| Autor: |
Tsoi, Georgiy M., Malone, Walter, Uhoya, Walter, Mitchel, Jonathan E., Vohra, Yogesh K., Wenger, Lowell E., Sefat, Athena S., Weir, S. T . |
| Rok vydání: |
2012 |
| Předmět: |
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| Zdroj: |
J. Phys.: Condens. Matter 24 495702 (2012) |
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1088/0953-8984/24/49/49570 |
| Popis: |
High-pressure electrical resistance measurements have been performed on single crystal Ba0.5Sr0.5Fe2As2 platelets to pressures of 16 GPa and temperatures down to 10 K using designer diamond anvils under quasi-hydrostatic conditions with an insulating steatite pressure medium. The resistance measurements show evidence of pressure-induced superconductivity with an onset transition temperature at ~31 K and zero resistance at ~22 K for a pressure of 3.3 GPa. The transition temperature decreases gradually with increasing in pressure before completely disappearing for pressures above 12 GPa. The present results provide experimental evidence that a solid solution of two 122-type materials, e.g., Ba1-x.SrxFe2As2 (0 < x <1), can also exhibit superconductivity under high pressure |
| Databáze: |
arXiv |
| Externí odkaz: |
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