A Monte Carlo study of aging effects observed in (RE)Ba2Cu3O7-x films

N. Chandrasekhar; Oriol T. Valls; A. M. Goldman

doi:10.1016/0921-4526(94)91647-0

A Monte Carlo study of aging effects observed in (RE)Ba₂Cu₃O_7-x films

N. Chandrasekhar
, Oriol T. Valls
, A. M. Goldman

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

Abstract

We have investigated the aging of (RE)Ba₂Cu₃O_7-x thin films using a grand canonical ensemble Monte Carlo simulation of the asymmetric next nearest neighbor Ising (ASYNNNI) model. The effect of aging is a reduction in oxygen content and hole concentration. Discrepancies exist in the calculated and experimentally observed hole concentrations, suggesting that the superconductor-insulator (S-I) transition in these films to be a mobility transition rather than being due to a reduction in the number of carriers.

Original language	English (US)
Pages (from-to)	2295-2296
Number of pages	2
Journal	Physica B: Physics of Condensed Matter
Volume	194-196
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4526(94)91647-0
State	Published - Feb 2 1994

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abstract = "We have investigated the aging of (RE)Ba2Cu3O7-x thin films using a grand canonical ensemble Monte Carlo simulation of the asymmetric next nearest neighbor Ising (ASYNNNI) model. The effect of aging is a reduction in oxygen content and hole concentration. Discrepancies exist in the calculated and experimentally observed hole concentrations, suggesting that the superconductor-insulator (S-I) transition in these films to be a mobility transition rather than being due to a reduction in the number of carriers.",

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AB - We have investigated the aging of (RE)Ba2Cu3O7-x thin films using a grand canonical ensemble Monte Carlo simulation of the asymmetric next nearest neighbor Ising (ASYNNNI) model. The effect of aging is a reduction in oxygen content and hole concentration. Discrepancies exist in the calculated and experimentally observed hole concentrations, suggesting that the superconductor-insulator (S-I) transition in these films to be a mobility transition rather than being due to a reduction in the number of carriers.

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A Monte Carlo study of aging effects observed in (RE)Ba₂Cu₃O_7-x films

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