LAMINATE AND MAGNETIC DEVICE

• Main Authors: NOMOTO RINA, TSUKAGOSHI TAKAYUKI, TOKO MASARU, KAI TADASHI, NAKASAKI YASUSHI, ISHIHARA TAKAMITSU
• Format: Patent
• Language: English; Japanese
• Published: 07.01.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

To provide a laminate in which intensity of interlayer exchange coupling is furthermore increased, and a magnetic device using the laminate.SOLUTION: A laminate 7 includes: a first magnetic substance 2; a second magnetic substance 4; and a first nonmagnetic substance arranged between the first magnetic substance 2 and the second magnetic substance 4 and containing at least one metal element (M1) selected from a group consisting of ruthenium (Ru) and osmium (Os) and at least one second metal element (M2) selected from a group consisting of rhodium (Rh) and iridium (Ir). A magnetic device 1 includes a third magnetic substance 6, the laminate 7, and a second nonmagnetic substance 5 arranged between the third magnetic substance 6 and the laminate 7.SELECTED DRAWING: Figure 1 【課題】層間交換結合の強度をより一層増大させた積層体、及びそれを用いた磁気デバイスを提供する。【解決手段】実施形態の積層体７は、第１の磁性体２と、第２の磁性体４と、第１の磁性体２と第２の磁性体４との間に配置され、ルテニウム（Ｒｕ）及びオスミウム（Ｏｓ）からなる群より選ばれる少なくとも１つの第１の金属元素（Ｍ１）とロジウム（Ｒｈ）及びイリジウム（Ｉｒ）からなる群より選ばれる少なくとも１つの第２の金属元素（Ｍ２）とを含む第１の非磁性体とを具備する。実施形態の磁気デバイス１は、第３の磁性体６と、積層体７と、第３の磁性体６と積層体７との間に配置された第２の非磁性体５とを具備する。【選択図】図１