Role of Coulomb blockade and spin-flip scattering in tunneling magnetoresistance of FeCo-Si-O nanogranular films

2011 ◽  
Vol 109 (7) ◽  
pp. 073914 ◽  
Author(s):  
Hardeep Kumar ◽  
Santanu Ghosh ◽  
Danilo Bürger ◽  
Lin Li ◽  
Shengqiang Zhou ◽  
...  
Keyword(s):  
Coulomb Blockade ◽  
Tunneling Magnetoresistance ◽  
Spin Flip

scholarly journals Role of Spin-Flip Transitions in the Anomalous Hall Effect of FePt Alloy

2011 ◽  
Vol 106 (11) ◽  
Author(s):  
Hongbin Zhang ◽  
Frank Freimuth ◽  
Stefan Blügel ◽  
Yuriy Mokrousov ◽  
Ivo Souza
Keyword(s):  
Hall Effect ◽  
Anomalous Hall Effect ◽  
Fept Alloy ◽  
Spin Flip

scholarly journals Charge localization and reentrant superconductivity in a quasi-ballistic InAs nanowire coupled to superconductors

2019 ◽  
Vol 5 (7) ◽  
pp. eaav1235 ◽  
Author(s):  
J. C. Estrada Saldaña ◽  
R. Žitko ◽  
J. P. Cleuziou ◽  
E. J. H. Lee ◽  
V. Zannier ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Coulomb Blockade ◽  
Edge States ◽  
Semiconductor Nanowire ◽  
Charge Localization ◽  
Reentrant Superconductivity ◽  
Kondo Physics ◽  
Relevant Role ◽  
The One

A semiconductor nanowire with strong spin-orbit coupling in proximity to a superconductor is predicted to display Majorana edge states emerging under a properly oriented magnetic field. The experimental investigation of these exotic states requires assessing the one-dimensional (1D) character of the nanowire and understanding the superconducting proximity effect in the presence of a magnetic field. Here, we explore the quasi-ballistic 1D transport regime of an InAs nanowire with Ta contacts. Fine-tuned by means of local gates, the observed plateaus of approximately quantized conductance hide the presence of a localized electron, giving rise to a lurking Coulomb blockade effect and Kondo physics. When Ta becomes superconducting, this local charge causes an unusual, reentrant magnetic field dependence of the supercurrent, which we ascribe to a 0 - π transition. Our results underline the relevant role of unintentional charge localization in the few-channel regime where helical subbands and Majorana quasi-particles are expected to arise.

scholarly journals Dominant role of the shear strain induced admixture in spin-flip processes in self-assembled quantum dots

2018 ◽  
Vol 97 (24) ◽  
Author(s):  
Adam Mielnik-Pyszczorski ◽  
Krzysztof Gawarecki ◽  
Michał Gawełczyk ◽  
Paweł Machnikowski
Keyword(s):  
Quantum Dots ◽  
Shear Strain ◽  
Dominant Role ◽  
Spin Flip ◽  
Self Assembled

Role of Spin-Flip Exchange Scattering for Hot-Electron Lifetimes in Cobalt

2011 ◽  
Vol 107 (2) ◽  
Author(s):  
A. Goris ◽  
K. M. Döbrich ◽  
I. Panzer ◽  
A. B. Schmidt ◽  
M. Donath ◽  
...  
Keyword(s):  
Hot Electron ◽  
Spin Flip ◽  
Exchange Scattering

scholarly journals Role of a spin-flip scatterer in a magnetized Luttinger liquid

2007 ◽  
Vol 76 (20) ◽  
Author(s):  
M. A. N. Araújo ◽  
J. Berakdar ◽  
V. K. Dugaev ◽  
V. R. Vieira
Keyword(s):  
Luttinger Liquid ◽  
Spin Flip

scholarly journals Critical role of intermediate electronic states for spin-flip processes in charge-transfer-type organic molecules with multiple donors and acceptors

2019 ◽  
Vol 18 (10) ◽  
pp. 1084-1090 ◽  
Author(s):  
Hiroki Noda ◽  
Xian-Kai Chen ◽  
Hajime Nakanotani ◽  
Takuya Hosokai ◽  
Momoka Miyajima ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Organic Molecules ◽  
Critical Role ◽  
Electronic States ◽  
Spin Flip ◽  
Multiple Donors
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