Optical measurements of the superconducting gap in MgB2
B. Gorshunov
1
,
C. A. Kuntscher
1
,
P Haas
1
,
M. Dressel
1
,
F. P. Mena
2
,
A B Kuzmenko
2
,
D. Van Der Marel
2
,
T. MURANAKA
3
,
J. AKIMITSU
3
2
Laboratory of Solid State Physics, Materials Science Centre, Groningen, The Netherlands
|
Publication type: Journal Article
Publication date: 2001-05-01
scimago Q3
wos Q3
SJR: 0.377
CiteScore: 3.1
Impact factor: 1.7
ISSN: 14346028, 14346036
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
Far-infrared reflectivity studies on the polycrystalline intermetallic compound MgB2 with a superconducting transition temperature T c = 39 K were performed at temperatures 20 K to 300 K. We observe a significant raise of the superconducting-to-normal state reflectivity ratio below 70 cm -1 , with a maximum at about 25-30 cm -1 , which gives a lower estimate of the superconducting gap of 2Δ(0) ≈ 3-4 meV.
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28
Total citations:
28
Citations from 2024:
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Gorshunov B. et al. Optical measurements of the superconducting gap in MgB2 // European Physical Journal B. 2001. Vol. 21. No. 2. pp. 159-161.
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Gorshunov B., Kuntscher C. A., Haas P., Dressel M., Mena F. P., Kuzmenko A. B., Van Der Marel D., MURANAKA T., AKIMITSU J. Optical measurements of the superconducting gap in MgB2 // European Physical Journal B. 2001. Vol. 21. No. 2. pp. 159-161.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1007/s100510170191
UR - https://doi.org/10.1007/s100510170191
TI - Optical measurements of the superconducting gap in MgB2
T2 - European Physical Journal B
AU - Gorshunov, B.
AU - Kuntscher, C. A.
AU - Haas, P
AU - Dressel, M.
AU - Mena, F. P.
AU - Kuzmenko, A B
AU - Van Der Marel, D.
AU - MURANAKA, T.
AU - AKIMITSU, J.
PY - 2001
DA - 2001/05/01
PB - Springer Nature
SP - 159-161
IS - 2
VL - 21
SN - 1434-6028
SN - 1434-6036
ER -
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BibTex (up to 50 authors)
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@article{2001_Gorshunov,
author = {B. Gorshunov and C. A. Kuntscher and P Haas and M. Dressel and F. P. Mena and A B Kuzmenko and D. Van Der Marel and T. MURANAKA and J. AKIMITSU},
title = {Optical measurements of the superconducting gap in MgB2},
journal = {European Physical Journal B},
year = {2001},
volume = {21},
publisher = {Springer Nature},
month = {may},
url = {https://doi.org/10.1007/s100510170191},
number = {2},
pages = {159--161},
doi = {10.1007/s100510170191}
}
Cite this
MLA
Copy
Gorshunov, B., et al. “Optical measurements of the superconducting gap in MgB2.” European Physical Journal B, vol. 21, no. 2, May. 2001, pp. 159-161. https://doi.org/10.1007/s100510170191.
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