The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 2012
Filed:
Nov. 04, 2009
Applicants:
Yoshihiko Takano, Tsukuba, JP;
Yoshikazu Mizuguchi, Tsukuba, JP;
Inventors:
Yoshihiko Takano, Tsukuba, JP;
Yoshikazu Mizuguchi, Tsukuba, JP;
Assignee:
National Institute for Materials Science, Tsukuba-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 39/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides an iron-based superconducting substance capable of bringing about superconductivity without using any toxic elements. The iron-based superconducting substance includes a composition wherein an FeTe alloy is doped with sulfur in such a way as to satisfy the following formula 1.Fe(TeS)where 0<x<1, and 0.8<y≦1   Formula 1The iron-based superconducting substance takes a tetragonal PbO structure with a space group P4/nmm.