Thermal Diffusivity of the Mott Insulator Ca<sub>2</sub>RuO<sub>4</sub> in a Non-equilibrium Steady State
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- タイトル別名
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- Thermal Diffusivity of the Mott Insulator Ca2RuO4 in a Non-equilibrium Steady State
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We have measured and analyzed the in-plane thermal diffusivity of the Mott insulator Ca2RuO4 around room temperature under external currents with an infrared camera as a contactless thermometer. We find that the thermal diffusivity decreases by 40% for an external current density of 14 A/cm^2. This large impact on lattice properties highly nontrivial in the sense that the external current primarily affects the electronic states. A possible explanation for this is discussed.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 90 (6), 063601-, 2021-06-15
日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1050853334087362048
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- NII論文ID
- 120007175357
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- NII書誌ID
- AA00704814
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- ISSN
- 13474073
- 00319015
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- HANDLE
- 2237/0002001710
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- NDL書誌ID
- 031500359
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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