Photo-inducible magnetic exchange coupling device
First Claim
1. A magnetic device, comprising:
- a first magnetic layer;
a second magnetic layer in overlapping relation with the first magnetic layer and having a coercive force smaller than that of the first magnetic layer; and
a semiconductor layer between the first and second magnetic layers so that photo-induced magnetism occurs between the first and second magnetic layers when the semiconductor layer is irradiated with light.
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Accused Products
Abstract
A magnetic device, comprises a first magnetic layer; a second magnetic layer on the magnetic layer and having a coercive force smaller than that of the first magnetic layer; a semiconductor layer between the first and second magnetic layers so that photo-induced magnetism occurs between the first and second magnetic layers when the semiconductor layer is irradiated with light, a third magnetic layer on the second magnetic layer, the third magnetic layer having a coercive force larger than the coercive force of the second magnetic layer, and a second semiconductor layer between the second and third magnetic layers, magnetism being induced between the second and third magnetic layers when the second semiconductor layer is irradiated with light.
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Citations
17 Claims
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1. A magnetic device, comprising:
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a first magnetic layer; a second magnetic layer in overlapping relation with the first magnetic layer and having a coercive force smaller than that of the first magnetic layer; and a semiconductor layer between the first and second magnetic layers so that photo-induced magnetism occurs between the first and second magnetic layers when the semiconductor layer is irradiated with light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A magnetic device, comprising:
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a first magnetic layer; a second magnetic layer; and a semiconductor layer between the first and second magnetic layers so that photo-induced magnetism occurs between the first and second magnetic layers when the semiconductor layer is irradiated with light, at least one of the first and second magnetic layers comprising a magnetic material containing at least about 50% Co. - View Dependent Claims (14, 15, 16, 17)
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11. A magnetic device, comprising:
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a first magnetic layer; a second magnetic layer on the first magnetic layer; a first semiconductor layer between the first and second magnetic layers so that photo-induced magnetism occurs between the first and second magnetic layers when the first semiconductor layer is irradiated with light; a third magnetic layer on the second magnetic layer; and a second semiconductor layer between the second and third magnetic layers so that photo-induced magnetism occurs between the second and third magnetic layers when the second semiconductor layer is irradiated with light. - View Dependent Claims (12, 13)
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Specification