Pressure‐induced Changes of the Crystal Structure of Eu 4 P 3 | Zendy

CardosoGil R. | Zendy; Niewa R. | Zendy; Schmidt M. | Zendy; Armbrüster M. | Zendy; Hanfland M. | Zendy; Klementiev K. | Zendy; Schwarz Ulrich | Zendy

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Pressure‐induced Changes of the Crystal Structure of Eu 4 P 3

Author(s) -

CardosoGil R.,

Niewa R.,

Schmidt M.,

Armbrüster M.,

Hanfland M.,

Klementiev K.,

Schwarz Ulrich

Publication year - 2003

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.200390074

Subject(s) - europium , crystal structure , crystallography , diffraction , phase (matter) , spectroscopy , materials science , oxidation state , powder diffraction , crystal (programming language) , absorption (acoustics) , absorption spectroscopy , phase transition , chemistry , x ray absorption spectroscopy , analytical chemistry (journal) , metallurgy , condensed matter physics , luminescence , optics , metal , organic chemistry , programming language , physics , optoelectronics , chromatography , quantum mechanics , computer science , composite material

Pressure‐induced structural changes and electronic properties of rhombohedral Eu 4 P 3 were characterised by means of X‐ray powder diffraction and X‐ray absorption spectroscopy at the Eu L III threshold. The measurements at low pressures indicate oxidation states of the europium atoms which are compatible with a composition Eu 3 2+ Eu 3+ P 3 . At a pressure of 8(1) GPa, Eu 4 P 3 undergoes a structural phase transition. The cubic high pressure modification with (anti‐)Th 3 P 4 type crystal structure is also identified as a compound with a non‐integer average oxidation state of the europium atoms.

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