferroic nanocomposites. The combination of piezoelectric materials PbZr0.52Ti0.48O3 (PZT), Ba0.7Sr0.3TiO3 (BSTO), BaTiO3 (BTO) and magnetostrictive CoFe2O4 (CFO) materials have been intensively studied in multiferroic nanocomposites. The community has been able to demonstrate large magnetoelectric coupling at room temperature in epitaxial thin films, so called 2-2 connectivity system, but a key limitation in epitaxially grown thin films is a substrate imposed clamping effect limiting thin film’s strain. Designing innovative architectures is a challenge in the field of multiferroic nanocomposites. Our work is focused on vertically aligned multiferroic nanostructures, so called (1-3) connectivity nanocomposites, where one-dimensional ferrimagnetic CoFe2O4 nanostructures (1) are embedded into three-dimensional PZT, BTO and BSTO layers (3). New routes were considered to design three kinds of materials: i) vertically aligned CFO nanowire arrays surrounded by PZT nanotubes embedded into alumina membranes; ii) vertically aligned CFO nanopillar arrays embedded in thin BTO, BSTO and PZT layers supported on Si substrates; ii) 3-D interconnected CFO nanowire networks embedded in a thick PZT matrix. The objectives of the present work are to control the oxidation of metallic CoFe2 nanowires and nanopillars to control the morphology and density of CFO nanostructures, to control the resistivity and dielectric losses of the nanocomposites at the interface region, and to increase the magnetoelectric coupling of the multiferroic nanocomposites by increasing the interfacial surface area between the two ferroic phases.The first geometry we are developing is a deposition by sol-gel dip impregnation of PZT nanotube arrays into self-supported porous alumina membranes, followed by an electrodeposition and thermal oxidation of CoFe2 nanowire arrays within PZT nanotubes. The second architecture we are focusing on is a deposition by RF magnetron sputtering of BSTO and BTO layers and by sol-gel dip coating of PZT layers onto vertically aligned CoFe2 and CoFe2O4 nanopillar arrays supported on Si substrates. The CoFe2 oxidation is conducted in-situ during the BSTO and BTO sputter deposition. Free-standing CoFe2 nanopillar arrays are obtained by electrodeposition into anodized alumina nanoporous structures and chemical dissolution of alumina templates. The last geometry is prepared using a combination of electrodeposition into self-supported porous polymer membranes and sol-gel processes. The PZT-CFO nanostructures are prepared using impregnation of thick PZT layers into self-supported CoFe2 3D nanowire networks on Si substrates by sol-gel method and their simultaneous oxidation during PZT layers crystallization. Specific attention was focused on interfaces through microstructural and morphological evaluations of nanocomposites using XRD, HRSEM, TEM and EDS characterizations. The performances of the nanocomposites were evaluated using magnetic, dielectric, ferroelectric and ME measurements, an alternating gradient magnetometer, impedance analyser, PFM and the ME susceptometer operated inside PPMS were utilized, respectively
Kumar, A. "Synthesis and Characterization of Multiferroic Composite (Barium Titanate-Nickel Ferrite)by Solid State Route". Thesis, 2010. http://ethesis.nitrkl.ac.in/1714/3/thesis1.pdf.
Pełny tekst źródłaAmrillah, Tahta, i 安泰達. "Multiferroic Properties of BiFeO3-CoFe2O4 Epitaxial Nanocomposite Thin Film". Thesis, 2014. http://ndltd.ncl.edu.tw/handle/22604706933633806236.
Pełny tekst źródła國立交通大學
電子物理系所
102
BFO-CFO vertically align nanocomposite (VAN) was successfully made by utilizing the different wetting conditions from BFO and CFO film when growing on STO substrate at the same time in the PLD system. From the XRD result, there was strain effect from STO substrate to BFO and CFO film. Especially for BFO-CFO/STO VAN, CFO pillar relaxed the strain of BFO film, and shifted magnetic phase transitions on BFO/STO thin film to around 30 K and 160 K as compared to that of BFO powders where the transitions occured around 55 K and 200 K, respectively. From M-T and C-T measurements on BFO/CFO/STO bilayer and BFO-CFO/STO VAN, antiferromagnetic-ferromagnetic coupling (BFO-CFO) is stronger than antiferromagnetic-ferroelectric coupling (BFO). making the magnetization and capacitance anomalies unobservable in those systems. Furthermore, the C-T beharviors of BFO/STO and BFO/CFO/STO are in general similar, but different in subtle details, which presumably originates from the quenching of spin reorientation in BFO due to ferromagnetic coupling from CFO. The situation is even more complicated in the CFO pillar embedded in BFO matrix sample. Finally, from R-T measurement, the high-density BFO-CFO/STO VAN film showed an apparent insulator-metal transition around 30 K, which is similar to that observed in BFO film under strong external magnetic fields which done by another reseach before. The result suggests that when the pillar density is large enough it may generate strong enough local magnetic field to modify the ferroelectric domain structures in BFO matrix. Further investigations are certainly in order to delineate the interisting emergent phenomena observed in the present study.
Amrillah, Tahta, i 安泰達. "Interplay of magnetic, electric and elastic couplings in multiferroic nanocomposite thin film". Thesis, 2018. http://ndltd.ncl.edu.tw/handle/k6984b.
Pełny tekst źródła國立交通大學
電子物理系所
107
Magnetic and multiferroic nanocomposites with two distinct phases have been a topic of intense research for their profound potential in technological applications. In addition to growing high-quality phase-separated heteroepitaxial nanocomposites, the strain engineering, which is conducive to the tunability of the magnetic and electric properties, is widely employed to explore emergent functionalities in these materials. In the present study, we investigated the magnetostructural and magnetoelectric coupling between multiferroic (anti-ferromagnetic and ferroelectric) BiFeO3 (BFO) and ferrimagnetic (magnetostrictive) CoFe2O4 (CFO) nanocomposites. The nanocomposites were prepared in a self-assembled fashion by pulsed laser deposition on rigid SrTiO3 (STO) and LaAlO3 (LAO) substrates to result in a microstructure with vertically aligned heteroepitaxy of the constituent phases. The BFO matrix exhibits rhombohedral (R) structure on STO substrate and tetragonal (T) structure on LAO substrate, while the CFO appears as nanopillars embedded in the BFO matrix in both cases. Moreover, in the T_ BFO-CFO/LAO system, the magnetic properties as well as magnetoelectric can be tuned by magneto-structural coupling. In contrast, one of the major obstacles encountered by this kind of approach is the clamping effect arising from the rigid substrate. To this respect, growing such heterostructures via the van der Waal (vdW) epitaxial growth on mica substrate is a natural alternative for circumventing this problem. The temperature and magnetic field dependent magnetization studies of these nanocomposites evidently highlight the enhanced magnetoelectric coupling of BFO-CFO grown on mica. Therefore, this study demonstrates a platform for fabricating highly flexible functional ME sensors, which are robust against extreme conditions (thermal, mechanical and chemical) with optimized performance.
Części książek na temat "Multiferric Nanocomposites"
Agrawal, Arpana, i Tanveer Ahmad Dar. "Spectroscopic Techniques for Multiferroic Materials". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 629–57. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90948-2_20.
Pełny tekst źródłaAgrawal, Arpana, i Tanveer Ahmad Dar. "Spectroscopic Techniques for Multiferroic Materials". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 1–29. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-34007-0_20-1.
Pełny tekst źródłaWang, Yang, i George J. Weng. "Magnetoelectric Coupling and Overall Properties of a Class of Multiferroic Composites". W Advances in Nanocomposites, 189–233. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31662-8_8.
Pełny tekst źródłaHannachi, Essia, i Yassine Slimani. "Advanced Progress in Magnetoelectric Multiferroic Composites". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 351–85. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90948-2_52.
Pełny tekst źródłaHannachi, Essia, i Yassine Slimani. "Advanced Progress in Magnetoelectric Multiferroic Composites". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 1–35. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-34007-0_52-1.
Pełny tekst źródłaSingh, Ayekpam Kiranjit, T. H. David Singh i Ibetombi Soibam. "Synthesis and Characterization of LFO–BFO Multiferroic Nanocomposites". W Nanostructured Smart Materials, 193–202. First edition.: Apple Academic Press, 2021. http://dx.doi.org/10.1201/9781003130468-13.
Pełny tekst źródłaNavadeepthy, D., G. Srividhya i N. Ponpandian. "Synthesis of Magnetoelectric Multiferroics and Its Composites". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 203–32. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90948-2_10.
Pełny tekst źródłaNavadeepthy, D., G. Srividhya i N. Ponpandian. "Synthesis of Magnetoelectric Multiferroics and Its Composites". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 1–30. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-34007-0_10-1.
Pełny tekst źródłaAgrawal, Arpana. "Vacuum-Based Deposition Techniques to Synthesize Magnetoelectric Multiferroic Materials". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 319–50. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90948-2_13.
Pełny tekst źródłaAgrawal, Arpana. "Vacuum-Based Deposition Techniques to Synthesize Magnetoelectric Multiferroic Materials". W Handbook of Magnetic Hybrid Nanoalloys and their Nanocomposites, 1–32. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-34007-0_13-1.
Pełny tekst źródłaStreszczenia konferencji na temat "Multiferric Nanocomposites"
Piccone, B. E., J. E. Blendell i R. E. Garcia. "Response surface measurement for BiFeO3-CoFe2O4 multiferroic nanocomposite". W 2008 17th IEEE International Symposium on the Applications of Ferroelectrics (ISAF). IEEE, 2008. http://dx.doi.org/10.1109/isaf.2008.4693782.
Pełny tekst źródłaPrabhakaran, T., i J. Hemalatha. "Highly flexible poly (vinyldine fluoride)/bismuth iron oxide multiferroic polymer nanocomposites". W SOLID STATE PHYSICS: Proceedings of the 56th DAE Solid State Physics Symposium 2011. AIP, 2012. http://dx.doi.org/10.1063/1.4710494.
Pełny tekst źródłaMandal, P. R., T. K. Nath, P. K. Bajpai, K. S. Ojha i K. N. Singh. "Investigation of Magnetic and Electrical Properties of Multiferroic CZFO-PZT Nanocomposites". W XVI NATIONAL SEMINAR ON FERROELECTRICS AND DIELECTRICS (NSFD-XVI). AIP, 2011. http://dx.doi.org/10.1063/1.3644425.
Pełny tekst źródłaChakraborty, Sarit, S. K. Mandal i B. Saha. "Magnetoelectric coupling and magnetically tunable transport properties of 0.2Zn0.2Co0.8Fe2O4-0.8PbZr0.58Ti0.42O3 multiferroic nanocomposites". W DAE SOLID STATE PHYSICS SYMPOSIUM 2018. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5112900.
Pełny tekst źródłaAmrillah, Tahta, i Jen-Yih Juang. "Magnetic saturation enhancement in the vertically aligned multiferroic nanocomposite thin film". W THE 2ND INTERNATIONAL CONFERENCE ON PHYSICAL INSTRUMENTATION AND ADVANCED MATERIALS 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0034130.
Pełny tekst źródłaAmrillah, Tahta, i Jen-Yih Juang. "Fashioning the architectures of the self-assembled multiferroic nanocomposite thin film". W THE 2ND INTERNATIONAL CONFERENCE ON PHYSICAL INSTRUMENTATION AND ADVANCED MATERIALS 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0034134.
Pełny tekst źródłaKomalavalli, P., i I. B. Shameem Banu. "Investigation of multiferroic properties in nickel ferrite -barium titanate nanocomposites at room temperature". W 2018 International Conference on Recent Trends in Electrical, Control and Communication (RTECC). IEEE, 2018. http://dx.doi.org/10.1109/rtecc.2018.8625646.
Pełny tekst źródłaSingh, Swati, S. K. Mandal i P. Dey. "Magnetoelectric coupling and dielectric study of xNiFe2O4 – (1-x)ErMnO3 lead free multiferroic nanocomposites". W DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980255.
Pełny tekst źródłaSong, Chunrui, Nikita Liedienov, Aleksey Pashchenko, Igor Fesych, Georgiy Levchenko i Wei Xu. "Structure, Morphology, and Magnetic Properties of New Multiferroic Nanocomposite Obtained by High-Pressure Torsion". W 2022 IEEE 41st International Conference on Electronics and Nanotechnology (ELNANO). IEEE, 2022. http://dx.doi.org/10.1109/elnano54667.2022.9927051.
Pełny tekst źródłaDutta, Papia, S. K. Mandal, P. Dey i A. Nath. "Frequency and temperature dependence of dielectric and ac electrical properties of NiFe2O4–ZnO multiferroic nanocomposite". W DAE SOLID STATE PHYSICS SYMPOSIUM 2017. Author(s), 2018. http://dx.doi.org/10.1063/1.5028664.
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