
Ð”Ð°Ð½Ð½Ð°Ñ Ñ€Ð°Ð±Ð¾Ñ‚Ð° поÑвÑщена иÑÑледованию оптичеÑÐºÐ¸Ñ Ñвлений в Ð¿Ð¾Ð»ÑƒÐ¿Ñ€Ð¾Ð²Ð¾Ð´Ð½Ð¸ÐºÐ¾Ð²Ñ‹Ñ Ð¼Ð°Ñ‚ÐµÑ€Ð¸Ð°Ð»Ð°Ñ , перÑÐ¿ÐµÐºÑ‚Ð¸Ð²Ð½Ñ‹Ñ Ñ Ñ‚Ð¾Ñ‡ÐºÐ¸ Ð·Ñ€ÐµÐ½Ð¸Ñ Ñ€Ð°Ð·Ñ€Ð°Ð±Ð¾Ñ‚ÐºÐ¸ Ð½Ð¾Ð²Ñ‹Ñ Ð¸Ñточников излучениÑ, Ñ€Ð°Ð±Ð¾Ñ‚Ð°ÑŽÑ‰Ð¸Ñ Ð² Ñреднем инфракраÑном диапазоне Ñпектра. Ð’ работе иÑÑледованы Ñтруктуры Ñ ÑпитакÑиальными ÑлоÑми InAs[1−x]Sb[x] Ñ Ñ€Ð°Ð·Ð»Ð¸Ñ‡Ð½Ñ‹Ð¼ Ñодержанием Sb (x = 0,4 и x = 0,6). Ð”Ð»Ñ Ð´Ð°Ð½Ð½Ñ‹Ñ Ñтруктур методом фурье-ÑпектроÑкопии были иÑÑледованы Ñпектры фото- и ÑлектролюминеÑценции в диапазоне Ñнергий квантов Ñвета от 70 до 600 мÑÐ’ при Ñ€Ð°Ð·Ð»Ð¸Ñ‡Ð½Ñ‹Ñ Ñ‚ÐµÐ¼Ð¿ÐµÑ€Ð°Ñ‚ÑƒÑ€Ð°Ñ Ð² диапазоне от 8 К до 300 К и Ñ€Ð°Ð·Ð»Ð¸Ñ‡Ð½Ñ‹Ñ ÑƒÑ€Ð¾Ð²Ð½ÑÑ Ð²Ð¾Ð·Ð±ÑƒÐ¶Ð´ÐµÐ½Ð¸Ñ. Получено удовлетворительное ÑоответÑтвие раÑÑ‡ÐµÑ‚Ð½Ñ‹Ñ Ð·Ð½Ð°Ñ‡ÐµÐ½Ð¸Ð¹ запрещенной зоны Ñ ÑкÑпериментально полученными данными. Ð’ образце InAs[0,6]Sb[0,4] иÑÑледована Ð°Ð½Ð¸Ð·Ð¾Ñ‚Ñ€Ð¾Ð¿Ð¸Ñ Ð¿Ð¾Ð»Ñризации рекомбинационного Ð¸Ð·Ð»ÑƒÑ‡ÐµÐ½Ð¸Ñ Ð²Ð¾Ð·Ð½Ð¸ÐºÐ°ÑŽÑ‰ÐµÐ³Ð¾ уÑловиÑÑ Ð¼ÐµÐ¶Ð·Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¿Ñ€Ð¾Ð±Ð¾Ñ Ð² Ñильном ÑлектричеÑком поле.
This work is devoted to the study of optical phenomena in semiconductor materials, which could be used as a basis for new detectors and radiation sources operating in the mid-infrared spectral range. We have studied the structure with InAs[1−x]Sb[x] epitaxial layers with different Sb content (x = 0,4 and x = 0,6). Experimental study was performed by means Fourier transform spectroscopy of the photo- and electroluminescence in the photon energy range from 70 to 600 meV for different temperatures from 8 K to 300 K and at different excitation levels. A satisfactory agreement between the calculated values of the band gap with the experiment data have been obtained. In the InAs[0,6]Sb[0,4] sample the polarization anisotropy of recombination radiation arising under interband breakdown in a strong electric field have been studied.
ÑпиÑакÑиалÑнÑе Ñлои, luminescence, анизоÑÑопиÑ, anisotropy, epitaxial layers, лÑминеÑÑенÑиÑ
ÑпиÑакÑиалÑнÑе Ñлои, luminescence, анизоÑÑопиÑ, anisotropy, epitaxial layers, лÑминеÑÑенÑиÑ
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