Setsuo Mitsuda
University of Tokyo
45 Papers
485 Citations
Setsuo Mitsuda is an academic researcher from University of Tokyo. The author has contributed to research in topics: Antiferromagnetism & Neutron scattering. The author has an hindex of 19, co-authored 42 publications.
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Papers
Successive magnetic ordering in CuFeO2 : a new type of partially disordered phase in a triangular lattice antiferromagnet
Mamoru Mekata,Nariyasu Yaguchi,Takeo Takagi,Tsukasa Sugino,Setsuo Mitsuda,Hideki Yoshizawa,Nobuyoshi Hosoito,Teruya Shinjo +7 more
TL;DR: In this article, the Monte Carlo simulations for the Ising spin tiangular lattice antiferromagnet were used to reproduce the observed successive transition in the case of the exchange parameters 4 J 3 <2 J 2 ∼ J 1 <0.
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Confirmation of antiferromagnetism in La2CuO
Setsuo Mitsuda,Gen Shirane,S. K. Sinha,David C. Johnston,M. S. Alvarez,David Vaknin,David E. Moncton +6 more
TL;DR: In this article, the superlattice peaks observed recently in undoped La/sub 2/CuO/sub 4-//sub y/ using unpolarized powder neutron diffraction were confirmed to be due to antiferromagnetic ordering, which occurs for our sample below T/sub N/ = 290 +- 30 K.
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Neutron Diffraction Study of CuFeO2
TL;DR: In this paper, it was shown that a powdered CuFeO 2, a quasi-two-dimensional antiferromagnet on a triangular lattice (AFT), has two successive magnetic phase transitions at low temperatures.
107
Partially Disordered Phase in Frustrated Triangular Lattice Antiferromagnet CuFeO 2
TL;DR: In this article, the authors investigated successive magnetic phase transitions in a frustrated triangular lattice antiferromagnet (TLA) with single crystals and found that the magnetic structure of the intermediate-temperature phase between T N 1 and T N 2 is a quasi-long range ordered sinusoidally amplitude-modulated structure with a temperature dependent propagation wave vector.
106
Magnetic form factor of Cu in La2CuO
TL;DR: The magnetic form factor for Cu in a single crystal of the antiferromagnet La/sub 2/CuO/sub 4/ has been measured using neutron diffraction and is consistent with the Calculation of Freeman and Watson for Cu/sup 2+/ at least up to Q = 4 A/Sup -1/, although a plateau between 1 and 3 A/sup -1/ suggests a small contribution of moment at the out-of-plane oxygen sites.
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