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首页> 外文期刊>Journal of Crystal Growth >Reproducible Te-doped InSb experiments in Microgravity Science Glovebox at the International Space Station
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Reproducible Te-doped InSb experiments in Microgravity Science Glovebox at the International Space Station

机译:在国际空间站的微重力科学手套箱中可重现的Te掺杂的InSb实验

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Four Te-doped InSb crystals were directionally solidified under microgravity conditions at the International Space Station (ISS). Three Te-doped InSb crystals were grown at R = 5mm/h. One crystal was grown at R = 3.33 mm/h. The distribution of Te was measured using secondary ion mass spectroscopy (SIMS). The initial transients in Te concentration were found to be consistent, yielding a diffusivity of Te in InSb melts of D = 1 × 10~(-5) cm~2/s. One experiment revealed a diffusion controlled final transient. In all experiments, the charge was pressurized by a piston and spring device, to prevent de-wetting.
机译:在国际空间站(ISS)的微重力条件下,将四个Te掺杂的InSb晶体定向凝固。在R = 5mm / h下生长了三个掺Te的InSb晶体。一个晶体以R = 3.33mm / h生长。 Te的分布使用二次离子质谱法(SIMS)测量。发现Te浓度的初始瞬变是一致的,从而使Te在InSb熔体中的扩散系数为D = 1×10〜(-5)cm〜2 / s。一个实验揭示了扩散控制的最终瞬态。在所有实验中,装料都通过活塞和弹簧装置加压,以防止脱湿。

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