Zobrazeno 1 - 10
of 373
pro vyhledávání: '"Haydn Chen"'
Evolution of dielectric properties in the (1−x) PbFe0.5Nb0.5O3–xBaFe0.5Nb0.5O3 solid solution system
Publikováno v:
Journal of Materials Science. 54:10984-10997
Temperature dependences of the dielectric permittivity e of (1−x)PbFe0.5Nb0.5O3-x BaFe0.5Nb0.5O3 solid solution ceramics at 100 Hz–1 MHz have been studied in the 12–500 K temperature range. To lower the conductivity values and exclude the corre
Publikováno v:
Materials Science and Engineering: R: Reports. 135:1-57
High strain piezoelectric ceramics are the state-of-the-art materials for high precision, positioning devices. A comprehensive review of the latest developments of the various types of perovskite piezoelectric ceramic systems is presented herein, wit
Autor:
Jiwei Zhai, Shaofeng Wu, Lingmin Yao, Yipeng Tan, Zhongbin Pan, Ruikun Wang, Haydn Chen, Feipeng Pi
Publikováno v:
Materials & Design, Vol 195, Iss, Pp 109044-(2020)
The majority of the previously reported nanocomposites obtainable with higher energy density (>15 J cm−3) relies strongly on much higher breakdown strength (>4000 kV cm−1). The operation of capacitors in such higher applied electric field brings
Autor:
I. P. Raevski, S. I. Raevskaya, E. I. Sitalo, M. A. Bunin, Haydn Chen, S. V. Inozemtsev, Yu. A. Kuprina, O. A. Bunina
Publikováno v:
Ferroelectrics. 525:18-27
Basing on the X-ray diffraction studies, a possibility of six local cationic configurations was established for K2Sr4Nb10O30 (KSN) having a tetragonal tungsten bronze-type structure. The association of these locally charged configurations may lead to
The effect of Cr substitution for Fe on the structure and magnetic properties of BiFeO3 multiferroic
Autor:
Y. V. Radyush, V. V. Titov, S. I. Raevskaya, M. A. Malitskaya, N. M. Olekhnovich, Haydn Chen, Stanislav P. Kubrin, I. P. Raevski, Anatoli V. Pushkarev
Publikováno v:
Ferroelectrics. 525:1-10
X-ray diffraction and Мossbauer studies of perovskite BiFe1-xCrxO3 solid solution ceramics fabricated under high pressure (4–6 GPa) have been carried out. Two morphotropic phase boundaries were rev...
Autor:
S. I. Raevskaya, A. A. Gusev, I. P. Raevski, V. V. Titov, V. P. Isupov, Stanislav P. Kubrin, Haydn Chen
Publikováno v:
Ferroelectrics. 525:37-46
High-energy mechanical activation of the starting oxides was found to reduce dramatically or even suppress the frequency shift of the dielectric permittivity maximum of ceramic ferroelectrics-relax...
Publikováno v:
Ferroelectrics. 525:54-63
It has been found out that compositional ordering degree of the Yb3+ and M5+ (M – Nb, Ta) ions in Pb2YbМO6 ceramics and, correspondingly, both temperature and diffusion of antiferroelectric phase transition can be varied within a wide range by mea
Autor:
Cheng-Sao Chen, Chi-Shun Tu, Li Wen Chu, Chen-Chia Chou, Haydn Chen, Pin-Yi Chen, Kuei-Chih Feng, I. P. Raevski, Hao Wei Lee
Publikováno v:
Materials Research Bulletin. 96:71-75
Phase transformation and bloating behavior of CaMgSi 2 O 6 glass-ceramics with ZrO 2 nucleating agent using two-stage heat treatments were investigated as functions of annealing temperature. The specimens annealed below critical nucleation temperatur
Autor:
Kuei-Chih Feng, I. P. Raevski, Pin-Yi Chen, Cheng-Sao Chen, Chung Ya Tsao, Chen-Chia Chou, Chun An Lu, Haydn Chen, Chi-Shun Tu
Publikováno v:
Materials Research Bulletin. 96:66-70
Densification, microstructures and dielectric properties of CaO–MgO–SiO2 glass-ceramics were investigated with ZrO2 nucleating agent using two-stage heat treatment in the low temperature co-fired ceramic (LTCC) method. The amorphous cullet (abbre
Publikováno v:
Materials Chemistry and Physics. 199:185-192
Using a pure metal interlayer to relieve residual stress and enhance adhesion of hard coatings on substrate materials has been commonly adopted in industry and extensively studied in last two decades. However, due to the difficulty in accurately meas