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首页> 外文期刊>Japanese journal of applied physics >Electron Spin Resonance of Chromium-Platinum Pair in Silicon
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Electron Spin Resonance of Chromium-Platinum Pair in Silicon

机译：硅中铬-铂对的电子自旋共振

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摘要

We have investigated a chromium-platinum pair in silicon by electron spin resonance measurement. A new ESR spectrum originating from a chromium-platinum pair has been detected in both n- and p-type silicons diffused with chromium and platinum. The anisotropic g-tensor obtained by analyzing the angular dependence of the ESR spectrum shows a monoclinic (C_1h) symmetry with g-values of g_1 =4.67, g_2 = 2.99, and g_3 = 1.80. The g_1 axis is along the (110) direction. The g_2 and g_3 axes are perpendicular to the g_1 axis, and the g_2 axis is rotated from the (100) direction to the (111) direction at an angle of 20°. The anisotropic character of monoclinic (C_1h) symmetry results from the nearest-neighbor configuration consisting of a Pt atom at a substitutional site distorted by the displacement of Pt along the (100) direction and a Cr atom at the nearest-neighbor interstitial site. The ESR measurement under illumination suggests that a chromium-platinum pair forms a donor like electron trap level.
机译：我们已经通过电子自旋共振测量研究了硅中的铬-铂对。在散布有铬和铂的n型和p型硅中都检测到了源自铬-铂对的新ESR光谱。通过分析ESR光谱的角度依赖性获得的各向异性g张量显示了单斜（C_1h）对称性，其g值为g_1 = 4.67，g_2 = 2.99和g_3 = 1.80。 g_1轴沿（110）方向。 g_2和g_3轴垂直于g_1轴，并且g_2轴从（100）方向旋转到（111）方向，夹角为20°。单斜（C_1h）对称性的各向异性特征是由最近邻构型引起的，该构型由取代位点处的Pt原子（沿Pt沿（100）方向的位移而扭曲）和最近邻位间隙位置处的Cr原子组成。照明下的ESR测量表明，铬-铂对形成了电子陷阱能级那样的供体。

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  • 来源
    《Japanese journal of applied physics》 |2011年第8issue1期|p.081302.1-081302.4|共4页
  • 作者

    Takeshi Ishiyama; Takahiro Tsurukawa; Yuya Mori; Yoichi Kamiura; Yoshifumi Yamashita;

  • 作者单位

    Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan;

    Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan;

    Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan;

    Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan;

    Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan;

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