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Antiferromagnetism in semiconducting KFe0.85Ag1.15Te2 single crystals

Superconductivity 2011-08-22 v2 Materials Science
Authors: Hechang Lei , Emil S. Bozin , Kefeng Wang , C. Petrovic
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Abstract

We have synthesized single crystals of K1.00(3)Fe0.85(2)Ag1.15(2)Te2.0(1). The materials crystallizes in the ThCr2Si2 structure with I4/mmm symmetry and without K and Fe/Ag deficiencies, unlike in KxFe2-ySe2 and KxFe2-yS2. In contrast to theoretical prediction for higher Tc in KFe2Te2, KFe0.85Ag1.15Te2 is a semiconductor with long-range antiferromagnetic transition at TN = 35 K.

Keywords

antiferromagnetism semiconducting KFe0.85Ag1.15Te2 single crystals ThCr2Si2 structure magnetic transition

Cite

@article{arxiv.1105.0421,
  title  = {Antiferromagnetism in semiconducting KFe0.85Ag1.15Te2 single crystals},
  author = {Hechang Lei and Emil S. Bozin and Kefeng Wang and C. Petrovic},
  journal= {arXiv preprint arXiv:1105.0421},
  year   = {2011}
}

Comments

4 pages, 4 figures

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