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Synthesis, crystal and electronic structure of the Pt-rich phosphides EuPt3P and EuPt6P2
Article
Plokhikh, Igor V., Khan, N., Tsirlin, A. A., Kuznetsov, A. N., Charkin, D. O., Shevelkov, Andrei V. and Pfitzner, Arno
(2019)
Synthesis, crystal and electronic structure of the Pt-rich phosphides EuPt3P and EuPt6P2.
Dalton Transactions 48 (40), pp. 15272-15282.
DOI to cite this document: 10.5283/epub.47773
Abstract
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 ...
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.
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Details
| Item type | Article | ||||
| Journal or Publication Title | Dalton Transactions | ||||
| Publisher | ROYAL SOC CHEMISTRY | ||||
| Place of Publication | CAMBRIDGE | ||||
| Volume | 48 | ||||
| Number of Issue or Book Chapter | 40 | ||||
| Page Range | pp. 15272-15282 | ||||
| Date | 23 September 2019 | ||||
| Date of publication | 09 Aug 2021 10:35 | ||||
| Institutions | Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Arno Pfitzner | ||||
| Identification Number |
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| Keywords | SR; EU; | ||||
| Dewey Decimal Classification | 500 Science > 540 Chemistry & allied sciences | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | Yes | ||||
| Item ID | 47773 |
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