| ชื่อเรื่อง | : | Penetration depth study of LaOs4Sb12 : multiband s-wave superconductivity |
| นักวิจัย | : | Tee, X. Y. , Luo, H. G. , Xiang, T. , Vandervelde, D. , Salamon, M. B. , Sugawara, H. , Sato, H. , Panagopoulos, Christos , Chia, Elbert E. M. |
| คำค้น | : | DRNTU::Science::Physics::Electricity and magnetism. |
| หน่วยงาน | : | Nanyang Technological University, Singapore |
| ผู้ร่วมงาน | : | - |
| ปีพิมพ์ | : | 2555 |
| อ้างอิง | : | Tee, X. Y., Luo, H. G., Xiang, T., Vandervelde, D., Salamon, M. B., Sugawara, H., et al. (2012). Penetration depth study of LaOs4Sb12 : multiband s-wave superconductivity. Physical Review B, 86(6), 064518-. , http://hdl.handle.net/10220/9243 , http://dx.doi.org/10.1103/PhysRevB.86.064518 |
| ที่มา | : | - |
| ความเชี่ยวชาญ | : | - |
| ความสัมพันธ์ | : | Physical review B |
| ขอบเขตของเนื้อหา | : | - |
| บทคัดย่อ/คำอธิบาย | : | We measured the magnetic penetration depth λ(T) in single crystals of LaOs4Sb12 (Tc=0.74 K) down to 85 mK using a tunnel-diode-oscillator technique. The observed low-temperature exponential dependence indicates an s-wave gap. Fitting the low-temperature data to a BCS s-wave expression gives the zero-temperature gap value Δ(0)=(1.34±0.07)kBTc which is significantly smaller than the BCS value of 1.76kBTc. In addition, the normalized superfluid density ρ(T) shows an unusually long suppression near Tc and is best fit by a two-band s-wave model. |
| บรรณานุกรม | : |
Tee, X. Y. , Luo, H. G. , Xiang, T. , Vandervelde, D. , Salamon, M. B. , Sugawara, H. , Sato, H. , Panagopoulos, Christos , Chia, Elbert E. M. . (2555). Penetration depth study of LaOs4Sb12 : multiband s-wave superconductivity.
กรุงเทพมหานคร : Nanyang Technological University, Singapore. Tee, X. Y. , Luo, H. G. , Xiang, T. , Vandervelde, D. , Salamon, M. B. , Sugawara, H. , Sato, H. , Panagopoulos, Christos , Chia, Elbert E. M. . 2555. "Penetration depth study of LaOs4Sb12 : multiband s-wave superconductivity".
กรุงเทพมหานคร : Nanyang Technological University, Singapore. Tee, X. Y. , Luo, H. G. , Xiang, T. , Vandervelde, D. , Salamon, M. B. , Sugawara, H. , Sato, H. , Panagopoulos, Christos , Chia, Elbert E. M. . "Penetration depth study of LaOs4Sb12 : multiband s-wave superconductivity."
กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print. Tee, X. Y. , Luo, H. G. , Xiang, T. , Vandervelde, D. , Salamon, M. B. , Sugawara, H. , Sato, H. , Panagopoulos, Christos , Chia, Elbert E. M. . Penetration depth study of LaOs4Sb12 : multiband s-wave superconductivity. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.
|
