Memory material and method for its manufacture

B - Operations – Transporting – 32 – B

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B32B 15/04 (2006.01) G11B 5/66 (2006.01) H01L 21/00 (2006.01) H01L 27/105 (2006.01)

Patent

CA 2175044

A composition of materials having ferromagnetic and piezoelectric properties is disclosed. In the preferred embodiment, the composition of materials comprises a first layer (100) of Pb(1-x-y)CdxFey and a second layer (110) of Cr(1-z-w)ZnzTew where x, y, z and w are values within the ranges of 0.38 < x < 0.042, 0.08 < y < 0.094, 0.38 < z < 0.41, 0.28 < w < 0.31 and 0.25 < (1-z-w) < 0.32. Additionally, each of the layers (100, 110) contain the elements of Bi, O and S.

On décrit une composition de matériaux à propriétés ferromagnétiques et piézoélectriques. Dans la variante préférée, cette composition comprend une première couche (100) de Pb¿(1-x-y)?Cd¿x?Fe¿y? et une deuxième couche (110) de Cr¿(1-z-w)?Zn¿z?Te¿w?, où x, y, z et w sont des valeurs telles que 0,38 < x < 0,042, 0,08 < y < 0,094, 0,38 < z < 0,41, 0,28 < w < 0,31 et 0,25 < (1-z-w) < 0,32. De plus, chaque couche (100, 110) contient les éléments Bi, O et S.

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