Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High Pressures
New insight into the superconducting properties of <i>HgBa<sub>2</sub>CuO<sub>4</sub></i> (<i>Hg-1201</i>) cuprates is provided by combined measurements of electrical resistivity and single crystal X-ray diffraction under pressure. The changes induced...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-07-01
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| Series: | Condensed Matter |
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| Online Access: | https://www.mdpi.com/2410-3896/6/3/25 |
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| author | Manuel Izquierdo Daniele C. Freitas Dorothée Colson Gastón Garbarino Anne Forget Helène Raffy Jean-Paul Itié Sylvain Ravy Pierre Fertey Manuel Núñez-Regueiro |
| author_facet | Manuel Izquierdo Daniele C. Freitas Dorothée Colson Gastón Garbarino Anne Forget Helène Raffy Jean-Paul Itié Sylvain Ravy Pierre Fertey Manuel Núñez-Regueiro |
| author_sort | Manuel Izquierdo |
| collection | DOAJ |
| description | New insight into the superconducting properties of <i>HgBa<sub>2</sub>CuO<sub>4</sub></i> (<i>Hg-1201</i>) cuprates is provided by combined measurements of electrical resistivity and single crystal X-ray diffraction under pressure. The changes induced by increasing pressure up to 20 GPa in optimally doped single crystals were investigated. The resistivity measurements as a function of temperature show a metallic behavior up to ~10 GPa that gradually passes into an insulating state, typical of charge ordering, which totally suppresses superconductivity above 13 GPa. The changes in resistivity are accompanied by the apparition of sharp Bragg peaks in the X-ray diffraction patterns, indicating that the charge ordering is accompanied by a 3D oxygen ordering. Considering that pressure induces a charge transfer of about 0.02 at 10 GPa, our results are the first observation of charge order competing with superconductivity developed in the overdoped region of the phase diagram of a Hg-based cuprate. |
| first_indexed | 2024-03-10T07:47:28Z |
| format | Article |
| id | doaj.art-76d1bbddacc842b2bd021590ecbc5a98 |
| institution | Directory Open Access Journal |
| issn | 2410-3896 |
| language | English |
| last_indexed | 2024-03-10T07:47:28Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Condensed Matter |
| spelling | doaj.art-76d1bbddacc842b2bd021590ecbc5a982023-11-22T12:33:36ZengMDPI AGCondensed Matter2410-38962021-07-01632510.3390/condmat6030025Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High PressuresManuel Izquierdo0Daniele C. Freitas1Dorothée Colson2Gastón Garbarino3Anne Forget4Helène Raffy5Jean-Paul Itié6Sylvain Ravy7Pierre Fertey8Manuel Núñez-Regueiro9European XFEL GmbH, Albert Einstein Ring 19, 22761 Hamburg, GermanyCentro Brasileiro de Pesquisas Fisicas, Rua Dr. Xavier Sigaud, 150, Urca, Rio de Janeiro 22290-180, RJ, BrazilCEA, Université Paris-Saclay, Centre National de la Recherche Scientifique, SPEC, 91191 Gif-sur-Yvette, FranceEuropean Synchrotron Radiation Facility (ESRF), BP 220, CEDEX 9, 38043 Grenoble, FranceCEA, Université Paris-Saclay, Centre National de la Recherche Scientifique, SPEC, 91191 Gif-sur-Yvette, FranceLaboratoire de Physique des Solides, Université Paris-Sud 11, Centre National de la Recherche Scientifique, CEDEX, 91405 Orsay, FranceSynchrotron SOLEIL, CEDEX, 91192 Gif-sur-Yvette, FranceSynchrotron SOLEIL, CEDEX, 91192 Gif-sur-Yvette, FranceSynchrotron SOLEIL, CEDEX, 91192 Gif-sur-Yvette, FranceCentro Brasileiro de Pesquisas Fisicas, Rua Dr. Xavier Sigaud, 150, Urca, Rio de Janeiro 22290-180, RJ, BrazilNew insight into the superconducting properties of <i>HgBa<sub>2</sub>CuO<sub>4</sub></i> (<i>Hg-1201</i>) cuprates is provided by combined measurements of electrical resistivity and single crystal X-ray diffraction under pressure. The changes induced by increasing pressure up to 20 GPa in optimally doped single crystals were investigated. The resistivity measurements as a function of temperature show a metallic behavior up to ~10 GPa that gradually passes into an insulating state, typical of charge ordering, which totally suppresses superconductivity above 13 GPa. The changes in resistivity are accompanied by the apparition of sharp Bragg peaks in the X-ray diffraction patterns, indicating that the charge ordering is accompanied by a 3D oxygen ordering. Considering that pressure induces a charge transfer of about 0.02 at 10 GPa, our results are the first observation of charge order competing with superconductivity developed in the overdoped region of the phase diagram of a Hg-based cuprate.https://www.mdpi.com/2410-3896/6/3/25superconducting cuprateshigh pressureelectrical resistivityX-ray crystallographycharge density waves |
| spellingShingle | Manuel Izquierdo Daniele C. Freitas Dorothée Colson Gastón Garbarino Anne Forget Helène Raffy Jean-Paul Itié Sylvain Ravy Pierre Fertey Manuel Núñez-Regueiro Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High Pressures Condensed Matter superconducting cuprates high pressure electrical resistivity X-ray crystallography charge density waves |
| title | Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High Pressures |
| title_full | Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High Pressures |
| title_fullStr | Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High Pressures |
| title_full_unstemmed | Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High Pressures |
| title_short | Charge Order and Suppression of Superconductivity in HgBa<sub>2</sub>CuO<sub>4+d</sub> at High Pressures |
| title_sort | charge order and suppression of superconductivity in hgba sub 2 sub cuo sub 4 d sub at high pressures |
| topic | superconducting cuprates high pressure electrical resistivity X-ray crystallography charge density waves |
| url | https://www.mdpi.com/2410-3896/6/3/25 |
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