Kimball, C. W.; Matykiewicz, J. L.; Lee, H.; Giapintzakis, John; Dwight, A. E.; Dunlap, B. D.; Jorgensen, J. D.; Veal, B. W.; Fradin, F. Y. (1988)
Mössbauer effect studies have been made as a function of temperature for the orthorhombic (χ=0.01, 0.02) and tetragonal (χ=0.05) superconducting compounds YBa2(Cu1-χ57Feχ)3O7 + y. For Fe in or slightly displaced from the ...