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Ferroelectrical and Nanoscale MaterialsNo Access

STRUCTURE AND MAGNETIC PROPERTIES IN Mn-DOPED Si

Lab of Solid State Micro structures, Nanjing University, Nanjing 210093, China

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Lab of Solid State Micro structures, Nanjing University, Nanjing 210093, China

Corresponding author.

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Lab of Solid State Micro structures, Nanjing University, Nanjing 210093, China

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Lab of Solid State Micro structures, Nanjing University, Nanjing 210093, China

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Lab of Solid State Micro structures, Nanjing University, Nanjing 210093, China

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Lab of Solid State Micro structures, Nanjing University, Nanjing 210093, China

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NSRL, University of Science and Technology of China, P. O. Box 6022, Hefei 230029, China

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NSRL, University of Science and Technology of China, P. O. Box 6022, Hefei 230029, China

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NSRL, University of Science and Technology of China, P. O. Box 6022, Hefei 230029, China

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https://doi.org/10.1142/S0217979207044755Cited by:3 (Source: Crossref)

Abstract

The composition of Mn_0.05Si_0.95 polycrystalline films on (001) Si substrate are prepared by vacuum deposition and post-crystallization processes. X-ray diffraction studies indicate that there are two phases coexist in the film: tetragonal, Mn₄Si₇ and diamond-like Si (Mn). The content of Si(Mn) phase increases with increasing the post-annealing temperature. Temperature dependence of the magnetization shows that there are two ferromagnetic phases with Curie temperature of around 50 K and near room temperature, which is confirmed by x-ray magnetic circular dichroism (XMCD).

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Vol. 21, No. 18n19

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Received 9 January 2007

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