Role of Hydrogen in the Formation and Structure of the Si- NL10 Thermal Donor

Martynov, Yu. V.; Gregorkiewicz, T.; Ammerlaan, C.A.J.

doi:10.1103/physrevlett.74.2030

Cited by 62 publications

(36 citation statements)

References 17 publications

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“…5 The concentrations of these centers are enhanced greatly if samples are pretreated in water vapor at 1200°C, prior to an anneal at 470°C. 24 In indium-doped samples ͓In͔ϭ1.2ϫ10 15 cm Ϫ3 ͑boron acceptors were also present with ͓B͔ϭ1.3 ϫ10 14 cm Ϫ3 ͒ or phosphorus ͓͑P͔ϭ2ϫ10 15 cm Ϫ3 ) doped material ENDOR measurements have shown the incorporation of oxygen and a hydrogen ͑or deuterium͒ atom in the defects responsible, but no evidence has been found for the presence of either nitrogen or carbon. These results support the proposal that the NL10 spectrum is caused by a family of single donors to be identified with partially passivated double TD͑N͒ centers 25 ͑cf.…”

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Infrared absorption in silicon from shallow thermal donors incorporating hydrogen and a link to the NL10 paramagnetic resonance spectrum

et al. 1996

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Infrared absorption in silicon from shallow thermal donors incorporating hydrogen and a link to the NL10 paramagnetic resonance spectrum Newman, R.C.; Tucker, J.H.; Semaltianos, N.G.; Lightowlers, E.C.; Gregorkiewicz, T.; Zevenbergen, I.; Ammerlaan, C.A.J. Published in:Physical Review. B, Condensed Matter DOI:10.1103/PhysRevB.54.R6803 Link to publication Citation for published version (APA):Newman, R. C., Tucker, J. H., Semaltianos, N. G., Lightowlers, E. C., Gregorkiewicz, T., Zevenbergen, I., & Ammerlaan, C. A. J. (1996). Infrared absorption in silicon from shallow thermal donors incorporating hydrogen and a link to the NL10 paramagnetic resonance spectrum. Physical Review. B, Condensed Matter, 54, R6803-R6806. DOI: 10.1103/PhysRevB.54.R6803 General rightsIt is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. Shallow thermal donors ͑STDs͒, generated in Czochralski silicon, annealed at 470°C in a hydrogen plasma, and detected by their infrared ͑IR͒ electronic absorption, have ground states that shift slightly (ϳ0.1 cm Ϫ1 ) to smaller binding energies, when deuterium is introduced instead of hydrogen, demonstrating the presence of a hydrogen atom in the donor core. No other IR spectrum is detected apart from that from neutral double thermal donors ͑TDs͒. The same optical transitions are observed in three annealed samples given a preheat treatment in water vapor. These latter samples show the NL10 electron-paramagnetic-resonance ͑EPR͒ spectrum, recently attributed to hydrogen passivated TDs. The relative strengths of the EPR NL10 spectra correlate with those of the STD IR spectra, providing a strong indication that both spectra arise from the same defects.

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Infrared absorption in silicon from shallow thermal donors incorporating hydrogen and a link to the NL10 paramagnetic resonance spectrum

et al. 1996

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“…In a sample with a strong Si-NL10 signal but not intentionally doped with hydrogen we have indeed detected a new ENDOR spectum [9], which appeared to be symmetric with respect to the Zeeman frequency of a free proton -see Fig. 2.…”

Section: Thermal Donor-hydrogen Complexesmentioning

confidence: 92%

Paramagnetic State of Hydrogen-Passivated Double-Donor Centers in Silicon

et al. 1995

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hydrogenation of two double donor centers in silicoii -substitutional sulfur and thermal donor -is studied by electroii paramagnetic resonance and electron-nuclear double resonance. For both centers the existence of a new paramagnetic S = 1/2 state identified as the neutral charge state of the double donor passivated with a single hydrogen atom is concluded. The microscopic structure of such complexes is discussed.

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“…The observation of species character for both the NL8 and NL10 centers further corroborates the relation in their structure. EPR center NL10 has been identified as a hydrogenated thermal donor [5]. By analysis of the angular variation of resonances the g tensor of some species of the NL8 thermal donors and the related center NL10 were obtained [6].…”

Section: High-field High-frequency Eprmentioning

confidence: 99%