Results 31 to 40 of about 2,269 (194)

Dielectric and polarization experiments in high loss dielectrics: a word of caution [PDF]

, 2008
The recent quest for improved functional materials like high permittivity dielectrics and/or multiferroics has triggered an intense wave of research. Many materials have been checked for their dielectric permittivity or their polarization state.
Lines M. E., M. A. Subramanian, M. Maglione, Maglione M., Sze S. M., Van Turnhout J.   +5 more
core   +4 more sources

Microstructural Evolution and High-Performance Giant Dielectric Properties of Lu³⁺/Nb⁵⁺ Co-Doped TiO₂ Ceramics

Molecules, 2021
Giant dielectric (GD) oxides exhibiting extremely large dielectric permittivities (ε’ > 104) have been extensively studied because of their potential for use in passive electronic devices.
Noppakorn Thanamoon, Narong Chanlek, Pornjuk Srepusharawoot, Ekaphan Swatsitang, Prasit Thongbai   +4 more
doaj   +1 more source

Novel titanium dioxide ceramics containing bismuth and antimony

Journal of Materiomics, 2017
Here, we developed one kind of novel TiO2 ceramics with colossal dielectric constant by chemical modifications (Bi3+ and Sb5+), and discussed the physical origin for giant dielectric constant.
Zhenwei Li, Jiagang Wu
doaj   +1 more source

Colossal relative permittivity and low dielectric loss in BaFe0.5Nb0.5O3 ceramics prepared by spark plasma sintering

Results in Physics, 2020
BaFe0.5Nb0.5O3 (BFN) ceramics has been prepared using a rapid process where the powder was synthesised using mechanical milling of the components then consolidated by spark plasma sintering (SPS) for 5 min at 1100 °C.
H. Mahfoz Kotb, Osama Saber, Mohamad M. Ahmad   +2 more
doaj   +1 more source

Origins of Giant Dielectric Properties with Low Loss Tangent in Rutile (Mg_1/3Ta_2/3)_0.01Ti_0.99O₂ Ceramic

Molecules, 2021
The Mg2+/Ta5+ codoped rutile TiO2 ceramic with a nominal composition (Mg1/3Ta2/3)0.01Ti0.99O2 was synthesized using a conventional solid-state reaction method and sintered at 1400 °C for 2 h.
Nateeporn Thongyong, Narong Chanlek, Pornjuk Srepusharawoot, Prasit Thongbai   +3 more
doaj   +1 more source

Colossal permittivity in percolative ceramic/metal dielectric composites

Journal of Alloys and Compounds, 2016
Abstract Dielectric capacitor, as an essential building block, is ubiquitously used in many electronic and energy storage devices. With the development of modern electronics, dielectric materials with large capacitance, low dielectric loss and high reliability are highly desired, and research progress on various materials has been triggered for ...
Du, H, Lin, X, Zheng, H, Qu, B, Huang, Y, Chu, D   +5 more
openaire   +2 more sources

Colossal dielectric constants in transition-metal oxides [PDF]

, 2009
Many transition-metal oxides show very large ("colossal") magnitudes of the dielectric constant and thus have immense potential for applications in modern microelectronics and for the development of new capacitance-based energy-storage devices.
A. Loidl, A. Moreo, A. Pimenov, A. Reller, A. Seeger, A. Tselev, A.A. Bokov, A.I. Ritus, A.K. Jonscher, A.P. Kampf, A.P. Ramirez, A.R. Long, B. Kundys, B. Renner, B. Shri Parkash, B. Shri Parkash, B.A. Bender, B.E. Vugmeister, B.I. Shklovskii, C. Aebischer, C.-F. Yang, C.C. Homes, C.C. Wang, C.D. Batista, C.H. Chen, C.H. Du, C.M. Rey, Ch. Kant, D. Reznik, D. Starešinić, D. Viehland, D.C. Sinclair, E. Dagotto, F. Rivadulla, F. Schrettle, G. Chern, G. Chern, G. Deng, G. Deng, G. Grüner, G. Zang, G.A. Samara, G.E. Pike, G.P. Mazzara, H. Sillescu, H.F. Hess, I.P. Raevski, J. Dumas, J. Halblützel, J. Mira, J. Rivas, J. Sebald, J. Sichelschmidt, J. Yang, J.B. Shi, J.J. Liu, J.J. Liu, J.L. Cohn, J.L. García-Muñoz, J.L. Zhang, J.M. Tranquada, J.M. Tranquada, J.M. Tranquada, J.M. Tranquada, K. Ishizaka, K.A. Müller, K.W. Wagner, L. He, L. Zhang, L.E. Cross, M. Capizzi, M. Filippi, M. Fujimoto, M. Li, M. Li, M. Pollak, M. Uehara, M.A. Subramanian, M.A. Subramanian, M.C. Ferrarelli, M.C. Ferrarelli, M.D. Ediger, M.H. Cohen, M.J. Verkerk, N. Biškup, N. Ikeda, O. Bidault, P. Fiorenza, P. Fiorenza, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Monceau, P. Simon, P.B. Littlewood, R. Viana, R.J. Cava, R.K. Grubbs, R.L. Nigro, R.M. Fleming, R.N. Bhatt, S. Krohns, S. Krohns, S. Krohns, S. Krohns, S. Krohns, S. Krohns, S. Mercone, S. Riegg, S. Yamanouchi, S.-Y. Chung, S.-Y. Chung, S.G. Ebbinghaus, S.H. Lee, S.H. Lee, S.R. Elliott, S.V. Kalinin, T. Götzfried, T. Park, T. Portengen, T. Van Dijk, T.B. Adams, T.B. Adams, T.G. Castner, U. Schneider, V. Bobnar, V. Bobnar, V. Brize, V. Sachan, V. Westphal, V.J. Emery, W. Kobayashi, W.L. McMillan, X.L. Zhou, X.Q. Liu, Y. Lin, Y. Yamada   +143 more
core   +2 more sources

Origin of giant dielectric permittivity and weak ferromagnetic behavior in (1−x)LaFeO3−xBaTiO3 (0.0 ≤ x ≤ 0.25) solid solutions [PDF]

Journal of Advanced Dielectrics, 2016
The solid solutions of (1−x) LaFeO3–xBaTiO3 (0.0≤x≤0.25) have been synthesized successfully by the conventional solid-state reaction method. Room temperature (RT) X-ray diffraction studies reveal the stabilization of orthorhombic phase with Pbnm space ...
T. Sreenivasu, P. Tirupathi, K. Prabahar, B. Suryanarayana, K. Chandra Mouli   +4 more
doaj   +1 more source

Effects of Sintering Conditions on Giant Dielectric and Nonlinear Current–Voltage Properties of TiO₂-Excessive Na_1/2Y_1/2Cu₃Ti_4.1O₁₂ Ceramics

Molecules, 2022
The effects of the sintering conditions on the phase compositions, microstructure, electrical properties, and dielectric responses of TiO2-excessive Na1/2Y1/2Cu3Ti4.1O12 ceramics prepared by a solid-state reaction method were investigated.
Pariwat Saengvong, Jakkree Boonlakhorn, Narong Chanlek, Nutthakritta Phromviyo, Viyada Harnchana, Pairot Moontragoon, Pornjuk Srepusharawoot, Sriprajak Krongsuk, Prasit Thongbai   +8 more
doaj   +1 more source

Multiferroic behavior in CdCr2X4 (X = S, Se)

, 2005
The recently discovered multiferroic material CdCr2S4 shows a coexistence of ferromagnetism and relaxor ferroelectricity together with a colossal magnetocapacitive effect.
Fichtl, R., Hemberger, J., Loidl, A., Lunkenheimer, P., Tsurkan, V., Weber, S.   +5 more
core   +1 more source