首页> 外文会议>International Conference on High Magnetic Fields in Semiconductor Physics; 20040802-06; Tallahassee,FL(US) >DEVELOPMENT OF A PLASTIC DIAMOND ANVIL CELL FOR HIGH PRESSURE MAGNETO-PHOTOLUMINESCENCE IN PULSED HIGH MAGNETIC FIELDS
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DEVELOPMENT OF A PLASTIC DIAMOND ANVIL CELL FOR HIGH PRESSURE MAGNETO-PHOTOLUMINESCENCE IN PULSED HIGH MAGNETIC FIELDS

机译:用于脉冲高磁场中高压磁光致发光的塑料金刚石防蚁细胞的研制

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A diamond anvil cell (DAC) made of reinforced plastic has been developed for magneto-photoluminescence experiments in pulsed high magnetic fields. Our DAC has a standard and simple structure equipped with a stainless steel gasket. We have made magneto-photoluminescence experiments of CdTe/Cd_(0.8)Mn_(0.2)Te multiple quantum wells up to 41 T at 4.2 K in the pressure range 0 to 2.3 GPa. We found that the effect of the eddy current heating of the gasket can be negligible small when we use the pulsed field whose duration is a few tens of milliseconds or longer. We have also found that the exciton Zeeman shift strongly depends on the pressure, which can be a manifestation of the enhancement of the sp — d and d — d exchange interactions in the Cd_(0.8)Mn_(0.2)Te layer by applying high pressures.
机译:已经开发了由增强塑料制成的金刚石砧盒(DAC),用于脉冲高磁场中的磁光致发光实验。我们的DAC具有标准且简单的结构,并配有不锈钢垫片。我们进行了CdTe / Cd_(0.8)Mn_(0.2)Te多量子阱的磁光致发光实验,该多量子阱在4.2 K下在0至2.3 GPa的压力下可达41T。我们发现,当使用持续时间为几十毫秒或更长的脉冲场时,垫圈的涡流加热的影响可以忽略不计。我们还发现激子塞曼位移强烈依赖于压力,这可以通过施加高压来增强Cd_(0.8)Mn_(0.2)Te层中sp_d和d_d交换相互作用的体现。 。

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