UNSPECIFIED. (2002) Domain structure of the anti ferromagnetic insulating state in Nd0.5Sr0.5MnO3. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 238 (2-3). pp. 140-144. ISSN 0304-8853

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Abstract

Optical reflectivity studies of the ferromagnetic metal (FMM) to anti ferromagnetic insulator (AFI) phase transition were performed on Nd0.5Sr0.5MnO3 single crystals in a wide temperature and magnetic field range. The formation of a domain structure in the AFI state was observed. On the basis of the experimental results and symmetry analysis we conclude that these domains are crystal twins, confirming the symmetry lowering of the crystal at this phase transition. The twin domain structure of the AFI state in the Nd0.5Sr0.5MnO3 is visible in reflected unpolarized light due to a different tilting of the surface of the domains. We find no evidence for intermediate FMM + AFI stripe phase. (C) 2002 Elsevier Science B.V. All rights reserved.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0304-8853
Official Date:	January 2002
Dates:	Date Event January 2002 UNSPECIFIED
Volume:	238
Number:	2-3
Number of Pages:	5
Page Range:	pp. 140-144
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/11230

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