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Journal Club

Journal Club. Huanlong. Time-resolved experiments to determine: Spin polarization ( P ) Intrinsic Gilbert damping ( α ) Nonadiabatic STT coefficient ( β ). Experimental setup. magnetostatic surface wave (MSSW). Current pulse to reduce Joule heating. 20 GHz sampling | 8 GHz real-time.

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Journal Club

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  1. Journal Club Huanlong Journal Club

  2. Time-resolved experiments to determine: • Spin polarization (P) • Intrinsic Gilbert damping (α) • Nonadiabatic STT coefficient (β) Journal Club

  3. Experimental setup magnetostatic surface wave (MSSW) Current pulse to reduce Joule heating 20 GHz sampling | 8 GHz real-time 100 kHz repetition frequency Generate magnetostatic surface wave Journal Club

  4. Measurement scheme: j = 0 damping Journal Club

  5. Measurement scheme: j0 polarization Nonadiabatic STT coefficient Journal Club

  6. Results Journal Club

  7. Theory (derivation) magnetostatic surface wave (MSSW) 1 2 1 2 3 3 Bring to (Maxwell’s equation) + boundary condition @  d / 2: 4 Journal Club

  8. Theory (derivation) II Let and collect imaginary part from : 4 when: Journal Club

  9. Thank you ! Journal Club

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