| Issue |
EPL
Volume 84, Number 3, November 2008
|
|
|---|---|---|
| Article Number | 37008 | |
| Number of page(s) | 6 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/84/37008 | |
| Published online | 28 October 2008 | |
A re-entrant canted antiferromagnetic state in the Mn site substituted manganite La0.46Sr0.54Mn0.98Cr0.02O3
1
Max Planck Institute for Chemical Physics of Solids - Noethnitzer Str. 40, 01187 Dresden, Germany, EU
2
Department of Condensed Matter Physics and Materials Science, Tata Institute of Fundamental Research Homi Bhabha Road, Mumbai 400 005, India
Received:
20
June
2008
Accepted:
23
September
2008
We report an investigation of the higher-order magnetic susceptibilities, measured across a low-temperature metastable magnetic phase transition in La0.46Sr0.54Mn0.98Cr0.02O3. Measurements of the second- and third-order magnetic susceptibilities clearly indicate that this re-entrant transition is associated with the emergence of a finite spontaneous magnetisation as in a canted antiferromagnet. The large relaxation time scales seen in this system probably originate from self-generated clusters which arise as a consequence of Cr substitution in the host antiferromagnetic lattice.
PACS: 75.47.Lx – Manganites / 75.50.Lk – Spin glasses and other random magnets / 75.30.Kz – Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
© EPLA, 2008
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