Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Kazukiyo Nagata"'
Autor:
Hiroyuki Nojiri, Toshio Ono, Susumu Okubo, Shuji Maruyama, Kazukiyo Nagata, Hidekazu Tanaka, Shojiro Kimura, S. Teraoka, Takashi Kambe, Hitoshi Ohta, Mitsuhiro Motokawa
Publikováno v:
Journal of the Physical Society of Japan. 72:84-98
We give an overview of our studies on the electron spin resonance (ESR) in the hexagonal triangular antiferromagnets of ABX 3 type using millimeter and submillimeter waves and static and pulsed high magnetic fields. Novel ESR modes, which cannot be u
Publikováno v:
Journal of the Physical Society of Japan. 67:3590-3600
A series of oxide glasses rich in Fe 2+ and Fe 3+ with their various molar ratio has been synthesized, and the magnetic behaviors have been studied by static magnetization and ESR experiments. Near room temperature, superparamagnetic behavior is caus
Autor:
Takashi Kambe, Hitoshi Ohta, Hidekazu Tanaka, Kazukiyo Nagata, Mitsuhiro Motokawa, Shojiro Kimura
Publikováno v:
Journal of the Physical Society of Japan. 66:4017-4026
Submillimeter wave ESR measurements of the ABX 3 triangular antiferromagnet CsMnBr 3 with easy-plane type anisotropy have been performed in the frequency region from 9 to 383.3 GHz. The frequency-field relations of AFMR observed below T N =8.3 K are
Publikováno v:
Journal of the Physical Society of Japan. 65:1799-1811
Electron Spin Resonance (ESR) measurements have been performed on axial triangular antiferromagnets CsNiBr 3 and CsMnI 3 in their lowest three-dimensional (3 D) ordered phase. The frequency vs. magnetic field diagrams are obtained in the frequency ra
Publikováno v:
Journal of the Physical Society of Japan. 62:4053-4065
The Rb 1- x K x NiCl 3 system is a mixture of S =1 Heisenberg antiferromagnets on deformed triangular lattice with the easy-axis and easy-plane types of anisotropy. The magnetic phase transitions in the present system were investigated by susceptibil
Publikováno v:
Journal of the Physical Society of Japan. 62:3388-3391
We investigate the effects of a diagonal interchain interaction J 2 on the ESR modes in the A B X 3 -type antiferromagnets with easy-axis anisotropy.The static properties are described by replacing the conventional interchain interaction J 1 by J 1 -
Publikováno v:
Journal of the Physical Society of Japan. 61:3292-3302
The magnetic properties of RbVBr 3 with a deformed CsNiCl 3 structure were investigated by means of the susceptibility and torque measurements. RbVBr 3 undergoes the successive transitions, T N1 =28.0 K and T N2 =21.3 K and 19.0 K on heating and cool
Autor:
Masukazu Igarashi, Kazukiyo Nagata
Publikováno v:
Journal of the Physical Society of Japan. 61:2070-2080
A simple but useful phenomenological approach to the magnetism of a randomly mixed antiferromagnet B 1- x C x , in which a weak axial anisotropy of B-ions and a strong axial anisotropy of C-ions compete each other below a terminal concentration x s (
Publikováno v:
Journal of the Physical Society of Japan. 61:2081-2089
The magnetic resonance and magnetization measurements in the random system with competing spin anisotropies CsMn 1- x Co x Cl 3 · 2H 2 O ( x
Publikováno v:
Journal of the Physical Society of Japan. 60:4280-4285
Short-range spin ordering of RbNiCl 3 in the critical region of the magnetic phase transition is observed by the birefringence technique. The temperature derivative of the ac -plane birefringence, corresponding to specific heat, shows an almost diver