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115In-NQR Study of Heavy-Fermion Superconductors Ce2MIn8 (M = Co, Rh)
Ce2MIn8 (M=Co, Rh) are heavy-fermion compounds: at ambient pressure, Ce2CoIn8 is a superconductor with TSC=0.4 K and Ce2RhIn8 is an antiferromagnet with TN=2.8 K and Ce2RhIn8 becomes superconducting below 1.4 K at 2.0 GPa. Their crystal structure can be viewed as successive layers of the heavy-fermi...
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| Published in: | Journal of the Physical Society of Japan 2007-12, Vol.76 (12) |
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| Main Authors: | , , , , , , , |
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| Language: | English |
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| container_issue | 12 |
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| container_title | Journal of the Physical Society of Japan |
| container_volume | 76 |
| creator | FUKAZAWA, Hideto OKAZAKI, Taishi HIRAYAMA, Kenji KOHORI, Yoh CHEN, Genfu OHARA, Shigeo SAKAMOTO, Isao MATSUMOTO, Takehiko |
| description | Ce2MIn8 (M=Co, Rh) are heavy-fermion compounds: at ambient pressure, Ce2CoIn8 is a superconductor with TSC=0.4 K and Ce2RhIn8 is an antiferromagnet with TN=2.8 K and Ce2RhIn8 becomes superconducting below 1.4 K at 2.0 GPa. Their crystal structure can be viewed as successive layers of the heavy-fermion compounds CeMIn5 and CeIn3. In order to determine their physical properties, we perform a nuclear quadrupole resonance (NQR) measurement of 115In nuclei of Ce2MIn8. The spin-lattice relaxation rate 1/T1 of Ce2CoIn8 decreases with decreasing temperature T and is proportional to T through TSC. This is in contrast to the T1/2 dependence of the 1/T1 of pressurized Ce2RhIn8 above TSC. |
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Their crystal structure can be viewed as successive layers of the heavy-fermion compounds CeMIn5 and CeIn3. In order to determine their physical properties, we perform a nuclear quadrupole resonance (NQR) measurement of 115In nuclei of Ce2MIn8. The spin-lattice relaxation rate 1/T1 of Ce2CoIn8 decreases with decreasing temperature T and is proportional to T through TSC. 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Their crystal structure can be viewed as successive layers of the heavy-fermion compounds CeMIn5 and CeIn3. In order to determine their physical properties, we perform a nuclear quadrupole resonance (NQR) measurement of 115In nuclei of Ce2MIn8. The spin-lattice relaxation rate 1/T1 of Ce2CoIn8 decreases with decreasing temperature T and is proportional to T through TSC. 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Their crystal structure can be viewed as successive layers of the heavy-fermion compounds CeMIn5 and CeIn3. In order to determine their physical properties, we perform a nuclear quadrupole resonance (NQR) measurement of 115In nuclei of Ce2MIn8. The spin-lattice relaxation rate 1/T1 of Ce2CoIn8 decreases with decreasing temperature T and is proportional to T through TSC. This is in contrast to the T1/2 dependence of the 1/T1 of pressurized Ce2RhIn8 above TSC.</abstract><cop>Tokyo</cop><pub>Institute of Pure and Applied Physics</pub></addata></record> |
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| identifier | ISSN: 0031-9015 |
| ispartof | Journal of the Physical Society of Japan, 2007-12, Vol.76 (12) |
| issn | 0031-9015 1347-4073 |
| language | eng |
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| source | American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list) |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Heavy-fermion superconductors Physics Properties of type I and type II superconductors Response to electromagnetic fields (nuclear magnetic resonance, surface impedance, etc.) Superconducting materials (excluding high-tc compounds) Superconductivity |
| title | 115In-NQR Study of Heavy-Fermion Superconductors Ce2MIn8 (M = Co, Rh) |
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