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Title: Ferromagnetic order in single-crystalline (CdxAl y)[Cr2]Sez semiconductors
Authors: Duda, Henryk
Rduch, Paweł
Malicka, Ewa
Groń, Tadeusz
Kusz, Joachim
Keywords: krystaliczne nieorganiczne półprzewodniki; półprzewodniki magnetyczne; niemetaliczne materiały ferromagnetyczne
Issue Date: 2011
Citation: Acta Physica Polonica A, Vol. 119, nr 5 (2011), s. 702-704
Abstract: Measurements of the magnetic properties, the electrical conductivity and the Seebeck effect were performed on single crystals (CdxAly)[Cr2]Sez between 77 and 300 K. All samples have a ferromagnetic order with the Curie temperature of 130 K and the paramagnetic Curie–Weiss temperature of 155 K. Both these temperatures do not depend significantly on the Al substitution. The electrical conductivity of single crystals CdCr2Se4 doped with Al. was p-type and showed the change of log ¾ versus 1=T slope above 150 K. This fact is interpreted as being due to the onset of impurity conduction and structural defects.
ISSN: 0587-4246
Appears in Collections:Artykuły (WNŚiT)

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