Results 31 to 40 of about 3,555 (211)

Impedance spectroscopy of bismuth sodium titanate: Barium titanate ceramics with manganese doping [PDF]

Journal of the American Ceramic Society, 2017
Abstract In this work we use Impedance Spectroscopy ( IS ) to study lead‐free ceramics of perovskite structure (Bi 1/2 Na 1/2 TiO 3 ) 0.
V. Hugo Schmidt, Noah Archer, Chi‐Shun Tu   +2 more
openaire   +1 more source

Effect of Oxygen Annealing Atmosphere on Structural, Electrical and Energy Storage Properties of Bi_0.5Na_0.5TiO₃ Polycrystalline Thin Film

Quantum Beam Science, 2023
Bismuth sodium titanate (BNT) thin films were deposited on Pt/SiN substrates by Sol-Gel spin coating technique and annealed under O2 atmosphere. The microstructural, structural, and electrical properties of the obtained film were investigated.
Ilham Hamdi Alaoui, Nathalie Lemée, Françoise Le Marrec, Moussa Mebarki, Anna Cantaluppi, Delphine Favry, Abdelilah Lahmar   +6 more
doaj   +1 more source

Improving the functional properties of (K0.5Na0.5)NbO3 piezoceramics by acceptor doping [PDF]

, 2015
ZrO2 and TiO2 modified lead-free (K0.5Na0.5)NbO3 (KNN) piezoelectric ceramics are prepared by a conventional solid-state reaction. The effect of acceptor doping on structural and functional properties is investigated.
Bril, X, Dezanneau, Guillem, García García, José Eduardo, Mestres, Lourdes, Ochoa Guerrero, Diego A., Vendrell Villafruela, Xavier   +5 more
core   +3 more sources

Structural and electrical properties of bismuth sodium titanate ceramic

IOP Conference Series: Materials Science and Engineering, 2022
Single-phase lead-free Bi0.5Na0.5TiO3 (BNT) perovskite ferroelectric ceramic was produced using a solid-state reaction method. A detailed investigation of the structural and electrical properties of BNT ceramic is conferred. According to phase analysis employing Rietveld refined X-Ray diffraction, the crystal structure is single phase with rhombohedral
B L Kuanar, H S Mohanty, B Dalai, D Behera   +3 more
openaire   +1 more source

Oxygen vacancy migration and its lattice structural origin in A-site non-stoichiometric bismuth sodium titanate perovskites

Journal of Materiomics, 2022
Off-stoichiometry of perovskite structural Bi0.5Na0.5TiO3 (BNT) ferroelectrics can give rise to considerable oxide-ion conductivity. The inherent structural characteristics are urgent to be resolved due to its particular sensitivity of the conduction ...
Jing Shi, Xiao Liu, Fangyuan Zhu, Wenchao Tian, Yuanhua Xia, Tangyuan Li, Rongrong Rao, Tao Zhang, Laijun Liu   +8 more
doaj   +1 more source

Dielectric relaxation induced by oxygen vacancies in Na_0.5Bi_0.5TiO_3 ceramics

Condensed Matter Physics, 2022
Dielectric permittivity was studied in ceramics of relaxor ferroelectric bismuth-sodium titanate Na_0.5Bi_0.5TiO_3. The measurements were performed on as sintered and heat treated in vacuum samples.
V. M. Sidak, M. P. Trubitsyn, T. V. Panchenko   +2 more
doaj   +1 more source

Recent advances in processing, morphological evolution and applications of bismuth sodium titanate nanoceramics

Open Ceramics
Nanostructured hybrid functional perovskite materials are an exciting domain of electroceramic materials and have created attention among researchers due to the coexistence of multiple properties like piezo and ferroelectricity.
Subramani Supriya
doaj   +1 more source

Synthesis of titanate nanofibers co-sensitized with ZnS and Bi2S3 nanocrystallites and their application on pollutants removal

, 2015
The synthesis of nanocomposite materials combining titanate nanofibers (TNF) with nanocrystalline ZnS and Bi2S3 semiconductors is described in this work. The TNF were produced via hydrothermal synthesis and sensitized with the semiconductor nanoparticles,
A.J. Silvestre, Albuquerque, Augugliaro, B. Barrocas, Bem, Cabrita, Chen, Chen, Fang, Fang, Ferreira, Ferreira, Franco, J.F. Cabrita, Kortuem, Kuriechen, Lazar, Li, Lim, Luis, M.R. Nunes, Miyauchi, Monteiro, Monteiro, Monteiro, Moreira, Mozia, O.C. Monteiro, Ou, Park, Shah, Shen, Siddique, T.J. Entradas, Wu, Wu, Yahiat, Ylhäinen, Yongfeng, Zhang, Zhao   +40 more
core   +1 more source

Ferroelectric properties of Bi0.5(Na0.8K0.2)0.5TiO3 ceramics [PDF]

, 2014
Different processing conditions and the effect of secondary phases on ferroelectric properties of Bi0.5(Na0.8K0.2)0.5TiO3 (BNKT) are studied. Ceramic powders are prepared by solid state reaction and different sintering temperatures (temperatures between ...
Camargo, Javier Eduardo, Castro, Miriam Susana, Ramajo, Leandro Alfredo, Rubio Marcos, Fernando   +3 more
core   +1 more source

Formation of sodium bismuth titanate—barium titanate during solid‐state synthesis

Journal of the American Ceramic Society, 2017
Abstract Phase formation of sodium bismuth titanate (Na 0.5 Bi 0.5 TiO 3 or NBT ) and its solid solution with barium titanate (BaTiO 3
Dong Hou, Elena Aksel, Chris M. Fancher, Tedi‐Marie Usher, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi, Jacob L. Jones   +7 more
openaire   +2 more sources