Material for magnetic refrigeration, preparation and...

Details Material for magnetic refrigeration, preparation and... Material for magnetic refrigeration, preparation and...

H - Electricity

01

F

H01F 1/01 (2006.01) F25B 21/00 (2006.01)

Patent

CA 2454440

The invention relates to a material that can be used for magnetic refrigeration, wherein the material substantially has the general formula (AYB1-Y)2+.DELTA.(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; and x and y each is a number in the range 0 - 1, and .DELTA. is a number from (-0.1) (+0.1).

La présente invention concerne un matériau qui convient pour la réfrigération magnétique. Ce matériau est représenté en substance par la formule générale suivante : (A ¿y?B ¿1-y?) ¿2+.DELTA.? (C¿1-x?D¿x?). Dans cette formule, A est sélectionné parmi Mn et Co, B est sélectionné parmi Fe et Cr, C et D sont différents et sont sélectionnés parmi P, As, B, Se, Ge, Si et Sb et x et y sont chacun un nombre compris entre 0 et 1, .DELTA. est un nombre compris entre (-0,1) et (+0,1)

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