New magnetic semiconductors CuCr1.5Sb0.5S4 with Co

Dilaram Abdullaevna Saifullaeva; Shahlo Fazilovna Solieva; Asamat Muminov

doi:10.1117/12.498723

29 April 2003 New magnetic semiconductors CuCr_1.5Sb_0.5S₄ with Co

Dilaram Abdullaevna Saifullaeva, Shahlo Fazilovna Solieva, Asamat Muminov

Proceedings Volume 5118, Nanotechnology; (2003) https://doi.org/10.1117/12.498723
Event: Microtechnologies for the New Millennium 2003, 2003, Maspalomas, Gran Canaria, Canary Islands, Spain

Abstract

We studied magnetic and electric properties new magenetic semicondcutors CuCr_1.5Sb_0.5S₄ with Co. All compounds are characteristic for antiferromagnetics. A giant negative magnetoresistance has been found in the new magnetic semiconductors xCoCr₂S₄ - (1-x)CuCr_1.5Sb_0.5>S₄, (x=0.25;0.5). Magnetoresistance is practically absent in CuCr_1.5Sb_0.5S₄ and does not exceed 2% in CoCr₂S₄. The giant magnetoresistance and the postivie value of e are evidence for the existence of afmons in compounds with Ni.

Citation Download Citation

Dilaram Abdullaevna Saifullaeva, Shahlo Fazilovna Solieva, and Asamat Muminov "New magnetic semiconductors CuCr_1.5Sb_0.5S₄ with Co", Proc. SPIE 5118, Nanotechnology, (29 April 2003); https://doi.org/10.1117/12.498723

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