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Lattice effects and magnetic structure in the layered colossal magnetoresistance manganite La2-2xSr1+2xMn2O7, x = 0.3

Abstract:

We report on the temperature dependence of the crystal and magnetic structure of the layered colossal magnetoresistive manganite, La2-2xSr1+2xMn2O7, x=0.3. Neutron-diffraction measurements show that the insulator-metal (IM) transition (7IM) at ∼100 K is accompanied by a ferromagnetic (FM) ordering of spins within MnO6 bilayers (intrabilayer coupling), but with an antiferromagnetic coupling between neighboring bilayers (interbilayer coupling). Below TIM, the Mn spins rotate from ∼45° inclinati...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.59.8695

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
Physical Review B More from this journal
Volume:
59
Issue:
13
Pages:
8695-8702
Publication date:
1999-04-01
DOI:
EISSN:
1095-3795
ISSN:
1098-0121
Language:
English
Pubs id:
pubs:66361
UUID:
uuid:23b604c1-9c3d-4a1a-9690-9c82fdceda5b
Local pid:
pubs:66361
Source identifiers:
66361
Deposit date:
2012-12-19

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