Zobrazeno 1 - 10
of 676
pro vyhledávání: '"W Kleemann"'
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 57:2228-2232
Magnetoelectric (ME) materials are of utmost interest in view of both fundamental understanding and novel desirable applications. Despite its smallness, the linear ME effect has been shown to control spintronic devices very efficiently, e.g., by usin
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Autor:
Pavel Borisov, W. Kleemann, Dmitry A. Kiselev, V. A. Khomchenko, Andrei L. Kholkin, Joaquim M. Vieira, Igor Bdikin, Vladimir V. Shvartsman
Publikováno v:
Acta Materialia. 57:5137-5145
The crystal structure, magnetic and local ferroelectric properties of polycrystalline Bi 1− x Gd x FeO 3 ( x = 0.1, 0.2, 0.3) samples were investigated at room temperature. Gadolinium substitution was found to induce a polar-to-polar R 3 c → Pn 2
Autor:
Subhankar Bedanta, Jan Dec, Paula M. Vilarinho, Vladimir V. Shvartsman, W. Kleemann, Seweryn Miga, Pavel Borisov, Alexander Tkach
Publikováno v:
The European Physical Journal B. 71:407-410
“Multiglass” materials with simultaneous occurrence of two different glassy states extend the frame of conventional multiferroicity, which is devoted to crystalline materials with coexisting uniform long-range electric and magnetic ordering. The
Publikováno v:
Ferroelectrics. 363:141-149
Peculiarities in the nonlinear dielectric response of the relaxor lead magnoniobate (PMN) are explained within the classic Landau-Ginzburg-Devonshire theory. It turns out that a correction term proportional to the square of the polarization, P 0 2 ,
Autor:
S. I. Raevskaya, Sergey Vakhrushev, S. A. Prosandeev, J.-L. Dellis, W. Kleemann, Dwight D. Viehland, I. P. Raevski, Eugene V. Colla, M. El Marssi, A. S. Emelyanov, Lubomir Jastrabik, F. I. Savenko
Publikováno v:
Ferroelectrics. 339:137-146
The bias field-temperature, E-T, phase diagram for 0.87PbMg 1/3 Nb 2/3 O 3 -0.13PbTiO 3 crystals has been obtained by using two different techniques, dielectric spectroscopy and elastic compliance. The temperature dependence of both the dielectric pe
Publikováno v:
Ferroelectrics. 337:13-17
The complex dielectric susceptibility of SrTi18O3 has been measured at frequencies 10−3 ≤ f ≤ 105 Hz and temperatures 5 ≤ T ≤ 30 K with ac field amplitudes 0.01 ≤ E 0 ≤ 10 kV/m in order to inspect different mechanisms of the polarizatio
Publikováno v:
Ferroelectrics. 316:59-64
The temperature dependences of the non-linearity coefficient and the third order susceptibility are investigated on crystals of ordinary (STO16) and oxygen isotope substituted (STO18) strontium titanate. The strong nonlinear dielectric response is de
Publikováno v:
The European Physical Journal B. 45:197-201
Perpendicular exchange bias (PEB) involving perpendicular magnetic anisotropy (PMA) in both the antiferromagnetic (AF) pinning and the ferromagnetic (FM) sensor layer is expected to become important in future perpendicular recording and sensing devic
Publikováno v:
Ferroelectrics. 299:83-87
A theory of dielectric response of quantum paraelectric strontium titanate doped with Ca has been developed. The impurities are thought to be in two possible states, dipole and s-type. The s-type impurities soften the critical ferroelectric lattice m