Document Type

Patent

Publication Date

10-3-2006

Abstract

An alloy made of heat treated material represented by Gd5(SixGe1−x)4 where 0.47≦x≦0.56 that exhibits a magnetic entropy change (−ΔSm) of at least 16 J/kg K, a magnetostriction of at least 2000 parts per million, and a magnetoresistance of at least 5 percent at a temperature of about 300K and below, and method of heat treating the material between 800 to 1600 degrees C. for a time to this end.

Patent Number

US 7,114,340 B2

Assignee

Iowa State University Research Foundation, Inc.

Application Number

US 10/413,417

Date Filed

4-14-2003

Language

en

File Format

application/pdf

Included in

Metallurgy Commons

Share

COinS