Pressure effect on competition between charge density wave and superconductivity inZrTe3: Appearance of pressure-induced reentrant superconductivity
| Autor: | Kazuhiko Yamaya, Yoshiya Uwatoko, R. Yomo, Melike Abliz, Masato Hedo |
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| Rok vydání: | 2005 |
| Předmět: |
Physics
Superconductivity Condensed matter physics Transition temperature Fermi surface Condensed Matter Physics Physics::Geophysics Electronic Optical and Magnetic Materials Condensed Matter::Materials Science Reentrancy Electrical resistivity and conductivity Condensed Matter::Superconductivity Superconducting transition temperature Condensed Matter::Strongly Correlated Electrons Charge density wave |
| Zdroj: | Physical Review B. 71 |
| ISSN: | 1550-235X 1098-0121 |
| DOI: | 10.1103/physrevb.71.132508 |
| Popis: | We report on an intricate competition between charge density wave (CDW) formation and superconductivity under pressure up to 11 GPa in the low-dimensional conductor ${\mathrm{ZrTe}}_{3}$. As pressure increases, the CDW transition temperature ${T}_{\mathrm{CDW}}$ initially increases, then begins to decrease at 2 GPa and abruptly disappears near 5 GPa. On the other hand, while the superconducting transition temperature ${T}_{\mathrm{C}}$ falls to below 1.2 K at $\ensuremath{\sim}0.5\phantom{\rule{0.3em}{0ex}}\mathrm{GPa}$ and is not observed at up to 5 GPa above 2.5 K, a superconducting transition emerges beginning at $\ensuremath{\sim}5\phantom{\rule{0.3em}{0ex}}\mathrm{GPa}$ and ${T}_{\mathrm{C}}$ increases steeply up to 11 GPa. This is an observation of pressure-induced reentrant superconductivity. The results are discussed in terms of the change in the reduced area of the Fermi surface due to CDW formation. |
| Databáze: | OpenAIRE |
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