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  Field-induced magnetoelastic instabilities in antiferromagnetic molecular wheels

Waldmann, O., Dobe, C., Ochsenbein, S. T., Güdel, H. U., & Sheikin, I. (2006). Field-induced magnetoelastic instabilities in antiferromagnetic molecular wheels. Physical Review Letters, 96(2): 027206.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-B4A1-0 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-B4A2-F
Genre: Journal Article

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 Creators:
Waldmann, O., Author
Dobe, C., Author
Ochsenbein, S. T., Author
Güdel, H. U., Author
Sheikin, I.1, Author           
Affiliations:
1High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3371774              

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 Abstract: 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.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 362093
ISI: 000234758100084
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 96 (2) Sequence Number: 027206 Start / End Page: - Identifier: ISSN: 0031-9007