Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-Doping

In this report, we have achieved a significant increase in the electrically active dopant fraction in Indium (In)-implanted Si0.35Ge0.65, by co-doping with the isovalent element Carbon (C). Electrical measurements have been correlated with X-ray absorption spectroscopy to determine the electrical pr...

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Main Authors: Ruixing Feng, Felipe Kremer, David J. Sprouster, Sahar Mirzaei, Stefan Decoster, Chris J. Glover, Scott A. Medling, John Lundsgaard Hansen, Arne Nylandsted-Larsen, Salvy P. Russo, Mark C. Ridgway
Format: Article
Language:English
Published: Taylor & Francis Group 2017-01-01
Series:Materials Research Letters
Subjects:
Online Access:http://dx.doi.org/10.1080/21663831.2016.1169229
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author Ruixing Feng
Felipe Kremer
David J. Sprouster
Sahar Mirzaei
Stefan Decoster
Chris J. Glover
Scott A. Medling
John Lundsgaard Hansen
Arne Nylandsted-Larsen
Salvy P. Russo
Mark C. Ridgway
author_facet Ruixing Feng
Felipe Kremer
David J. Sprouster
Sahar Mirzaei
Stefan Decoster
Chris J. Glover
Scott A. Medling
John Lundsgaard Hansen
Arne Nylandsted-Larsen
Salvy P. Russo
Mark C. Ridgway
author_sort Ruixing Feng
collection DOAJ
description In this report, we have achieved a significant increase in the electrically active dopant fraction in Indium (In)-implanted Si0.35Ge0.65, by co-doping with the isovalent element Carbon (C). Electrical measurements have been correlated with X-ray absorption spectroscopy to determine the electrical properties and the In atom lattice location. With C + In co-doping, the solid solubility of In in Si0.35Ge0.65 was at least tripled from between 0.02 and 0.06 at% to between 0.2 and 0.6 at% as a result of C–In pair formation, which suppressed In metal precipitation. A dramatic improvement of electrical properties was thus attained in the co-doped samples.
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spelling doaj.art-eefc4c9e29444e4d9b3ccf1b28c9ebff2022-12-22T02:39:00ZengTaylor & Francis GroupMaterials Research Letters2166-38312017-01-0151293410.1080/21663831.2016.11692291169229Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-DopingRuixing Feng0Felipe Kremer1David J. Sprouster2Sahar Mirzaei3Stefan Decoster4Chris J. Glover5Scott A. Medling6John Lundsgaard Hansen7Arne Nylandsted-Larsen8Salvy P. Russo9Mark C. Ridgway10Australian National UniversityAustralian National UniversityBrookhaven National LaboratoryAustralian National UniversityKU Leuven, Instituut voor Kern-en StralingsfysicaAustralian SynchrotronAustralian National UniversityAarhus UniversityAarhus UniversityRMIT UniversityAustralian National UniversityIn this report, we have achieved a significant increase in the electrically active dopant fraction in Indium (In)-implanted Si0.35Ge0.65, by co-doping with the isovalent element Carbon (C). Electrical measurements have been correlated with X-ray absorption spectroscopy to determine the electrical properties and the In atom lattice location. With C + In co-doping, the solid solubility of In in Si0.35Ge0.65 was at least tripled from between 0.02 and 0.06 at% to between 0.2 and 0.6 at% as a result of C–In pair formation, which suppressed In metal precipitation. A dramatic improvement of electrical properties was thus attained in the co-doped samples.http://dx.doi.org/10.1080/21663831.2016.1169229SiGeC + In co-dopingX-ray absorption fine structureHall Effect
spellingShingle Ruixing Feng
Felipe Kremer
David J. Sprouster
Sahar Mirzaei
Stefan Decoster
Chris J. Glover
Scott A. Medling
John Lundsgaard Hansen
Arne Nylandsted-Larsen
Salvy P. Russo
Mark C. Ridgway
Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-Doping
Materials Research Letters
SiGe
C + In co-doping
X-ray absorption fine structure
Hall Effect
title Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-Doping
title_full Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-Doping
title_fullStr Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-Doping
title_full_unstemmed Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-Doping
title_short Enhanced Electrical Activation in In-Implanted Si0.35Ge0.65 by C Co-Doping
title_sort enhanced electrical activation in in implanted si0 35ge0 65 by c co doping
topic SiGe
C + In co-doping
X-ray absorption fine structure
Hall Effect
url http://dx.doi.org/10.1080/21663831.2016.1169229
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