Papers Published

1. Hill, A.J. and Cocks, F.H. and Goesele, U.M. and Jones, P.L. and Tan, T.Y. and Kingon, A.I., Investigation of Y-Ba-Cu-O superconducting materials by positron annihilation lifetime spectroscopy, High-Temperature Superconducting Materials. Preparations, Properties, and Processing (1988), pp. 305 - 11 .
   (last updated on 2007/04/10)

   Abstract:
   Positrons can be used as a probe for crystal defects, such as vacancies. The authors use positron annihilation lifetime spectroscopy as a tool for studying the effect of oxygen vacancies on the superconducting transition of YBa₂Cu₃O_7-x

   Keywords:
   barium compounds;high-temperature superconductors;positron annihilation in liquids and solids;vacancies (crystal);yttrium compounds;