Field-induced magnetoelastic instabilities in antiferromagnetic molecular wheels -: art. no. 027206

被引：17
|
作者：
Waldmann, O [1 ]
Dobe, C
Ochsenbein, ST
Güdel, HU
Sheikin, I
机构：
[1] Univ Bern, Dept Chem & Biochem, CH-3012 Bern, Switzerland
[2] CNRS, Grenoble High Magnet Field Lab, F-38042 Grenoble, France
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.96.027206
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The magnetic torque of the antiferromagnetic molecular wheel CsFe8 was studied down to 50 mK and up to 28 T. Below about 0.5 K phase transitions were observed at the field-induced level crossings (LCs). Intermolecular magnetic interactions are very weak excluding field-induced magnetic ordering. A magnetoelastic coupling was considered. A generic model shows that the wheel structure is unconditionally unstable at the LCs, and the predicted torque curves explain the essential features of the data well.
引用
收藏
页数：4
相关论文
共 50 条
  • [41] Field-induced orbital order-disorder transition in an A-type antiferromagnetic manganite:: High-field study of Nd0.45Sr0.55MnO3 -: art. no. 024408
    Hayashi, T
    Miura, N
    Noda, K
    Kuwahara, H
    Okamoto, S
    Ishihara, S
    Maekawa, S
    PHYSICAL REVIEW B, 2002, 65 (02) : 1 - 5
  • [42] Bound spinons in an antiferromagnetic S=1/2 chain with a staggered field -: art. no. 017204
    Kenzelmann, M
    Chen, Y
    Broholm, C
    Reich, DH
    Qiu, Y
    PHYSICAL REVIEW LETTERS, 2004, 93 (01) : 017204 - 1
  • [43] Antiferromagnetic ordering in arrays of superconducting π-rings -: art. no. 214521
    Kirtley, JR
    Tsuei, CC
    Ariando
    Smilde, HJH
    Hilgenkamp, H
    PHYSICAL REVIEW B, 2005, 72 (21)
  • [44] Chiral domain walls in frustrated magnetoelastic materials -: art. no. 140403
    Gaididei, YB
    Saxena, A
    Lookman, T
    Bishop, AR
    Büttner, H
    PHYSICAL REVIEW B, 2002, 66 (14) : 1 - 4
  • [45] Magnetic-field-induced superconductivity in the antiferromagnetic organic superconductor κ-(BETS)2FeBr4 -: art. no. 094514
    Konoike, T
    Uji, S
    Terashima, T
    Nishimura, M
    Yasuzuka, S
    Enomoto, K
    Fujiwara, H
    Zhang, B
    Kobayashi, H
    PHYSICAL REVIEW B, 2004, 70 (09) : 094514 - 1
  • [46] Ordering and excitations in the field-induced magnetic phase of Cs3Cr2Br9 -: art. no. 177202
    Grenier, B
    Inagaki, Y
    Regnault, LP
    Wildes, A
    Asano, T
    Ajiro, Y
    Lhotel, E
    Paulsen, C
    Ziman, T
    Boucher, JP
    PHYSICAL REVIEW LETTERS, 2004, 92 (17) : 177202 - 1
  • [47] Heat capacity at the field-induced ferromagnetic transition in Eu0.58Sr0.42MnO3 -: art. no. 182502
    Liu, GJ
    Sun, JR
    Xie, YW
    Wang, DJ
    Xiong, CM
    Zhang, HW
    Zhao, TY
    Shen, BG
    APPLIED PHYSICS LETTERS, 2005, 87 (18) : 1 - 3
  • [48] Magnetic phase diagrams with possible field-induced antiferroquadrupolar order in TbB2C2 -: art. no. 012401
    Kaneko, K
    Onodera, H
    Yamauchi, H
    Sakon, T
    Motokawa, M
    Yamaguchi, Y
    PHYSICAL REVIEW B, 2003, 68 (01)
  • [49] Magnetic oscillations and field-induced spin-density waves in (TMTSF)2ClO4 -: art. no. 014411
    Radic, D
    Bjelis, A
    Zanchi, D
    PHYSICAL REVIEW B, 2004, 69 (01)
  • [50] Field-induced spin-crossover transition of [MnIII(taa)] studied under pulsed magnetic fields -: art. no. 064448
    Kimura, S
    Narumi, Y
    Kindo, K
    Nakano, M
    Matsubayashi, G
    PHYSICAL REVIEW B, 2005, 72 (06)
12345