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Possible Bose-Einstein condensate of magnons in single-crystalline Pb 2 V3 O9

Title
Possible Bose-Einstein condensate of magnons in single-crystalline Pb 2 V3 O9
Authors
Conner B.S.Zhou H.D.Jo Y.J.Balicas L.Wiebe C.R.Carlo J.P.Uemura Y.J.Aczel A.A.Williams T.J.Luke G.M.
Ewha Authors
조연정
Issue Date
2010
Journal Title
Physical Review B - Condensed Matter and Materials Physics
ISSN
1098-0121JCR Link
Citation
vol. 81, no. 13
Indexed
SCI; SCIE; SCOPUS scopus
Abstract
We report the growth and the characterization of single crystals of the S=1/2 spin-dimer compound Pb2 V3 O9. Magnetic-susceptibility, torque magnetometry, heat-capacity, and muon-spin-relaxation measurements provide evidence for a field-induced Bose-Einstein condensate of magnons in this system. At low temperatures, the field-dependent phase boundary between the dimerized and the condensed state is well described by the expression T (H-Hc1) 1/φ, with φ= (2.00±0.04). © 2010 The American Physical Society.
DOI
10.1103/PhysRevB.81.132401
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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