Weak ferromagnetic order in the superconducting ErNi211B2C
H. Kawano-Furukawa, H. Takeshita, M. Ochiai, T. Nagata, H. Yoshizawa, N. Furukawa, H. Takeya, K. Kadowaki
DOI 10.1103/PhysRevB.65.180508 · Physical Review B
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Abstract
ErNi2B2C is the first material in which a microscopic coexistence between weak ferromagnetism (WFM) and superconductivity (SC) was confirmed by neutron diffraction technique. In the present paper, we report the detailed WFM structure and its ordering process. In the WFM phase, weak but clear peaks appear at (n/2000) with n=even. The detailed analysis revealed that one from 20 Er magnetic moments contributes to the WFM ordering and such spins form ferromagnetic sheets that appear with a periodicity of 10a(∼35Å).
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| ErNi2B2C Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 11 | Pressure not reported | onset |
| ErNi2B2C Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 8.6 | Pressure not reported | midpoint |
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