Activation Volume for Arsenic Diffusion in Germanium

Activation Volume for Arsenic Diffusion in Germanium

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Activation Volume for Arsenic Diffusion in Germanium

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