Low-temperature thermal transport measurements of oxygen-annealed Yb2Ti2O7
Low-temperature thermal conductivity measurements have been conducted on an oxygen-annealed single crystal of Yb2Ti2O7 from 60 mK to 50 K and in magnetic fields up to 8 T applied in the [111] crystallographic direction. The temperature dependence of the conductivity in zero field shows a significant...
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| Veröffentlicht in: | Physical review. B 2020-07, Vol.102 (1), p.1 |
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| container_title | Physical review. B |
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| creator | Toews, W H Reid, J A Thompson, J D Prabhakaran, D Coldea, R Hill, R W |
| description | Low-temperature thermal conductivity measurements have been conducted on an oxygen-annealed single crystal of Yb2Ti2O7 from 60 mK to 50 K and in magnetic fields up to 8 T applied in the [111] crystallographic direction. The temperature dependence of the conductivity in zero field shows a significant peak in thermal conductivity at T∼13 K and a sharp anomaly at Tc∼0.2 K suggesting that the sample's behavior is representative of the high-purity limit, with low levels of disorder. The magnetic field dependence of the thermal conductivity close to Tc reveals a reentrant magnetic phase for a field in the [111] direction. With this information, analysis of the very low magnetic field behavior of the thermal conductivity suggests the presence of significant fluctuations close to the phase line. |
| doi_str_mv | 10.1103/PhysRevB.102.014434 |
| format | Article |
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The temperature dependence of the conductivity in zero field shows a significant peak in thermal conductivity at T∼13 K and a sharp anomaly at Tc∼0.2 K suggesting that the sample's behavior is representative of the high-purity limit, with low levels of disorder. The magnetic field dependence of the thermal conductivity close to Tc reveals a reentrant magnetic phase for a field in the [111] direction. With this information, analysis of the very low magnetic field behavior of the thermal conductivity suggests the presence of significant fluctuations close to the phase line.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.102.014434</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Annealing ; Crystallography ; Heat conductivity ; Heat transfer ; Low temperature ; Magnetic fields ; Single crystals ; Temperature dependence ; Thermal conductivity</subject><ispartof>Physical review. 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With this information, analysis of the very low magnetic field behavior of the thermal conductivity suggests the presence of significant fluctuations close to the phase line.</description><subject>Annealing</subject><subject>Crystallography</subject><subject>Heat conductivity</subject><subject>Heat transfer</subject><subject>Low temperature</subject><subject>Magnetic fields</subject><subject>Single crystals</subject><subject>Temperature dependence</subject><subject>Thermal conductivity</subject><issn>2469-9950</issn><issn>2469-9969</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNo9jUtLAzEURoMoWGp_gZuA64w3j0nIUotPBipSF65KJnNjLfMyyaj99xYUV9-BA-cj5JxDwTnIy6ftPj3j53XBQRTAlZLqiMyE0pZZq-3xP5dwShYp7QCAa7AG7Iw8VsMXy9iNGF2eItK8xdi5lubo-jQOMdMOXTqYDvuc6BDo8L1_w565vkfXYkNfa7F-FytzRk6CaxMu_nZOXm5v1st7Vq3uHpZXFRs5l5kZr2rXaO8bqA0EAGFFI6TRhnvugkKFCLX0pQzg0IMKTpY8gEcpa6-cnJOL3-4Yh48JU97shin2h8uNUBIUaFtq-QPW51Kk</recordid><startdate>20200720</startdate><enddate>20200720</enddate><creator>Toews, W H</creator><creator>Reid, J A</creator><creator>Thompson, J D</creator><creator>Prabhakaran, D</creator><creator>Coldea, R</creator><creator>Hill, R W</creator><general>American Physical Society</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20200720</creationdate><title>Low-temperature thermal transport measurements of oxygen-annealed Yb2Ti2O7</title><author>Toews, W H ; Reid, J A ; Thompson, J D ; Prabhakaran, D ; Coldea, R ; Hill, R W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p113t-7c4bad6ccd0b70f00292d237671c1af4e4ee0b3c53f0aec04fa351f0ce33bc4a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Annealing</topic><topic>Crystallography</topic><topic>Heat conductivity</topic><topic>Heat transfer</topic><topic>Low temperature</topic><topic>Magnetic fields</topic><topic>Single crystals</topic><topic>Temperature dependence</topic><topic>Thermal conductivity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Toews, W H</creatorcontrib><creatorcontrib>Reid, J A</creatorcontrib><creatorcontrib>Thompson, J D</creatorcontrib><creatorcontrib>Prabhakaran, D</creatorcontrib><creatorcontrib>Coldea, R</creatorcontrib><creatorcontrib>Hill, R W</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Toews, W H</au><au>Reid, J A</au><au>Thompson, J D</au><au>Prabhakaran, D</au><au>Coldea, R</au><au>Hill, R W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low-temperature thermal transport measurements of oxygen-annealed Yb2Ti2O7</atitle><jtitle>Physical review. B</jtitle><date>2020-07-20</date><risdate>2020</risdate><volume>102</volume><issue>1</issue><spage>1</spage><pages>1-</pages><issn>2469-9950</issn><eissn>2469-9969</eissn><abstract>Low-temperature thermal conductivity measurements have been conducted on an oxygen-annealed single crystal of Yb2Ti2O7 from 60 mK to 50 K and in magnetic fields up to 8 T applied in the [111] crystallographic direction. The temperature dependence of the conductivity in zero field shows a significant peak in thermal conductivity at T∼13 K and a sharp anomaly at Tc∼0.2 K suggesting that the sample's behavior is representative of the high-purity limit, with low levels of disorder. The magnetic field dependence of the thermal conductivity close to Tc reveals a reentrant magnetic phase for a field in the [111] direction. With this information, analysis of the very low magnetic field behavior of the thermal conductivity suggests the presence of significant fluctuations close to the phase line.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.102.014434</doi></addata></record> |
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| subjects | Annealing Crystallography Heat conductivity Heat transfer Low temperature Magnetic fields Single crystals Temperature dependence Thermal conductivity |
| title | Low-temperature thermal transport measurements of oxygen-annealed Yb2Ti2O7 |
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