Abstract
The electrical conductance of cobalt (Co) nano-scale contacts prepared by a Mechanically Controllable Break Junction (MCBJ) technique has been studied to understand the origin of Fano resonance in ferromagnetic atomic-sized contacts. In an atomic-scale contacts, the zero-bias anomaly is well-fitted by the Fano formula. The characteristic temperature, which is introduced as the fitting parameter of that formula, exhibits the log-normal distribution. These indicate that the anomaly is likely caused by Kondo effect. Moreover, the zero-bias anomaly is observed in large scale contacts where the bulk ferromagnetic properties should be retained. This suggests the coexistence of Kondo effect and ferromagnetism.
| Original language | English |
|---|---|
| Article number | 082002 |
| Journal | Journal of Physics: Conference Series |
| Volume | 807 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - Apr 6 2017 |
| Event | 18th International Conference on Strongly Correlated Electron Systems, SCES 2016 - Hangzhou, China Duration: May 9 2016 → May 13 2016 |
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All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)
Cite this
Kondo-Fano resonance in atomic-scale contacts for ferromagnetic metals. / Islam, M. S.; Takata, H.; Ueno, Y.; Ienaga, K.; Inagaki, Y.; Tsujii, H.; Kawae, T.
In: Journal of Physics: Conference Series, Vol. 807, No. 8, 082002, 06.04.2017.Research output: Contribution to journal › Conference article
}
TY - JOUR
T1 - Kondo-Fano resonance in atomic-scale contacts for ferromagnetic metals
AU - Islam, M. S.
AU - Takata, H.
AU - Ueno, Y.
AU - Ienaga, K.
AU - Inagaki, Y.
AU - Tsujii, H.
AU - Kawae, T.
PY - 2017/4/6
Y1 - 2017/4/6
N2 - The electrical conductance of cobalt (Co) nano-scale contacts prepared by a Mechanically Controllable Break Junction (MCBJ) technique has been studied to understand the origin of Fano resonance in ferromagnetic atomic-sized contacts. In an atomic-scale contacts, the zero-bias anomaly is well-fitted by the Fano formula. The characteristic temperature, which is introduced as the fitting parameter of that formula, exhibits the log-normal distribution. These indicate that the anomaly is likely caused by Kondo effect. Moreover, the zero-bias anomaly is observed in large scale contacts where the bulk ferromagnetic properties should be retained. This suggests the coexistence of Kondo effect and ferromagnetism.
AB - The electrical conductance of cobalt (Co) nano-scale contacts prepared by a Mechanically Controllable Break Junction (MCBJ) technique has been studied to understand the origin of Fano resonance in ferromagnetic atomic-sized contacts. In an atomic-scale contacts, the zero-bias anomaly is well-fitted by the Fano formula. The characteristic temperature, which is introduced as the fitting parameter of that formula, exhibits the log-normal distribution. These indicate that the anomaly is likely caused by Kondo effect. Moreover, the zero-bias anomaly is observed in large scale contacts where the bulk ferromagnetic properties should be retained. This suggests the coexistence of Kondo effect and ferromagnetism.
UR - http://www.scopus.com/inward/record.url?scp=85018247209&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85018247209&partnerID=8YFLogxK
U2 - 10.1088/1742-6596/807/8/082002
DO - 10.1088/1742-6596/807/8/082002
M3 - Conference article
AN - SCOPUS:85018247209
VL - 807
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
SN - 1742-6588
IS - 8
M1 - 082002
ER -