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TUNNEL MAGNETORESISTANCE EFFECT ELEMENT, AND MAGNETIC MEMORY CELL AND RANDOM ACCESS MEMORY INCLUDING THE SAME
TUNNEL MAGNETORESISTANCE EFFECT ELEMENT, AND MAGNETIC MEMORY CELL AND RANDOM ACCESS MEMORY INCLUDING THE SAME
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机译:隧道磁阻效应元件,磁记忆单元和随机访问记忆(包括相同的内容)
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摘要
PROBLEM TO BE SOLVED: To provide a high-speed and ultra-low power consumption nonvolatile memory having high thermal stability.;SOLUTION: In a nonvolatile magnetic memory, a high-output tunnel magnetoresistance effect element in which a free layer having high thermal stability is applied is provided, and a writing method by a spin-transfer torque is applied. The tunnel magnetoresistance effect element 1 includes a free layer comprising a first ferromagnetic film 306 and a second ferromagnetic film 308, which have a body-centered cubic structure containing Co, Fe and B, and a first nonmagnetic film 307, and has a structure in which a fixed layer 3021 is stacked via an MgO insulating film 305 having a rock-salt structure (100)-oriented to the free layer.;COPYRIGHT: (C)2013,JPO&INPIT
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