Search Results - "Portsel, Leonid"

Diffusion of Magnesium in Czochralski Silicon by Portsel, Leonid M., Lodygin, Anatoly N., Abrosimov, Nikolay V., Astrov, Yuri A.

“…The diffusion of magnesium in monocrystalline dislocation‐free Czochralski silicon (Cz–Si) with an oxygen concentration of (3–4) × 1017 cm−3 is studied…”
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Diffusion doping of silicon with magnesium by Astrov, Yuri A., Shuman, Valentina B., Portsel, Leonid М., Lodygin, Аnatoly N., Pavlov, Sergey G., Abrosimov, Nikolay V., Shastin, Valery N., Hübers, Heinz‐Wilhelm

“…Doping of silicon with magnesium is investigated by a sandwich diffusion technique. Temperature dependence of the diffusion coefficient in the dislocation‐free…”
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Even‐Parity Excited States in Infrared Emission, Absorption, and Raman Scattering Spectra of Shallow Donor Centers in Silicon by Pavlov, Sergey G., Abrosimov, Nikolay V., Shuman, Valentina B., Portsel, Leonid М., Lodygin, Аnatoly N., Astrov, Yuri A., Zhukavin, Roman Kh, Shastin, Valery N., Irmscher, Klaus, Pohl, Andreas, Hübers, Heinz‐Wilhelm

“…The Lyman absorption spectra of different shallow dopants in elemental semiconductors at liquid‐helium temperature show typically transitions from the…”
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Magnesium‐Related Donors in Silicon: State of the Art by Astrov, Yuri A., Portsel, Leonid M., Shuman, Valentina B., Lodygin, Anatoly N., Abrosimov, Nikolay V.

“…The research interest in deep donors in silicon is due in particular to the quantum structure of such centers; these are promising for application in silicon…”
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Features of Photothermal Ionization in Photoconducting Spectra of Mid-Infrared Silicon Detectors Doped by Deep Selenium Double Donors by Pohl, Andreas, Pavlov, Sergey G., Shuman, Valentina B., Portsel, Leonid M., Lodygin, Anatoly N., Astrov, Yuri A., Hubers, Heinz-Wilhelm

“…Diatomic centers of double donor doped silicon have lower chemical shifts as compared to the corresponding atomic impurity and by this essentially extend…”
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Infrared Single Photon Centers in Chalcogen Doped Silicon for Quantum Computing by Lynch, Stephen A., Stock, Ryan H., Astrov, Yuri A., Shuman, Valentina B., Portsel, Leonid M., Lodygin, Anatoly N.

“…The quantum optical properties of two new infrared single photon centers in single crystal silicon are explored. The results suggest that the diamond nitrogen…”
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Thermal activation of valley-orbit states of neutral magnesium in silicon by Abraham, Rohan, Shuman, Valentina, Portsel, Leonid, Lodygin, Anatoly, Astrov, Yuri, Abrosimov, Nikolay, Pavlov, Sergey, Hübers, Heinz-Wilhelm, Simmons, Stephanie, Thewalt, Michael

“…Interstitial magnesium acts as a moderately deep double donor in silicon, and is relatively easily introduced by diffusion. Unlike the case of the chalcogen…”
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A Mg-pair isoelectronic bound exciton identified by its isotopic fingerprint in $^{28}$Si by Abraham, Rohan, DeAbreu, Adam, Morse, Kevin, Shuman, Valentina, Portsel, Leonid, Lodygin, Anatoly, Astrov, Yuri, Abrosimov, Nikolay, Pavlov, Sergey, Hübers, Heinz-Wilhelm, Simmons, Stephanie, Thewalt, Michael

“…Phys. Rev. B 98, 205203 (2018) We use the greatly improved optical linewidths provided by highly enriched $^{28}$Si to study a photoluminescence line near 1017…”
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Further investigations of the deep double donor magnesium in silicon by Abraham, Rohan, DeAbreu, Adam, Morse, Kevin, Shuman, Valentina, Portsel, Leonid, Lodygin, Anatoly, Astrov, Yuri, Abrosimov, Nikolay, Pavlov, Sergey, Hübers, Heinz-Wilhelm, Simmons, Stephanie, Thewalt, Michael

“…Phys. Rev. B 98, 045202 (2018) The deep double donor levels of substitutional chalcogen impurities in silicon have unique optical properties which may enable a…”
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Mid-infrared spectroscopy of sulphur and selenium donors in silicon for quantum optics by Stock, Ryan H., Royle, William S., Hodges, Chris, Astrov, Yuri A., Shuman, Valentina B., Portse, Leonid M., Lodygin, Anatoly N., Lynch, Stephen A.

“…We have manufactured mid-infrared chalcogen donor centres in silicon by high-temperature diffusion doping. Electrical characterisation has shown that we can…”
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