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Rich magnetic phase diagram of the kagome-staircase compound Mn3V2O8
被引:20
|作者:
Morosan, E.
[1
]
Fleitman, J.
[1
]
Klimczuk, T.
[2
,3
]
Cava, R. J.
[1
]
机构:
[1] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA
[2] Los Alamos Natl Lab, Div Thermal Phys, Los Alamos, NM 87545 USA
[3] Gdansk Univ Technol, Fac Appl Phys & Math, PL-80952 Gdansk, Poland
来源:
关键词:
D O I:
10.1103/PhysRevB.76.144403
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
We report the anisotropic magnetic phase diagrams for Mn(3)V(2)O(8), in which S=5/2 Mn(2+) is found in the kagome-staircase lattice, based on magnetization and specific heat data. At low applied fields, the system first orders magnetically below T(m1)approximate to 21 K and then shows a second transition at T(m2)approximate to 15 K. In addition, a phase transition that is apparent in specific heat but not seen in magnetization is found for all field orientations, converging toward T(m2) as H -> 0. The magnetic behavior is highly anisotropic, and the H-T phase diagrams are quite rich, with seven distinct phases observed.
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