Synthesis of magnetic doped kesterite single crystals

A growing interest in devices based on spintronics demands a development of magnetic semiconductors. A promising material for such applications is kesterite doped with ferromagnetic elements. We present a method of obtaining Cu2MSnS4 (M = Zn, Fe, Mn, Ni) single crystals, using metals, elemental sulf...

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Published in:Crystal research and technology (1979) 2015-09, Vol.50 (9-10), p.690-694
Main Authors: Podsiadlo, Slawomir, Bialoglowski, Maciej, Fadaghi, Mohammad, Gebicki, Wojciech, Jastrzebski, Cezariusz, Zero, Elzbieta, Trzybinski, Damian, Wozniak, Krzysztof
Format: Article
Language:English
Subjects:
Devices
Iron
kesterite
Manganese
Nickel
semiconductor
Single crystals
Spintronics
Sulfur
Synthesis
Zinc
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Summary:A growing interest in devices based on spintronics demands a development of magnetic semiconductors. A promising material for such applications is kesterite doped with ferromagnetic elements. We present a method of obtaining Cu2MSnS4 (M = Zn, Fe, Mn, Ni) single crystals, using metals, elemental sulfur and minor amounts of iodine. The syntheses were carried out in quartz ampoules closed under vacuum and heated in a tube furnace at 650 °C for 7 to 90 days. A method of synthesis of comparatively good tetragonal single crystals of Cu2FeSnS4 and Cu2MnSnS4 was achieved. Raman spectra of purely Mn‐ and Ni‐substituted kesterites have been measured for the first time. Magnetic kesterite‐like structure compounds may be promising alternative materials for spintronics. The syntheses were carried out with chemical transport. Conditions were developed for obtaining a good structure bulk single crystals, where zinc had been substituted with iron or manganese.
ISSN:0232-1300
1521-4079
DOI:10.1002/crat.201400435