Plokhikh, Igor V. and Khan, Nazir and Tsirlin, Alexander A. and Kuznetsov, Alexey N. and Charkin, Dmitri O. and Shevelkov, Andrei V. and Pfitzner, Arno (2019) Synthesis, crystal and electronic structures of Pt-rich phosphides EuPt3P and EuPt6P2. DALTON TRANSACTIONS, 48 (40). pp. 15272-15282. ISSN 1477-9226, 1477-9234
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Two new ternary Pt-rich phosphides, EuPt6P2 and EuPt3P, have been prepared via a two-step solid state reaction. Their crystal structures have been determined from powder XRD data. EuPt6P2 is isostructural to SrPt6P2 (cubic, Pa3, a = 8.4603(1) angstrom); its crystal structure comprises corner-sharing Pt6P trigonal prisms hosting Eu2+ cations in the cuboctahedral voids of the framework. EuPt3P is isostructural to the SrPt3P anti-perovskite (P4/nmm, a = 5.7452(1) angstrom and c = 5.4212(1) angstrom). Magnetization measurements reveal the magnetic response caused by the Eu2+(4f 7) cations. EuPt6P2 is paramagnetic exhibiting no phase transitions down to 1.8 K, whereas EuPt3P orders ferromagnetically below 19 K. Similar to SrPt6P2 and SrPt3P, the new compounds are metallic with states near the Fermi level predominantly formed by the 5d orbitals of Pt.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SR; EU; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Arno Pfitzner |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 30 Mar 2020 04:46 |
| Last Modified: | 06 Apr 2020 06:44 |
| URI: | https://pred.uni-regensburg.de/id/eprint/25968 |
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