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Showing 2010 · cond-mat.mtrl-sciShow all

19 papers · 2 filters

cond-mat.mtrl-sci2010★ 18 cited

Pinning of magnetic domain walls in multiferroics

Z. V. Gareeva, A. K. Zvezdin

The behavior of antiferromagnetic domain wall (ADW) against the background of a periodic ferroelectric domain structure has been investigated. It has been shown that the structure…

cond-mat.mtrl-sci2010★ 14 cited

Direct observation of two-phonon bound states in ZnTe

Jianbo Hu, Oleg V. Misochko, Kazutaka G. Nakamura

A coherent two-phonon bound state has been impulsively generated in ZnTe(110) via second-order Raman scattering in the time domain for the first time. The two-phonon bound state, c…

cond-mat.mtrl-sci2010★ 21 cited

Controlling phonon squeezing and correlation via one- and two-phonon interference

Oleg V. Misochko, Jianbo Hu, Kazutaka G. Nakamura

When ultrafast laser pulse strikes the crystal with a van Hove singularity in the phonon density of states, it can create a pair of anti-correlated in wave-vector acoustic phonons.…

cond-mat.mtrl-sci2010★ 10 cited

Specific heat and magnetocaloric effect in Pr1-xAgxMnO3 manganites

A. G. Gamzatov, A. M. Aliev, A. B. Batdalov +3

The magnetocaloric effect in alternating magnetic fields has been investigated in Pr1-xAgxMnO3 manganites with x=0.05-0.25. The stepwise reversal of the sign of the magnetocaloric…

cond-mat.mtrl-sci2010★ 37 cited

Generation of coherent phonons in bismuth by ultrashort laser pulses in the visible and NIR: displacive versus impulsive excitation mechanism

A. A. Melnikov, O. V. Misochko, S. V. Chekalin

We have applied femtosecond pump-probe technique with variable pump wavelength to study coherent lattice dynamics in Bi single crystal. Comparison of the coherent amplitude as a fu…

cond-mat.mtrl-sci2010★ 3 cited

Interaction between Mn Ions and Free Carriers in Quantum Wells with Asymmetrical Semimagnetic Barriers

D. M. Zayachuk, T. Slobodskyy, G. V. Astakhov +4

Investigations of photoluminescence (PL) in the magnetic field of quantum structures based on the ZnSe quantum well with asymmetrical ZnBeMnSe and ZnBeSe barriers reveal that the i…

cond-mat.mtrl-sci2010★ 1 cited

Scanning mid-IR-laser microscopy: an efficient tool for materials studies in silicon-based photonics and photovoltaics

O. V. Astafiev, V. P. Kalinushkin, V. A. Yuryev

A method of scanning mid-IR-laser microscopy has recently been proposed for the investigation of large-scale electrically and recombination-active defects in semiconductors and non…

cond-mat.mtrl-sci2010

Role of dislocations in scattering of charge carriers in mechanical polishing damaged layers of silicon wafers

Vladimir Yuryev

Physical processes resulting in the anomalous (cubic) dependence of the small-angle IR scattering intensity from near-surface layers of mechanically polished silicon and germanium…

cond-mat.mtrl-sci2010★ 6 cited

Elastic Mid-Infrared Light Scattering: a Basis for Microscopy of Large-Scale Electrically Active Defects in Semiconducting Materials

V. P. Kalinushkin, V. A. Yuryev, O. V. Astafiev

A method of the mid-IR-laser microscopy has been proposed for the investigation of the large-scale electrically and recombination active defects in semiconductors and non-destructi…

cond-mat.mtrl-sci2010★ 63 cited

Magnetodielectric and magnetoelastic coupling in TbFe3(BO3)4

Umut Adem, Liran Wang, Daniele Fausti +7

We have studied the magnetodielectric and magnetoelastic coupling in TbFe3(BO3)4 single crystals by means of capacitance, magnetostriction and Raman spectroscopy measurements. The…

cond-mat.mtrl-sci2010★ 8 cited

Sub-nanosecond delay of light in (Cd,Zn)Te crystal

T. Godde, I. A. Akimov, D. R. Yakovlev +2

We study excitonic polariton relaxation and propagation in bulk CdZnTe using time- resolved photoluminescence and time-of-flight techniques. Propagation of picosecond optical pulse…

cond-mat.mtrl-sci2010★ 15 cited

Effect of magnetoelectrical interactions on multiferroic domain walls

Z. V. Gareeva, A. K. Zvezdin

The antiferromagnetic domain structure of a multiferroic has been investigated in the presence of a ferroelectric domain structure. It has been demonstrated that an inhomogeneous m…

cond-mat.mtrl-sci2010★ 7 cited

High frequency polarization switching of a thin ferroelectric film

J. -G. Caputo, A. I. Maimistov, E. D. Mishina +2

We consider both experimentally and analytically the transient oscillatory process that arises when a rapid change in voltage is applied to a ferroelectric thin…

cond-mat.mtrl-sci2010★ 29 cited

Transmission and diffraction properties of a narrow slit in ideal metal

B. Sturman, E. Podivilov, M. Gorkunov

By solving Maxwell equations with the ideal-metal boundary conditions in the TM case, we have fully described the transmission and diffraction properties of a single slit regardles…

cond-mat.mtrl-sci2010★ 29 cited

Magnetoelectric ordering of BiFeO3 from the perspective of crystal chemistry

L. M. Volkova, D. V. Marinin

In this paper we examine the role of crystal chemistry factors in creating conditions for formation of magnetoelectric ordering in BiFeO3. It is generally accepted that the main re…

cond-mat.mtrl-sci2010

Nonlinear Two-Dimensional Green's Function in Smectics

E A. Brener, V. I. Marchenko, D. Pilipenko

The problem of the strain of smectics subjected to a force distributed over a line in the basal plane has been solved.

cond-mat.mtrl-sci2010★ 8 cited

Impact ionization fronts in Si diodes: Numerical evidence of superfast propagation due to nonlocalized preionization

Pavel Rodin, Andrey Minarsky, Igor Grekhov

We present numerical evidence of a novel propagation mode for superfast impact ionization fronts in high-voltage Si -- structures. In nonlinear dynamics terms, this mo…

cond-mat.mtrl-sci2010★ 6 cited

Stability, structural, elastic and electronic properties of RuN polymorphs from first-principles calculations

V. V. Bannikov, I. R. Shein, A. L. Ivanovskii

First-principles calculations through a FLAPW-GGA method for six possible polymorphs of ruthenium mononitride RuN with various atomic coordination numbers CNs: cubic zinc blende (Z…

cond-mat.mtrl-sci2010★ 6 cited

Calculation of the P-T phase diagram and tendency toward decomposition in equiatomic TiZr alloy

V. Yu. Trubitsin, E. B. Dolgusheva

Electronic, structural and thermodynamic properties of the equiatomic alloy TiZr are calculated within the electron density functional theory and the Debye-Gruneisen model. The cal…