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Phase diagram of oxygen ordering in YBa2Cu3O6+2c.: The three-atom interactions

✍ Scribed by V.M. Matic; M. Milic; N.Dj. Lazarov

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
275 KB
Volume
422
Category
Article
ISSN
0921-4534

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Phase diagram and critical properties of
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Using transfer-matrix finite-size scaling, we reinvestigate a square lattice-gas model Hamiltonian to describe the order-disorder transition in the Cu-O basal plane of YBa2Cu3Oz. The model contains strong nearest-neighbor repulsions and diagonal (2nd neighbor) interactions that alternate in sign. Th