Relevant bibliographies by topics / Magneto-dielectric Properties

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Magneto-dielectric Properties'

Author: Grafiati
Published: 7 September 2023

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Journal articles on the topic "Magneto-dielectric Properties"

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Yang, Ta-I., Rene N. C. Brown, Leo C. Kempel, and Peter Kofinas. "Magneto-dielectric properties of polymer– nanocomposites." Journal of Magnetism and Magnetic Materials 320, no. 21 (November 2008): 2714–20. http://dx.doi.org/10.1016/j.jmmm.2008.06.008.

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Sharma, Indu, Shruti Mahajan, Vishal Arora, Mehak Arora, Nitin Mahajan, Kanika Aggarwal, and Anupinder Singh. "Effect of Magnetic field on dielectric properties in PLT/BNCFO composites." Emerging Materials Research 12, no. 2 (June 1, 2023): 1–11. http://dx.doi.org/10.1680/jemmr.22.00183.

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The main goal of this study is to analyze the magnetic, dielectric, and magneto-dielectric characteristics of Pb1− x La x Ti1− x O 3 - (Ba1–3 x Nd2 x )4Co2Fe36O60 (where x = 0.25) composite material at various temperatures T1-T3 (i.e 1100°C ,1200°C, 1300°C respectively). The X-ray diffraction investigation has been introduced in order to pinpoint the creation of the U-type hexaferrite phase. SEM micrographs reveal that sample sintered at T2 reached the maximum value of grain size and the largest experimental density value of 6.14 g/cm3 due to the composite material's intensified grain growth. The magnetic investigations further indicate that the sample T2 achieved the highest remnant magnetization, measuring 1.550 emu/g, revealing the accuracy of the sintering temperature. The magneto-dielectric investigations demonstrate the presence of multiferroicity in all samples, and came to the conclusion that sample T2 exhibits the highest magneto-dielectric response of 41.99 at 1.2 Tesla and a magneto-dielectric coefficient (γ) of around 0.7609 g2/emu2. Numerous metrics, including nyquist plots, impedance, electrical modulus, dielectric constant, and conductivity, were carefully examined in order to determine the electrical properties of the proposed sample. It was found that sample T2 produced the enhanced results and had the right temperature for the substance to develop.
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Halder, Monalisa, Jinia Datta, Raja Mallick, Ranjita Sinha, Khusi Smriti, Chandan Kumar Raul, Shubhadip Atta, and Ajit Kumar Meikap. "Observation of Electrical, Dielectric and Magneto-dielectric Properties of Terbium Doped Bismuth Ferrite Nanoparticles above Room Temperature." International Journal of Innovative Research in Physics 3, no. 4 (July 4, 2022): 20–24. http://dx.doi.org/10.15864/ijiip.3403.

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The effect of rare earth transition metal (Tb) ions doping in A site of bismuth ferrite (BFO) nanoparticles are studied from electrical, dielectric and magneto-dielectric aspects. A detailed study on dielectric properties of the Tb doped bismuth ferrite nanoparticles is done over a wide temperature range in a frequency range of 20 Hz - 2 MHz. Observation on magneto-dielectric response of the sample is done at room temperature upon applying external transverse magnetic field.
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Singh, Gulab, H. P. Bhasker, R. P. Yadav, Aditya Kumar, Bushra Khan, Ashok Kumar, and Manoj K. Singh. "Magneto-dielectric and multiferroic properties in Bi0.95Yb0.05Fe0.95Co0.05O3." Physica Scripta 94, no. 6 (April 2, 2019): 065802. http://dx.doi.org/10.1088/1402-4896/ab03a5.

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Zuo, Xuzhong, Maolian Zhang, Enjie He, Peng Zhang, Jie Yang, Xuebin Zhu, and Jianming Dai. "Magnetic, dielectric, and magneto-dielectric properties of Aurivillius Bi7Fe2CrTi3O21 ceramic." Ceramics International 44, no. 5 (April 2018): 5319–26. http://dx.doi.org/10.1016/j.ceramint.2017.12.150.

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Bhoi, Krishnamayee, Dhiren K. Pradhan, K. Chandrakanta, Narendra Babu Simhachalam, A. K. Singh, P. N. Vishwakarma, A. Kumar, Philip D. Rack, and Dillip K. Pradhan. "Investigations of room temperature multiferroic and magneto-electric properties of (1-Φ) PZTFT-Φ CZFMO particulate composites." Journal of Applied Physics 133, no. 2 (January 14, 2023): 024101. http://dx.doi.org/10.1063/5.0120665.

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Multiferroic composites consisting of a single-phase multiferroic [0.6(PbZr0.53Ti0.47O3)-0.4(PbFe0.5Ta0.5)O3] as a matrix and a magnetostrictive phase (Co0.6Zn0.4Fe1.7Mn0.3O4) dispersed in the matrix are fabricated via hybrid synthesis technique. The structure and surface morphology studies using x-ray diffraction and field emission scanning electron microscopy techniques indicate the formation of 3-0 type particulate composites. Coexistence of soft-magnetic behavior and ferroelectric characteristics are confirmed for composites from magnetization vs magnetic field (M–H) and polarization vs electric field (P–E) measurements, respectively. Magneto-dielectric (MD) measurement shows significant changes in the dielectric properties with the application of a magnetic field, indicating the existence of strong MD behavior. The biquadratic nature of magneto-electric (ME) coupling is described by the Landau free energy equation arising from the strain transfer at the interfaces between the constituent phases. The direct magneto-electric voltage coefficient measurement also confirms very strong coupling between ferroelectricity and magnetism and supports the strain-mediated magneto-electric effect in composites. The Φ = 0.3 composite exhibits the maximum ME coefficient of 20.72 mV/cm Oe with MS = 24.62 emu/g, HC = 59.66 Oe, and piezoelectric coefficient value d33 = 19 pC/N. The strong magneto-electric effect along with low dielectric loss at room temperature in these composites suggests their suitability for multifunctional magneto-electric device applications such as magnetic sensors, etc.
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Chan, Kheng Chuan, Xiao Tian Liew, Ling Bing Kong, Zheng Wen Li, and Guo Qing Lin. "Ni1−xCoxFe1.98O4Ferrite Ceramics with Promising Magneto-Dielectric Properties." Journal of the American Ceramic Society 91, no. 12 (December 2008): 3937–42. http://dx.doi.org/10.1111/j.1551-2916.2008.02777.x.

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Akhtar, Abu Jahid, Abhisek Gupta, and Shyamal K. Saha. "Trap induced tunable unusual dielectric properties in transition metal doped reduced graphene oxide." RSC Advances 5, no. 13 (2015): 9594–99. http://dx.doi.org/10.1039/c4ra13387k.

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Hasan, Zaid A. "Effect Magneto – Optic on Ferromagnetic Nanoparticle Polymer Composite Films." NeuroQuantology 19, no. 6 (July 14, 2021): 25–29. http://dx.doi.org/10.14704/nq.2021.19.6.nq21063.

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Optical properties of a composite material made of ferromagnetic matel nanoparticles embedded in dielectric host are studied. A nonlinear dependence of the optical rotation on magnetic field resulting from the reorientation of nanoparticles is demonstrated. The data of optical properties finding were applied to the magneto – optic experimental data of nickel ferrite (NiFe2 O4) ferromagnetic nanoparticles embedded in polymer (PMMA) host. The magneto – optic is applied at wavelength (540 nm) and magnetic field intensity (450 m T), from result we found the affect magneto – optical on samples.
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Rather, Gowher Hameed, Mehraj ud Din Rather, Nazima Nazir, Afreen Ikram, Mohd Ikram, and Basharat Want. "Particulate multiferroic Ba0.99Tb0.02Ti0.99O3 – CoFe1.8Mn0.2O4 composites: Improved dielectric, ferroelectric and magneto-dielectric properties." Journal of Alloys and Compounds 887 (December 2021): 161446. http://dx.doi.org/10.1016/j.jallcom.2021.161446.

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Dissertations / Theses on the topic "Magneto-dielectric Properties"

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Golt, Michael C. "Magnetic and dielectric properties of magneto-dielectric materials consisting of oriented, iron flake filler within a thermoplastic host." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 150 p, 2008. http://proquest.umi.com/pqdweb?did=1597633721&sid=13&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Kim, Sunho Ph D. Massachusetts Institute of Technology. "Defect and electrical properties of high-K̳ dielectric Gd₂O₃ for magneto-ionic and memristive memory devices." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129007.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2020
Cataloged from student-submitted PDF of thesis. The "K̳̳" in title on title page appeared as subscript "K."
Includes bibliographical references (pages 127-134).
While high-[subscript K] dielectrics utilized in CMOS technology are noted for their highly insulating characteristics, they have demonstrated surprising electrolytic behavior as key components in a variety of thin film memory devices, including those based on magneto-ionic and memristive behavior. In this work, we focus on the rare earth sesquioxide, Gd₂O₃, a well-known high-κ dielectric that has exhibited a variety of electrolytic properties during the development and operation of the first magneto-ionic devices developed at MIT. Specifically, we focused our investigation on the defect chemistry and electrical properties of Gd₂O₃ in order to better understand the relationship between the structure, chemistry, processing conditions, and operating environment and the material's low-temperature ionic and electronic transport properties and the means for their optimization vis-à-vis memory device operation.
Phase (monoclinic and cubic) and dopant controlled (Ca, Ce, Sr, Zr) polycrystalline pellets of 8 different Gd₂O₃ systems were prepared to investigate various defect regimes in consideration of this material's polymorphism. We considered intrinsic anion-Frenkel disorder and electronic disorder, equilibration with the gas phase, water incorporation, and dopant incorporation in the defect modeling, taking into account the roles of crystallographic structure as well as oxygen ion defect and protonic generation. The primary method utilized to characterize the defect chemistry and transport properties of Gd₂O₃ was the analysis of the dopant, p0₂ and temperature dependencies of the electrical conductivity extracted from complex impedance spectra obtained over the p0₂ range of 1 to 10⁻¹⁵ atm, for 5 isotherms between 700 and 900 °C with 50 °C steps and for a range of acceptor and donor dopants.
Based on the p0₂ dependency of conductivities, in light of the defect modeling, the majority point defects in each system were identified. Electronic and ionic migration energies and thermodynamic parameters were extracted via the defect modeling and temperature dependencies of conductivities. In nearly all cases, the predominant charge carrier under oxidizing conditions at elevated temperatures was identified as the p-type electron-hole, largely due to oxygen excess non-stoichiometry in these systems. With decreasing p0₂, transport tended to switch from semiconducting towards ionic. Depending on phase, dopant type & concentration, temperature, and relative humidity, the predominant ionic conductivity was found to be via oxygen interstitials, oxygen vacancies, and/or protons, the latter given by the propensity of Gd₂O₃ to take up water in solid solution from the environment by the formation of OH[superscript .]species.
Unexpectedly, the ionic mobilities of defects in the denser and less symmetric monoclinic system exhibited higher ionic mobilities than the more open bixbyite structure. The hole electronic species in the investigated systems were found to migrate via the small polaron hopping mechanism with rather large hopping energies. This resulted in an inversion of hole and proton mobility magnitudes at reduced temperatures in the monoclinic system. Extrapolation of ionic and electronic defect conductivities to near room temperature, based on our derived defect and transport models, was not able to explain, on its own, the observed electrolytic properties of the Gd₂O₃ thin films utilized in magneto-ionic devices.
In an attempt to connect the transport properties obtained under equilibrium conditions at elevated temperatures with the behavior of Gd₂O₃ near room temperature, selected thin films Gd₂O₃, prepared by pulsed laser deposition or sputtering, were investigated by complex impedance spectroscopy over the temperature range of 20 - 170°C. While films prepared under dry conditions were indeed found to be highly electrically insulating, films exposed to water vapor exhibited dramatically higher proton conductivities (more than ~10⁸ x) than values extrapolated from high temperature. Parallel thermogravimetric analysis on Gd₂O₃ powder specimens, as a function of temperature, under high humidity conditions, demonstrated a correlation between uptake/loss of incorporated water and conductivity upon cooling and heating, respectively.
We can therefore conclude that the large disconnect between the electrical and electrolytic properties observed between high-κ dielectrics used in CMOS devices such as Gd₂O₃, and their much more highly conductive counterparts used in thin film memory devices, depends strategically on the thin film processing conditions. High-κ dielectrics are fabricated in carefully controlled environments with low relative humidity, while research on, for example, Gd₂O₃ - based magneto-ionic memory devices, is performed under ambient laboratory conditions, where significant water uptake becomes possible at surfaces and grain boundaries. The results and insights obtained in this study can be expected to be applied in achieving further progress in the understanding and optimization of magneto-ionic, memristive, and other devices that rely on proton gating.
by Sunho Kim.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Materials Science and Engineering
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Rocha, HÃlio Henrique Barbosa. "Estudo das propriedades estruturais e de transporte dos compÃsitos magneto-dielÃtricos [(Fe5/8Cr3/8)2O3]x-[(Fe1/4Cu3/8Ti3/8)2O3]100âx." Universidade Federal do CearÃ, 2006. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7065.

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O processamento em escala laboratorial de soluÃÃes sÃlidas, procedentes dos sistemas Fe2O3/CuO/TiO2 e Fe2O3/Cr2O3, dos seus compÃsitos, e o estudo das propriedades estruturais e de transporte estabelecem o tema principal do trabalho. As granadas ferrimagnÃticas despertam manifesto interesse quanto ao seu emprego em dispositivos aplicÃveis a sistemas de telecomunicaÃÃo operantes nas microondas, sobretudo, em funÃÃo das propriedades dielÃtricas e magnÃticas adequadas. Devido à semelhanÃa estequiomÃtrica, e com a finalidade de se obter materiais com propriedades similares, foram elaborados dois meios magneto-dielÃtricos: (Fe1/4Cu3/8Ti3/8)2O3, um titanato de cobre e ferro, e (Fe5/8Cr3/8)2O3, um Ãxido especÃfico de ferro e cromo. Estas soluÃÃes sÃlidas substitucionais foram sintetizadas por reaÃÃo de estado sÃlido. O processamento avanÃou envolvendo tratamentos mecÃnico e tÃrmico. Foram preparados espÃcimes pulverulentos e com configuraÃÃo definida. A estrutura cristalina dos espÃcimes foi identificada por difraÃÃo de raios-X. Os dados de difraÃÃo de raios-X por policristais foram refinados pelo emprego do mÃtodo de Rietveld. Fez-se uso da espectroscopia MÃssbauer para realizar a sondagem do ferro presente na estrutura cristalina. A morfologia dos espÃcimes, dispostos como peÃas cilÃndricas rÃgidas, foi explorada por Microscopia EletrÃnica de Varredura, assistida por microssonda EDX, para anÃlise quÃmica elementar. Por espectroscopia dielÃtrica foram investigadas as propriedades dielÃtricas permissividade dielÃtrica relativa e fator de perda dielÃtrico e a propriedade de transporte condutividade elÃtrica. As propriedades dielÃtricas e de transporte foram analisadas em funÃÃo da freqÃÃncia, a temperatura ambiente, numa faixa compreendida entre 100 Hz e 40 MHz. Dos dados por difraÃÃo de raios-X, alÃm da identificaÃÃo dos materiais avaliados, foram extraÃdas, apÃs refinamento estrutural, informaÃÃes cristalogrÃficas, no caso das soluÃÃes sÃlidas individuais, e sua quantificaÃÃo, no caso dos compÃsitos por elas constituÃdos. Pela espectroscopia MÃssbauer foram confirmados o estado de oxidaÃÃo do ferro presente nos materiais analisados, a geometria do sÃtio cristalino no qual està presente, a natureza magnÃtica das amostras, e seu provÃvel ordenamento, alÃm da quantificaÃÃo realizada em funÃÃo da quantidade de ferro presente nos compÃsitos. A morfologia dos materiais Ã, em geral, caracterizada pela diversidade de formas e tamanhos dos grÃos, bem como sua disposiÃÃo no artefato explorado. A anÃlise quÃmica elementar forneceu resultados quantitativos acerca dos elementos presentes nos meios investigados. Pela resposta observada na faixa de freqÃÃncia percorrida, ficou evidenciada uma regiÃo de dispersÃo, caracterÃstica do processo de polarizaÃÃo dipolar. Os resultados das propriedades dielÃtricas para as fases sintetizadas mostraram-se parcialmente antagÃnicos: a fase IB100 apresentou a maior permissividade dielÃtrica relativa, porÃm, maior fator de perda dielÃtrica em relaÃÃo à fase IC100, que por sua vez apresentou a menor permissividade dielÃtrica relativa entre todos os materiais investigados. Para os compÃsitos, formados pela mistura aleatÃria de quantidades especÃficas das duas fases sintetizadas, foi evidenciado um comportamento nÃo linear, de forma que estes nÃo representam apenas o reflexo das respostas observadas para as fases individualmente. A fase IB100, em virtude da constante dielÃtrica observada, à o material com maior potencial para aplicaÃÃes em altas freqÃÃncias.
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Pachari, Sreenivasulu. "Structure, Microstructure and Magneto-Dielectric Properties of Barium Titanate-Ferrite Based Composites." Thesis, 2015. http://ethesis.nitrkl.ac.in/6877/1/613CR3001_SPACHARI_2015.pdf.

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Magneto-dielectric composites materials are those which perform both magnetic and dielectric properties in one single component. Due to the coupling between the ferroelectric and ferromagnetic, the magnetization can be controlled by an applied electric field, while the electric polarization can be controlled by applying a magnetic field. The phase connectivity and phase morphology plays an important role in the modifying the magneto-dielectric properties of the composites. Synthesis method is great tool to explore the microstructure and magneto-dielectric properties of the composites. In present work three synthesis methods were adopted to prepare magneto-dielectric composites. They are combustion derived solid-state mixing, combustion derived in-situ synthesis method. BaTiO3 selected for the ferroelectric phase which is having moderate properties of permittivity, loss, piezoelectric constant. CoFe2O4, ZnFe2O4 and Co0.5Zn0.5Fe2O4 are selected for ferrite phase, which are hard, soft and non-magnetic in nature respectively. Ferrite weight percentage was used in magneto-dielectric composites at 20%, 30%, 40%. Structure, microstructure and magneto-dielectric properties of composites were studied and analyzed. Dielectric, magnetic and magneto-dielctric properties of composites varied significantly by varying synthesis method. Traces hexagonal BaTiO3 has been detected when tetragonal BaTiO3 sintered along with ferrites. Plate like morphology of BaTiO3 was evolved along with nearly spherical morphology of BaTiO3 in solid-state derived composites, but no evidence of plate like BaTiO3 in in-situ composites. Cobalt ferrite based composite shows negative magneto-capacitance response in both solid state and in-situ synthesis, which not in other ferrite systems of solid-state and in-situ derived composites. Along with the solid-state and in-situ synthesis methods, ex-situ synthesis method was also adopted to explore in present magneto dielectric composites. Typical 30 wt% ferrite (CoFe2O4, ZnFe2O4 and Co0.5Zn0.5Fe2O4) composites were made in this method. Microstructural study shows large no of plate like BaTiO3 exists in ferrite@BT composites than BT@ferrite composites. Cobalt and zinc ferrite based ex-situ composites show both positive and negative magneto capacitances in 7BT@3(CF/ZF) and 3(CF/ZF)@7BT composites respectively. Cobalt zinc ferrite based ex-situ composite show the positive magneto-capacitance in both 7BT@3CZF and 3CZF@7BT. Magneto-capacitance responses are dependent on both magnetostriction and magnetoresistance. Magneto-capacitance values of about -1.48%, -1.08%, 19.9% and -2.1% were observed in 7BT$3CZF, 7BT#3CZF, 7BT@3CZF and 3CZF@7BT composites respectively. Similarly 9.91%, 19.76% and 19.9% were observe in 7BT@3CF, 7BT@3ZF and 7BT@3CZF composites respectively.
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Book chapters on the topic "Magneto-dielectric Properties"

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Yokota, Takeshi, Takaaki Kuribayashi, Takeshi Shundo, Keita Hattori, Yasutoshi Sakakibara, and Manabu Gomi. "Magnetic and Dielectric Properties of a Metal/ Cr2O3/Cr2O3-x/Cr2O3/Semiconductor Capacitor Using Magneto-Electric Materials." In Electroceramics in Japan X, 221–24. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-449-9.221.

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"Electrical Properties of Magneto-Dielectric Films." In Magnetics, Dielectrics, and Wave Propagation with MATLAB Codes, 247–88. CRC Press, 2010. http://dx.doi.org/10.1201/b17374-11.

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Kumar, H. "Effect of Substitution on the Dielectric and Magnetic Properties of BaFe12O19." In Materials Research Foundations, 66–92. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902318-3.

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Hexaferrites are composed of irons and many other divalent metal ions in various atomic ratios. They are classified as M, W, X, Y, Z, and U type according to the crystalline structure. They are also used as ferromagnetic compounds. These materials have been utilized as the permanent magnets, magnetic recording media and microwave absorbers due to their superior properties. These materials also have wide application in ferrofluids, sensors, loudspeakers, electric power generation, rotors in small direct current (DC) motors, automotive electronics, ferrite cores, fabrication of inductors, micro electro mechanical systems (MEMS), capacitors, transistors, microwave, and in magneto static and electromagnetic devices. BaFe12O19 has gain focus in recent years due to its large coercivity, high magneto crystalline anisotropy, relatively large saturation magnetization, electrical resistivity, low cost, and ability to resist corrosion. The Present chapter will focus on the effect of substitution on the dielectric and magnetic properties BaFe12O19. Morphology and properties of barium hexaferrites, effect of Co-Ti substitution on magnetic properties of nanocrystalline BaFe12O19 and effect of rare-earth materials substitution on the micro structural and magnetic properties of BaFe12O19 are covered.
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Conference papers on the topic "Magneto-dielectric Properties"

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Bhoi, Krishnamayee, Md F. Abdullah, A. K. Singh, P. N. Vishwakarma, and Dillip K. Pradhan. "Room temperature magneto-dielectric properties of PFN-CZFMO composite." In DAE SOLID STATE PHYSICS SYMPOSIUM 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0017473.

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Arya, Ekta, Ashish Agarwal, Rakesh Dhar, Anand Kumari, and Vibha Meenal. "Structural, dielectric and magnetic properties of BaFe12O19-Na0.5Bi0.5TiO3 magneto-electric composites." In DAE SOLID STATE PHYSICS SYMPOSIUM 2018. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5113320.

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Wu, Xu, Zongliang Zheng, and Quanyuan Feng. "Investigations on the Microwave-Absorbing Properties of NiZnCo Magneto-Dielectric Ferrites." In 2019 International Applied Computational Electromagnetics Society Symposium - China (ACES). IEEE, 2019. http://dx.doi.org/10.23919/aces48530.2019.9060605.

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Geryak, R. D., and J. W. Schultz. "Extraction of Magneto-Dielectric Properties from Metal-Backed Free-Space Reflectivity." In 2019 Antenna Measurement Techniques Association Symposium (AMTA). IEEE, 2019. http://dx.doi.org/10.23919/amtap.2019.8906370.

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Breinbjerg, O. "Properties of Floquet-Bloch space harmonics in 1D periodic magneto-dielectric structures." In 2012 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2012. http://dx.doi.org/10.1109/iceaa.2012.6328799.

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Robinson, C. J., R. N. Payne, and A. E. Bell. "Amorphous Carbon Dielectric Coatings for Magneto-Optic Recording Media." In Optical Data Storage. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/ods.1987.thc4.

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Dielectric coatings play an important role in the overall design of active layers for magneto-optic recording. When coated to the thickness required to establish an antireflection condition, an enhancement of the shot noise limited carrier to noise ratio is possible, and significant reduction in the rate of oxidation of the Rare Earth/ Transition Metal (RE-TM) layer is achieved by sandwiching this layer between adjacent layers of certain dielectrics. Even though many dielectrics offer excellent properties in terms of low permeability to oxygen and water vapor, in some cases (for example SiO2) degradation of the RE-TM layer can still proceed via oxidation of the rare earth element, occurring at the RE-TM/dielectric interface(1). In this respect, amorphous C:H coatings would seem to have an advantage advantage, and in this paper we describe a study of the optical properties, surface passivation characteristics and effect on dynamic disk recording performance of amorphous C:H films deposited into active layer structures with TbFe and TbFeCo alloys. The amorphous C:H films were produced by RF plasma deposition from CH4 in a conventional diode reaction chamber. Relatively high deposition rates of 90Å/min are readily achieved. The physical structure and properties of a-C:H films are widely reported, but in particular they are known for their high hardness, low electrical conductivity (σ=10-9 ohm-1 cm-1), high refractive index (n=2.1) and are often termed "diamond like carbon" in the literature. Such films are also optically transparent in the IR, chemically stable, inert, homogeneous (i.e. low pin hole density) and have found wide application elsewhere in the field of optical coatings in the IR.
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Jain, Prince, Shonak Bansal, Naveen Kumar, Sanjeev Kumar, Neena Gupta, and Arun K. Singh. "Magneto-dielectric properties of composite ferrite based substrate for UHF band microstrip antenna." In 2017 Progress In Electromagnetics Research Symposium - Spring (PIERS). IEEE, 2017. http://dx.doi.org/10.1109/piers.2017.8261886.

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Borah, S., and N. S. Bhattacharyya. "GCPWG technique for measurement of dielectric properties of magneto-polymer composite at microwave frequencies." In 2009 Applied Electromagnetics Conference (AEMC 2009). IEEE, 2009. http://dx.doi.org/10.1109/aemc.2009.5430594.

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Arce-Diego, Jose L., David Pereda Cubian, and Luis M. Villaverde-Castanedo. "Temperature dependence of the multilayer films properties composed of magneto-optical and dielectric materials." In Photonics, Devices, and Systems II, edited by Miroslav Hrabovsky, Dagmar Senderakova, and Pavel Tomanek. SPIE, 2003. http://dx.doi.org/10.1117/12.498452.

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Sahoo, Sushrisangita, P. K. Mahapatra, and R. N. P. Choudhary. "Effect of sintering temperature on dielectric, electrical and magneto-electric properties of (Ba0.8Gd0.2)(Ti0.8Fe0.2) O3." In DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980181.

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Reports on the topic "Magneto-dielectric Properties"

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Rajca, Andrzej. Organic Polymers with Magneto-Dielectric Properties. Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada467781.

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You might also be interested in the extended bibliographies on the topic 'Magneto-dielectric Properties' for particular source types:
Journal articles
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