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Defect Properties of High Temperature Superconductors Probed by Positrons
Published online by Cambridge University Press: 28 February 2011
Abstract
Measurements of electron momentum density by positron annihilation are influenced by thepresence of defects in superconducting oxides. Both lifetime and Doppler broadening measurements are sensitive to the superconducting transition. Possible candidates for the defect species are discussed along with their role in modifying the positron response.
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- Copyright © Materials Research Society 1989
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