Results 21 to 30 of about 8,702 (250)

Revealing the role of the constant phase element in relaxor ferroelectrics [PDF]

, 2022
Relaxor ferroelectrics exhibit both static and dynamic local structural order which controls their frequency-dependent electrical properties. A combination of advanced scattering and microscopy techniques have been used recently to determine the local ...
Ramírez González, Julia, Ye, Zuo-Guang, Ye, Z.-G., West, A.R., Vendrell Villafruela, Xavier, West, Anthony R., Ramírez-González, J., Vendrell, X., Zuo-Guang Ye, Anthony R. West, Xavier Vendrell, Julia Ramírez-González   +11 more
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Vogel-Fulcher analysis of relaxor dielectrics with the tetragonal tungsten bronze structure : Ba6MNb9O30 (M = Ga, Sc, In) [PDF]

, 2015
In-depth analysis of the relaxor behaviour of Ba6MNb9O30 (M= Ga, Sc, In) tetragonal tungsten bronze (TTB) ceramics was carried out. Powder x-ray diffraction and scanning electron microscopy were performed in order to confirm the formation of desired ...
Morrison, Finlay D., Rotaru, Andrei, Morrison, Finlay D.; id_orcid   +2 more
core   +1 more source

Investigations on Fe-doped strontium barium niobate, single phase ferroelectric and magnetodielectric compounds [PDF]

Journal of Advanced Dielectrics, 2015
To understand possible interaction between magnetic and electric order parameters of Fe-doped SrxBa1-xNb2O6 (SBN), Fe-doped Sr0.5Ba0.5Nb2O6 (SBN50) and Sr0.4Ba0.6Nb2O6 (SBN40) are synthesized and investigated.
S. H. Kshirsagar, S. R. Jigajeni, A. N. Tarale, D. J. Salunkhe, P. B. Joshi   +4 more
doaj   +1 more source

High-Entropy Lead-Free Perovskite Bi_0.2K_0.2Ba_0.2Sr_0.2Ca_0.2TiO₃ Powders and Related Ceramics: Synthesis, Processing, and Electrical Properties

Nanomaterials, 2023
A novel high-entropy perovskite powder with the composition Bi0.2K0.2Ba0.2Sr0.2Ca0.2TiO3 was successfully synthesized using a modified Pechini method.
Vasile-Adrian Surdu, Mariana-Andreea Marinică, Roxana-Elena Pătru, Ovidiu-Cristian Oprea, Adrian Ionuț Nicoară, Bogdan Ștefan Vasile, Roxana Trușca, Adelina-Carmen Ianculescu   +7 more
doaj   +1 more source

Polarization reversal via a transient relaxor state in nonergodic relaxors near freezing temperature

Journal of Materiomics, 2019
Among the unresolved issues in the study of relaxor ferroelectrics is the role of freezing temperature, across which the dynamics of polarization reversal in relaxor ferroelectrics changes.
Chang-Hyo Hong, Hanzheng Guo, Xiaoli Tan, John E. Daniels, Wook Jo   +4 more
doaj   +1 more source

Relaxor-like Behavior and Structure Features of Bi₂Ti₂O₇ Pyrochlore Single Crystals

, 2020
By slow cooling of the melt, large Bi2Ti2O7 single crystals with a composition close to stoichiometric were grown. No traces of impurity phases were found on the X-ray diffraction patterns.
Alexander A. Bush (8351937), Konstantin E. Kamentsev (2553310), Sergey A. Ivanov (2553298), Mikhail V. Talanov (5165954), Adam I. Stash (1427281)   +4 more
core   +1 more source

High Entropy Oxide Relaxor Ferroelectrics

, 2022
Relaxor ferroelectrics are important in technological applications due to strong electromechanical response, energy storage capacity, electrocaloric effect, and pyroelectric energy conversion properties.
Aiping Chen, Qiang Zheng (167762), Min-Cheol Lee (6166418), Matthew Brahlek, T. Zac Ward, Yogesh Sharma, Yogesh Sharma (1880905), Krishna Chaitanya Pitike, Rohit P. Prasankumar, Karuna K. Mishra, Karuna K. Mishra (12160574), Brianna L. Musico (10531341), Brianna L. Musico, Min-Cheol Lee, Dmitry A. Yarotski, Alessandro R. Mazza (9411162), Qiang Zheng, Ram S. Katiyar, Aiping Chen (3856), T. Zac Ward (1925395), Valentino R. Cooper, Alessandro R. Mazza, Veerle Keppens, Matthew Brahlek (1467043), Ram S. Katiyar (1644193), Dmitry A. Yarotski (2917871), Xiang Gao, Krishna Chaitanya Pitike (9254276), Rohit P. Prasankumar (1835905), Xiang Gao (4077), Valentino R. Cooper (537435), Veerle Keppens (9024104)   +31 more
core   +1 more source

Magnetoelectrics: Is CdCr2S4 a multiferroic relaxor?

, 2007
Materials showing simultaneous ferroelectric and magnetic ordering are attracting a great deal of interest because of their unusual physics and potential applications1.
Scott, J. F., Catalan, G.
core   +2 more sources

Random electric field instabilities of relaxor ferroelectrics

npj Quantum Materials, 2017
Complex oxides: A random field state in a relaxor ferroelectric A microscopic model shows how compositional disorder in the form of quenched random electric fields acting in concert with dipolar interactions prohibit long-range ordering in relaxor ...
José R. Arce-Gamboa, Gian G. Guzmán-Verri   +1 more
doaj   +1 more source

Relaxor antiferroelectric ceramics with ultrahigh efficiency for energy storage applications [PDF]

, 2021
Enhancing the efficiency in energy storage capacitors minimizes energy dissipation and improves device durability. A new efficiency-enhancement strategy for antiferroelectric ceramics, imposing relaxor characteristics through forming solid solutions with
Tan, Xiaoli, Mohapatra, Pratyasha, Fan, Zhongming, Cui, Jun   +3 more
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