Mechanisms of electrical isolation in O+-irradiated ZnO
dc.contributor.author | Zubiaga, A | en_AU |
dc.contributor.author | Tuomisto, F | en_AU |
dc.contributor.author | Coleman, Victoria A | en_AU |
dc.contributor.author | Jagadish, Chennupati | en_AU |
dc.contributor.author | Koike, Kazuto | en_AU |
dc.contributor.author | Sasa, Shigehiko | en_AU |
dc.contributor.author | Inoue, Masataka | en_AU |
dc.contributor.author | Yano, Mitsuaki | en_AU |
dc.contributor.author | Tan, Hark Hoe | en_AU |
dc.date.accessioned | 2015-12-08T22:41:37Z | |
dc.date.available | 2015-12-08T22:41:37Z | |
dc.date.issued | 2008 | |
dc.date.updated | 2015-12-08T10:29:21Z | |
dc.description.abstract | We have applied positron annihilation spectroscopy combined with sheet resistance measurements to study the electrical isolation of thin ZnO layers irradiated with 2 MeV O+ ions at various fluences. Our results indicate that Zn vacancies, the dominant defects detected by positrons, are produced in the irradiation at a relatively low rate of about 2000 cm-1 when the ion fluence is at most 1015 cm-2 and that vacancy clusters are created at higher fluences. The Zn vacancies introduced in the irradiation act as dominant compensating centers and cause the electrical isolation, while the results suggest that the vacancy clusters are electrically inactive. | |
dc.identifier.issn | 1098-0121 | |
dc.identifier.uri | http://hdl.handle.net/1885/36727 | |
dc.publisher | American Physical Society | |
dc.source | Physical Review B: Condensed Matter and Materials | |
dc.title | Mechanisms of electrical isolation in O+-irradiated ZnO | |
dc.type | Journal article | |
local.bibliographicCitation.issue | 3 | |
local.bibliographicCitation.lastpage | 5 | |
local.bibliographicCitation.startpage | 1 | |
local.contributor.affiliation | Zubiaga, A, Helsinki University of Technology | |
local.contributor.affiliation | Tuomisto, F, Helsinki University of Technology | |
local.contributor.affiliation | Coleman, Victoria A, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Tan, Hoe Hark, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Jagadish, Chennupati, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Koike, Kazuto, Osaka Institute of Technology | |
local.contributor.affiliation | Sasa, Shigehiko, Osaka Institute of Technology | |
local.contributor.affiliation | Inoue, Masataka, Osaka Institute of Technology | |
local.contributor.affiliation | Yano, Mitsuaki, Osaka Institute of Technology | |
local.contributor.authoremail | u9302338@anu.edu.au | |
local.contributor.authoruid | Coleman, Victoria A, u4014712 | |
local.contributor.authoruid | Tan, Hoe Hark, u9302338 | |
local.contributor.authoruid | Jagadish, Chennupati, u9212349 | |
local.description.notes | Imported from ARIES | |
local.identifier.absfor | 020499 - Condensed Matter Physics not elsewhere classified | |
local.identifier.ariespublication | u3488905xPUB140 | |
local.identifier.citationvolume | 78 | |
local.identifier.doi | 10.1103/PhysRevB.78.035125 | |
local.identifier.scopusID | 2-s2.0-48949105170 | |
local.identifier.thomsonID | 000258190300054 | |
local.identifier.uidSubmittedBy | u3488905 | |
local.type.status | Published Version |