Fe-doped β-Rhombohedral boron: Structural changes at the p-type/n-type transition

被引：3
作者：
Werheit, H. [1 ]
Filipov, V. [2 ]
Kuhlmann, U. [1 ]
Dose, T. [1 ]
Lundstrom, T. [3 ]
机构：
[1] Univ Duisburg Essen, Inst Phys, D-47048 Duisburg, Germany
[2] NASU, IN Frantsevich Inst Problems Mat Sci, UA-03142 Kiev, Ukraine
[3] Uppsala Univ, Inst Chem, Uppsala 75120, Sweden
来源：
SOLID STATE SCIENCES | 2015年 / 47卷
关键词：
Beta-rhombohedral boron; Fe-doping; Phonon spectra; p/n transition; ELECTRONIC-PROPERTIES; IRON; ATOMS;
D O I：
10.1016/j.solidstatesciences.2014.11.010
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
n-type beta-rhombohedral boron is e.g. obtained by interstitial doping with Fe atoms exceeding 2.45 at.%. The spectra of Raman- and IR-active phonons have been measured up to the solubility limit of similar to 4 at.%. Numerous significant discontinuities in the spectra indicate structural changes at the p/n-transition. These might be restricted to specific elements of the structure, as the lattice parameters vary continuously, thus indicating that the overall structure remains largely unchanged. (C) 2014 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：7 / 12
页数：6
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