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Intracenter dipole transitions of a hydrogen-like boron acceptor in diamond: oscillator srengths and line broadening

Prikhodko, D. D. and Pavlov, Sergey and Tarelkin, S. A. and Bormashov, V. S. and Buga, S. G. and Kuznetsov, M. S. and Terentiev, S. A. and Nosukhin, S. A. and Hübers, Heinz-Wilhelm and Blank, V. D. (2021) Intracenter dipole transitions of a hydrogen-like boron acceptor in diamond: oscillator srengths and line broadening. Diamond and Related Materials, 120, p. 108629. Elsevier. doi: 10.1016/j.diamond.2021.108629. ISSN 0925-9635.

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Abstract

Substitutional boron in diamond acts as an acceptor center with the ionization energy of about 372 meV. Unlike its analogues in elemental semiconductors (silicon, germanium), boron bound states are poorly described by the electronic mass approximation due to the large ionization energy and the small spin-orbit splitting of the valence band in diamond. Thereby experimental investigations appear to be a main way of study of discrete electronic states of boron in diamond. In this paper, we report infrared (IR) absorption spectroscopy results obtained for HPHT-grown single crystal diamonds doped with natural boron (80% 11B – 20% 10B), and with isotopically enriched boron (99% 11B – 1% 10B). A moderate dopant concentration (1e16–1e17 / cm3), low concentration of lattice defects and vanishing thermal impact at cryogenic temperatures provided significantly reduced line broadening so that more than 60 boron transitions could be spectrally resolved. Mathematical approximation of the spectral lines revealed the main empiric features of zero-phonon dipole intracenter transitions: their energy, linewidth and integrated absorption. This allowed us to calculate oscillator strength of the boron acceptor transitions in diamond. The Lorentzian shape of the spectral lines indicates dominating uniform broadening of the transitions. Together with the relatively broad linewidths (0.1–0.5 meV) it reveals strong electron-phonon interaction in boron-doped diamond.

Item URL in elib:https://elib.dlr.de/144548/
Document Type:Article
Title:Intracenter dipole transitions of a hydrogen-like boron acceptor in diamond: oscillator srengths and line broadening
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Prikhodko, D. D.Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Pavlov, SergeyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tarelkin, S. A.Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Bormashov, V. S.The All-Russian Research Institute for Optical and Physical Measurements, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Buga, S. G.Technological Institute for Superhard and Novel Carbon Materials (TISNCM), Troitsk, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Kuznetsov, M. S.Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Terentiev, S. A.Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Nosukhin, S. A.Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Hübers, Heinz-WilhelmUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blank, V. D.Technological Institute for Superhard and Novel Carbon Materials, Troitsk, Moscow, RussiaUNSPECIFIEDUNSPECIFIED
Date:1 October 2021
Journal or Publication Title:Diamond and Related Materials
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:120
DOI:10.1016/j.diamond.2021.108629
Page Range:p. 108629
Publisher:Elsevier
ISSN:0925-9635
Status:Published
Keywords:Boron-doped diamond Infrared absorption spectroscopy Oscillator strength Natural linewidth
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Detectors for optical instruments
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Terahertz and Laser Spectroscopy
Deposited By: Pavlov, Dr. Sergey
Deposited On:19 Oct 2021 10:04
Last Modified:20 Oct 2023 08:07

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