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首页> 外文期刊>Physica, B. Condensed Matter >Possible donor and acceptor energies for Mu in ZnSe
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Possible donor and acceptor energies for Mu in ZnSe

机译：ZnSe中Mu的可能的供体和受体能

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Multiple charge-state transitions are observed for muonium in heavily compensated ZnSe. A paramagnetic resonance signal for the state known as Mull is present to similar to 350K, but has decreased amplitude between 30 and similar to 200 K, disappearing completely in one sample. Satellite lines in the Mu(II) spectrum identify it as Mull at the T-site with Se neighbours. We obtain an ionization energy of similar to 0.4eV for this Mu donor location. Loss of Mu(II) and growth of a diamagnetic signal near 25 K had been assigned to electron capture by Mu(0), and its loss near 80 K to e(-) emission from Mu(-) to the conduction band. We offer an alternative explanation for the loss of Mu- amplitude, and suggest that high-temperature growth of diamagnetic amplitude be associated with Mu acceptor ionization. This alternative model gives thermodynamic levels for Mu in ZnSe that fit well into the overall picture of H in semiconductors.
机译：在重补偿的ZnSe中，mu具有多个电荷状态跃迁。状态为Mull的顺磁共振信号类似于350K，但幅度在30到200 K之间减小，在一个样本中完全消失。 Mu（II）频谱中的卫星线路在T站点中与Se邻居将其标识为Mull。对于这个Mu供体位置，我们获得的电离能接近0.4eV。 Mu（II）的损失和25 K附近的反磁信号的增长已被Mu（0）捕获到电子中，并且其损失在80 K附近从e（-）发射到Mu（-）到导带。我们为Mu振幅的损失提供了另一种解释，并建议抗磁振幅的高温增长与Mu受体电离有关。该替代模型给出了ZnSe中Mu的热力学水平，非常适合半导体中H的整体情况。

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