Zobrazeno 1 - 10
of 32
pro vyhledávání: '"V.V. Nietz"'
Autor:
V.V. Nietz, A.A. Osipov
Publikováno v:
Journal of Magnetism and Magnetic Materials. 320:1464-1471
The theory of magnetic ball solitons (BS) arising as a result of the energy fluctuations, at the spin–flop transition induced by a magnetic field in antiferromagnets with uniaxial anisotropy, is presented. Such solitons are possible in a wide range
Autor:
V.V. Nietz, Y.Y. Stavisski
Publikováno v:
Journal of Neutron Research. 14:139-146
The possibilities of neutron investigations of the magnetic structure of crystals at powerful pulsed neutron sources, JSNS (Japan), TIRAN (Snezhinsk, Russia) and LHC (CERN), with the use of pulsed magnetic fields are considered. An opportunity for di
Autor:
V.V. Nietz
Publikováno v:
Journal of Magnetism and Magnetic Materials. 266:258-267
The character of neutrons scattering by ball solitons arising at the spin–flop transition in antiferromagnet is considered. Results of analysis of form-factor and dynamical structural factor for neutron scattering are presented. Possible arrangemen
Autor:
V.V. Nietz
Publikováno v:
Journal of Magnetism and Magnetic Materials. 263:141-145
The character of a loop of a dynamic hysteresis that was obtained in diffraction research (Commun. JINR, P14-92-401, Dubna, 1992 (in Russian); Commun. JINR, P14-94-429, Dubna, 1994; J. Magn. Magn. Mater. 154 (1) (1996) 119) with a pulsed magnetic fie
Autor:
V.V. Nietz
Publikováno v:
Journal of Magnetism and Magnetic Materials. 213:389-403
The phase diagram of hematite (α-Fe2O3) in an external magnetic field below the Morin point, obtained from the known magnitudes of interaction constants, is given.
Publikováno v:
Journal of Neutron Research. 5:109-122
The main characteristics of the SNIM-2 installation at the IBR-2 pulsed reactor are given. SNIM-2 consists of a time-of-flight neutron spectrometer for elastic and inelastic neutron scattering and a pulsed magnetic device. The SNIM-2 is used to study
Autor:
D. Georgiev, V.V. Nietz
Publikováno v:
Journal of Magnetism and Magnetic Materials. 154:119-126
We present the results of diffraction research on the spin-flop transition in α-Fe 2 O 3 and Cr 2 O 3 performed on the SNIM-2 spectrometer of the IBR-2 pulsed reactor using a pulsed magnetic field. The field pulses had a sinusoidal form with a time
Autor:
V.V. Nietz
Publikováno v:
Journal of Magnetism and Magnetic Materials. 153:127-131
We have calculated a phase diagram, connected with the orientation transitions of hematite (α-Fe 2 O 3 ) at a temperature lower than the Morin point in an external magnetic field, normal to the second-order axis. At the change in the first anisotrop
Publikováno v:
Solid State Communications. 96:535-537
We have performed neutron diffraction measurements of the weak antiferromagnetic component of the noncollinear spin arrangement of Fe3+ ions in YFeO3 and HoFeO3 by means of the SNIM-2 neutron spectrometer at the IBR-2 pulsed reactor of JINR, Dubna. S
Autor:
V.V. Nietz
Publikováno v:
ChemInform. 34
The peculiarities of the pulsed magnetic field usage in the research of magnetic properties of crystal substances with different pulsed and steady-state sources of neutrons are considered. The comparative characteristics of existing and some projecte