Chemical Shift and Exchange Interaction Energy of the 1s States of Magnesium Donors in Silicon. The Possibility of Stimulated Emission


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Abstract

The results of experiments aimed at the observation of split 1s states in Mg-doped Si are reported. From the results, it is possible to determine the chemical shift and exchange interaction energy of a neutral Mg donor in Si. The position of the 1s(E), 1s(T2), and 2s(A1) parastates determines the possibility for attaining population inversion and the specific mechanism of stimulated Raman scattering. The energy of the 1s(T2) parastate is determined from the position of the Fano resonances in the photoconductivity spectrum of Si:Mg at T = 4 K, and the energies of the 1s(T2) and 1s(E) orthostates from the transmittance spectra at elevated temperatures. On the basis of the experimental data, the relaxation rates are estimated, and the possible mechanisms of stimulated emission are analyzed.

About the authors

V. N. Shastin

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: atan4@yandex.ru
Russian Federation, Nizhny Novgorod, 607680

R. Kh. Zhukavin

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: atan4@yandex.ru
Russian Federation, Nizhny Novgorod, 607680

K. A. Kovalevsky

Institute for Physics of Microstructures, Russian Academy of Sciences

Author for correspondence.
Email: atan4@yandex.ru
Russian Federation, Nizhny Novgorod, 607680

V. V. Tsyplenkov

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: atan4@yandex.ru
Russian Federation, Nizhny Novgorod, 607680

V. V. Rumyantsev

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: atan4@yandex.ru
Russian Federation, Nizhny Novgorod, 607680

D. V. Shengurov

Institute for Physics of Microstructures, Russian Academy of Sciences

Email: atan4@yandex.ru
Russian Federation, Nizhny Novgorod, 607680

S. G. Pavlov

Institute of Optical Sensor Systems, German Aerospace Center (DLR)

Email: atan4@yandex.ru
Germany, Berlin, 12489

V. B. Shuman

Ioffe Institute

Email: atan4@yandex.ru
Russian Federation, St. Petersburg, 194021

L. M. Portsel

Ioffe Institute

Email: atan4@yandex.ru
Russian Federation, St. Petersburg, 194021

A. N. Lodygin

Ioffe Institute

Email: atan4@yandex.ru
Russian Federation, St. Petersburg, 194021

Yu. A. Astrov

Ioffe Institute

Email: atan4@yandex.ru
Russian Federation, St. Petersburg, 194021

N. V. Abrosimov

Leibniz-Institut für Kristallzüchtung (IKZ)

Email: atan4@yandex.ru
Germany, Berlin, 12489

J. M. Klopf

Helmholtz-Zentrum Dresden-Rossendorf

Email: atan4@yandex.ru
Germany, Dresden, 01328

H.-W. Hübers

Institute of Optical Sensor Systems, German Aerospace Center (DLR); Department of Physics, Humboldt-Universität zu Berlin

Email: atan4@yandex.ru
Germany, Berlin, 12489; Berlin, 12489


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