Abstract
Single crystals of the recently found superconducting system Ca-Fe-Pt-As have been prepared and used in X-ray Rietveld analyses, where we have identified two types of structure; SrZnBi2 type (type A; I4=mmm) and HfCuSi2 type (type B; P4=nmm). Both structures consist of Fe1-xPt xAs conducting layers with As and Ca atoms between them. The unit cell of the system of type A has two Fe1-xPtxAs layers, while that of type B has only one layer. The superconducting transition appears in both systems, even though the fraction of Pt atoms, which act as strong electron scatterers, is as large as ̃0.2.
| Original language | English |
|---|---|
| Article number | 073710 |
| Journal | journal of the physical society of japan |
| Volume | 80 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 2011 Jul 1 |
| Externally published | Yes |
Keywords
- Ca-Fe-Pt-As
- Fe pnictides
- Superconducting symmetry
- X-ray Rietveld analysis
ASJC Scopus subject areas
- Physics and Astronomy(all)
Fingerprint Dive into the research topics of 'Crystal structure of new Pt-doped Fe pnictide superconductors'. Together they form a unique fingerprint.
Cite this
Kawamata, T., Iida, T., Suzuki, K., Satomi, E., Kobayashi, Y., Itoh, M., & Sato, M. (2011). Crystal structure of new Pt-doped Fe pnictide superconductors. journal of the physical society of japan, 80(7), [073710]. https://doi.org/10.1143/JPSJ.80.073710