MAGNETIC-PHASE DIAGRAM OF MNF2 FROM ULTRASONIC AND DIFFERENTIAL MAGNETIZATION MEASUREMENTS

被引:26
作者
SHAPIRA, Y
FONER, S
MISETICH, A
机构
[1] Physics Department, Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia
[2] Francis Bitter National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge
关键词
D O I
10.1103/PhysRevLett.23.98
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The magnetic-phase diagram, in the H-T plane, of MnF2 was measured using ultrasonic and differential magnetization techniques. The paramagnetic- antiferromagnetic boundary, for H→ along the c axis, is well represented by TN-T=(1.65±0.15)×10-10H2°K/G2. The triple point is at T3=65.1±0.2°K and H3=120±4 kG. The phase boundaries are discussed in light of existing theories. © 1969 The American Physical Society.
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页码:98 / &
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