Coexistence of para and ferromagnetic phases of Fe3+ in undoped CdZnTe (Zn r-v 4%) crystals
IR@NPL: CSIR-National Physical Laboratory, New Delhi
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| Title |
Coexistence of para and ferromagnetic phases of Fe3+ in undoped CdZnTe (Zn r-v 4%) crystals
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| Creator |
Kulkarni , Gururaj Anand
Murthy, Oruganty V. S. N. Rao, K. S. R. K. Bhat, S. V. Chakraborty , B. R. |
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| Subject |
Physics
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| Description |
The signatures of the coexistence of para and ferromagnetic phases for the Fe3+ charge state of iron
have been identified in the low temperature electron spin resonance (ESR) spectra in undoped CdZnTe (Zn ~ 4%) crystals and independently verified by superconducting quantum interference device (SQUID)and AC susceptibility measurements. In the paramagnetic phase the inverse of AC susceptibility follows the Curie-Weiss law. In the ferromagnetic phase the thermal evolution of magnetization follows the well-known Bloch T3/2 law. This is further supported by the appearance of hysteresis in the SQUID
measurements at 2 Kbelow Tc which is expected to lie in between 2 and 2.5 K.
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| Publisher |
Elsevier
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| Date |
2010-09-03
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| Type |
Article
PeerReviewed |
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| Format |
application/pdf
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| Identifier |
http://npl.csircentral.net/45/1/36.pdf
Kulkarni , Gururaj Anand and Murthy, Oruganty V. S. N. and Rao, K. S. R. K. and Bhat, S. V. and Chakraborty , B. R. (2010) Coexistence of para and ferromagnetic phases of Fe3+ in undoped CdZnTe (Zn r-v 4%) crystals. Solid State Communications, 150 (43-44). pp. 2174-2177. ISSN 0038-1098 |
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| Relation |
http://www.sciencedirect.com/science/article/pii/S003810981000517X
http://npl.csircentral.net/45/ |
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