scholarly journals Spin transfer in diffusive ferromagnet–normal metal systems with spin-flip scattering

2002 ◽  
Vol 66 (22) ◽  
Author(s):  
Alexey A. Kovalev ◽  
Arne Brataas ◽  
Gerrit E. W. Bauer
Keyword(s):  
Spin Transfer ◽  
Normal Metal ◽  
Spin Flip

scholarly journals Spin-flip reflection at the normal metal-spin superconductor interface

2017 ◽  
Vol 95 (10) ◽  
Author(s):  
Peng Lv ◽  
Ai-Min Guo ◽  
Huaiyu Li ◽  
Chunxiao Liu ◽  
X. C. Xie ◽  
...  
Keyword(s):  
Normal Metal ◽  
Spin Flip

scholarly journals Spin-flip scattering engendered quantum spin torque in a Josephson junction

2019 ◽  
Vol 475 (2224) ◽  
pp. 20180775
Author(s):  
Subhajit Pal ◽  
Colin Benjamin
Keyword(s):  
Josephson Junction ◽  
Exchange Coupling ◽  
Magnetic Impurity ◽  
Magnetic Moments ◽  
Quantum Spin ◽  
Spin Transfer Torque ◽  
Spin Transfer ◽  
Spin Torque ◽  
Spin Flip ◽  
Quantum Mechanism

We examine a Josephson junction with two ferromagnets and a magnetic impurity sandwiched between two superconductors. In such ferromagnetic Josephson junctions, equilibrium spin torque exists only when ferromagnets are misaligned. This is explained via the ‘conventional’ mechanism of spin transfer torque, which owes its origin to the misalignment of two ferromagnets. However, we see surprisingly when the magnetic moments of the ferromagnets are aligned parallel or anti-parallel, there is a finite equilibrium spin torque due to the quantum mechanism of spin-flip scattering. We explore the properties of this unique spin-flip scattering-induced equilibrium quantum spin torque, especially its tunability via exchange coupling and phase difference across the superconductors.

Spin-flip effects in a ferromagnetic/normal-metal island/ferromagnetic double tunnel junction system

2010 ◽  
Vol 107 (11) ◽  
pp. 114321 ◽  
Author(s):  
M. J. Ma ◽  
M. B. A. Jalil ◽  
S. G. Tan ◽  
H. Y. Meng
Keyword(s):  
Tunnel Junction ◽  
Normal Metal ◽  
Spin Flip ◽  
Metal Island
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