| Issue |
EPL
Volume 79, Number 4, August 2007
|
|
|---|---|---|
| Article Number | 47007 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/79/47007 | |
| Published online | 25 July 2007 | |
Low-temperature magnetic response of MnSi: Thermomagnetic history effects, metamagnetic transition and the kinetic arrest of the reverse transition
Magnetic and Superconducting Materials Section, Raja Ramanna Centre for Advanced Technology Indore 452013, India
Received:
4
May
2007
Accepted:
29
June
2007
We report results of dc magnetization measurements in the intermetallic compound MnSi, highlighting a magnetic-field
induced metamagnetic transition and thermomagnetic history effects. The metamagnetic transition is found to be irreversible in nature; in the field reducing cycle the sample does not go back to the original zero-field cooled magnetic state. We interpret this result in terms of kinetic arrest of the reverse phase transition from the field-induced higher-field magnetic state, and draw analogy with the similar phenomenon observed recently in various classes of magnetic materials including CMR manganites.
PACS: 75.30.Kz – Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
© Europhysics Letters Association, 2007
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