Activation Volume for Arsenic Diffusion in Germanium

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Activation Volume for Arsenic Diffusion in Germanium

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dc.contributor.author Mitha, Salman
dc.contributor.author Aziz, Michael
dc.contributor.author Schiferl, David
dc.contributor.author Poker, David B.
dc.date.accessioned 2009-05-18T18:25:45Z
dc.date.issued 1996
dc.identifier.citation Mitha, Salman, Michael J. Aziz, David Schiferl, and David B. Poker. 1996. Activation volume for arsenic diffusion in germanium. Applied Physics Letters 69(7): 922-924. en
dc.identifier.issn 0003-6951 en
dc.identifier.issn 1077-3118 en
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:2959838
dc.description.abstract We have measured the effect of pressure on As diffusion in Ge. Diffusion anneals on ion-implanted samples were carried out in a high-temperature diamond anvil cell using fluid argon as a clean, hydrostatic pressure medium. At 575 °C over the pressure range 0.1–4 GPa, pressure slightly enhances the diffusivity, characterized by an activation volume of –1.7 ± 1.4 cm3/mole or –0.12 ± 0.10 times the atomic volume. The results call into question the prevailing view that diffusion of groups III, IV, and V elements are mediated entirely by vacancies. If diffusion of As is mediated entirely by vacancies then either the vacancy formation volume must be unexpectedly low or the energy of vacancy migration must be unexpectedly high. en
dc.description.sponsorship Engineering and Applied Sciences en
dc.language.iso en_US en
dc.publisher American Institute of Physics en
dc.relation.isversionof http://dx.doi.org/10.1063/1.116944 en
dc.relation.hasversion http://www.seas.harvard.edu/matsci/people/aziz/publications/mja087.pdf en
dash.license LAA
dc.title Activation Volume for Arsenic Diffusion in Germanium en
dc.relation.journal Applied Physics Letters en
dash.depositing.author Aziz, Michael

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  • FAS Scholarly Articles [6898]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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