Imaging Atomic Scale Dynamics on III-V Nanowire Surfaces during Electrical Operation

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Webb, J. L.Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH (author)

Imaging Atomic Scale Dynamics on III-V Nanowire Surfaces during Electrical Operation

Article/chapterEnglish2017

Publisher, publication year, extent ...

2017-10-06
Springer Science and Business Media LLC,2017

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LIBRIS-ID:oai:lup.lub.lu.se:bbc025f7-df61-4016-bd37-eac3a5ef69a6
https://lup.lub.lu.se/record/bbc025f7-df61-4016-bd37-eac3a5ef69a6URI
https://doi.org/10.1038/s41598-017-13007-wDOI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:art swepub-publicationtype
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Notes

As semiconductor electronics keep shrinking, functionality depends on individual atomic scale surface and interface features that may change as voltages are applied. In this work we demonstrate a novel device platform that allows scanning tunneling microscopy (STM) imaging with atomic scale resolution across a device simultaneously with full electrical operation. The platform presents a significant step forward as it allows STM to be performed everywhere on the device surface and high temperature processing in reactive gases of the complete device. We demonstrate the new method through proof of principle measurements on both InAs and GaAs nanowire devices with variable biases up to 4 V. On InAs nanowires we observe a surprising removal of atomic defects and smoothing of the surface morphology under applied bias, in contrast to the expected increase in defects and electromigration-related failure. As we use only standard fabrication and scanning instrumentation our concept is widely applicable and opens up the possibility of fundamental investigations of device surface reliability as well as new electronic functionality based on restructuring during operation.

Subject headings and genre

TEKNIK OCH TEKNOLOGIER Nanoteknik Nanoteknik hsv//swe
ENGINEERING AND TECHNOLOGY Nano-technology Nano-technology hsv//eng
NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng

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Knutsson, J.Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)slju-jak (author)
Hjort, M.Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)slju-mkr (author)
McKibbin, S. R.Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)slju-srm (author)
Lehmann, S.Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-sil (author)
Thelander, C.Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-cth (author)
Dick, K. A.Lund University,Lunds universitet,Fasta tillståndets fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Solid State Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ftf-kdi (author)
Timm, R.Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)slju-ret (author)
Mikkelsen, A.Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)slju-ami (author)
SynkrotronljusfysikFysiska institutionen (creator_code:org_t)

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By the author/editor: Webb, J. L.; Knutsson, J.; Hjort, M.; McKibbin, S. R.; Lehmann, S.; Thelander, C.; show more...; Dick, K. A.; Timm, R.; Mikkelsen, A.; show less...

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ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Nano technology; and Nano technology

NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Condensed Matter ...

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