Superconductivity Induced by Bond Breaking in the Triangular Lattice of IrTe<sub>2</sub>
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- タイトル別名
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- Superconductivity Induced by Bond Breaking in the Triangular Lattice of IrTe2
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IrTe2, a layered compound with a triangular iridium lattice, exhibits a structural phase transition at approximately 250 K. This transition is characterized by the formation of Ir-Ir bonds along the b-axis. We found that the breaking of Ir-Ir bonds that occurs in Ir1-xPtxTe2 results in the appearance of a structural critical point in the T = 0 limit at x(c) similar or equal to 0.035. Although both IrTe2 and PtTe2 are paramagnetic metals, superconductivity at T-c = 3.1 K is induced by the bond breaking in a narrow range of x >= x(c) in Ir1-xPtxTe2. This result indicates that structural fluctuations can be involved in the emergence of superconductivity.
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 81 (5), 053701-1-053701-4, 2012-04-06
The Physical Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1050283687312519808
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- NII論文ID
- 120004897836
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- NII書誌ID
- AA00704814
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- ISSN
- 00319015
- 13474073
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- NDL書誌ID
- 023625041
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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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