Abstract
Spin imbalance can lead to suppression of superconductivity. We report the phenomena manifesting this effect under spin-polarized quasiparticle currents in ferromagnet-superconductor-ferromagnet single-electron transistors. The measured superconducting gap as a function of magnetic field reveals a dramatic decrease when the magnetizations of the two leads are misaligned. The effect of suppression increases with increasing source-drain voltage. A comparison with theoretical calculations is presented. This method may render it applicable to control superconductivity at low temperatures within low fields.
| Original language | English |
|---|---|
| Number of pages | 1 |
| Journal | Physical Review Letters |
| Volume | 88 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2002 Jan 1 |
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All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)
Cite this
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Evidence for Suppression of Superconductivity by Spin Imbalance in Co-Al-Co Single-Electron Transistors. / Chen, C. D.; Kuo, Watson; Chung, D. S.; Shyu, J. H.; Wu, C. S.; Kuo, Watson; Shyu, J. H.
In: Physical Review Letters, Vol. 88, No. 4, 01.01.2002.Research output: Contribution to journal › Article
TY - JOUR
T1 - Evidence for Suppression of Superconductivity by Spin Imbalance in Co-Al-Co Single-Electron Transistors
AU - Chen, C. D.
AU - Kuo, Watson
AU - Chung, D. S.
AU - Shyu, J. H.
AU - Wu, C. S.
AU - Kuo, Watson
AU - Shyu, J. H.
PY - 2002/1/1
Y1 - 2002/1/1
N2 - Spin imbalance can lead to suppression of superconductivity. We report the phenomena manifesting this effect under spin-polarized quasiparticle currents in ferromagnet-superconductor-ferromagnet single-electron transistors. The measured superconducting gap as a function of magnetic field reveals a dramatic decrease when the magnetizations of the two leads are misaligned. The effect of suppression increases with increasing source-drain voltage. A comparison with theoretical calculations is presented. This method may render it applicable to control superconductivity at low temperatures within low fields.
AB - Spin imbalance can lead to suppression of superconductivity. We report the phenomena manifesting this effect under spin-polarized quasiparticle currents in ferromagnet-superconductor-ferromagnet single-electron transistors. The measured superconducting gap as a function of magnetic field reveals a dramatic decrease when the magnetizations of the two leads are misaligned. The effect of suppression increases with increasing source-drain voltage. A comparison with theoretical calculations is presented. This method may render it applicable to control superconductivity at low temperatures within low fields.
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U2 - 10.1103/PhysRevLett.88.047004
DO - 10.1103/PhysRevLett.88.047004
M3 - Article
AN - SCOPUS:85038284260
VL - 88
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 4
ER -