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MAGNETIC-ORDERING AND FLUCTUATIONS IN THE S = 1/2 SQUARE HEISENBERG-ANTIFERROMAGNET CU(DCO2)2.4D2O

Abstract:

Elastic and quasielastic neutron scattering measurements have been performed in the S=1/2 square Heisenberg antiferromagnet copper(II) deuteroformate tetradeuterate, Cu(DCO2)2.4D2O. The sublattice magnetization was measured below TN=16.54(5) K, and the critical exponent beta was found to cross over from 0.23(1) to 0.32(2) at a reduced temperature epsilon =(TN-T)/TN of 0.06 as T N was approached from below. The temperature dependence of the inverse correlation length of the two-dimensional ant...

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Publication status:
Published

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Publisher copy:
10.1088/0953-8984/4/4/003

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Journal:
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume:
4
Issue:
4
Pages:
L71-L76
Publication date:
1992-01-27
DOI:
EISSN:
1361-648X
ISSN:
0953-8984
URN:
uuid:0fbf9831-b8ff-4fc4-b09b-5c8c6d9df28b
Source identifiers:
43849
Local pid:
pubs:43849
Language:
English

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