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US 7,069,729 B2Granted
Material for magnetic refrigeration preparation and application
AssigneesStichting voor de Technische Wetenschappen, Universiteit van Amsterdam, faculteit der Natuurwetenschappen
InventorsEkkehard Hubertus Brück, Ojiyed Tegusi, Frank Roelof De Boer
Life of this patent
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Abstract
A material that can be used for magnetic refrigeration, wherein the material substantially has the general formula (AYB1−y)2+δC1−xDx) wherein A is selected from Mn and Co; B is selected from Fe and Cr; C and D are different and are selected from P, As, B, Se, Ge, Si and Sb; x and y each is a number in the range 0–1; and δ is a number from (−0.1)–(+0.1).
Claims26
A material that can be used for magnetic refrigeration, wherein the material substantially has the general formula
- (AyB1−y)2+δ(C1−xDx)
- wherein
- A is selected from Mn and Co:
- B is selected from Fe and Cr;
- C and D are different and are selected from P, As, B, Se, Ge, Si and Sb;
- x is a number in the range of greater the 0 and less than 1;
- y is a number in the range 0–1;
- and
- δ is a number from (−0.1)–(+0.1).
6 more elements
Dependencies are inferred from the claim text.