Accession Number : AD0698269

Title :   EVIDENCE FOR A SECOND ENERGY GAP IN SUPERCONDUCTING NIOBIUM.

Descriptive Note : Technical rept.,

Corporate Author : MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF METALLURGY AND MATERIALS SCIENCE

Personal Author(s) : Hafstrom,John W. ; Rose,Robert M. ; MacVicar,M. L. A.

Report Date : NOV 1969

Pagination or Media Count : 8

Abstract : Tunneling measurements on superconducting Nb single crystals indicate the existence of a second energy gap for superconductivity, about 1/10 the width of the larger one, and independent of temperature between 0.48 and 4.2 degrees K. (Author)

Descriptors :   (*SUPERCONDUCTORS, BAND THEORY OF SOLIDS), (*NIOBIUM, *TUNNELING(ELECTRONICS)), SINGLE CRYSTALS, METAL FILMS, INTERFACES

Subject Categories : Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE