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Cubic, hexagonal and tetragonal FeGe x phases (x = 1, 1.5, 2): Raman spectroscopy and magnetic properties

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Kuklova Anna, Dimitrievska Mirjana, Litvinchuk Alexander P., Ramanandan Santhanu Panikar, Tappy Nicolas, Menon Heera, Borg Mattias, Grundler Dirk, Fontcuberta i Morral Anna,
Project Discovery and Nanoengineering of Novel Skyrmion-hosting Materials
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Original article (peer-reviewed)

Journal CrystEngComm
Page(s) 1 - 12
Title of proceedings CrystEngComm
DOI 10.1039/d1ce00970b

Open Access

URL http://doi.org/10.1039/D1CE00970B
Type of Open Access Publisher (Gold Open Access)

Abstract

There is currently an emerging drive to computational materials design and fabrication of the predicted novel materials. One of the keys for developing appropriate fabrication methods is determination of the composition and phase. Here we explore the FeGe system and establish reference Raman signatures for the distinction between the FeGe hexagonal and cubic structures, as well as FeGe2 and Fe2Ge3 phases. The experimental results are substantiated by first principles lattice dynamics calculations as well as by complementary structural characterizations such as transmission electron microscopy and X-Ray diffraction, along with the magnetic measurements.
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