{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,29]],"date-time":"2025-09-29T20:43:28Z","timestamp":1759178608908,"version":"3.41.2"},"reference-count":39,"publisher":"AIP Publishing","issue":"18","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2007,4,30]]},"abstract":"<jats:p>The authors have determined the lattice location of implanted arsenic in GaN by means of conversion electron emission channeling from radioactive As73. They give direct evidence that As is an amphoteric impurity, thus settling the long-standing question as to whether it prefers cation or anion sites in GaN. The amphoteric character of As and the fact that AsGa \u201cantisites\u201d are not minority defects provide additional aspects to be taken into account for an explanantion of the so-called miscibility gap in ternary GaAs1\u2212xNx compounds, which cannot be grown with a single phase for values of x in the range of 0.1&amp;lt;x&amp;lt;0.99.<\/jats:p>","DOI":"10.1063\/1.2736299","type":"journal-article","created":{"date-parts":[[2007,5,4]],"date-time":"2007-05-04T23:08:46Z","timestamp":1178320126000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":5,"title":["Amphoteric arsenic in GaN"],"prefix":"10.1063","volume":"90","author":[{"given":"U.","family":"Wahl","sequence":"first","affiliation":[{"name":"Instituto Tecnol\u00f3gico e Nuclear , Estrada Nacional 10, 2686-953 Sacav\u00e9m, Portugal and Centro de F\u00edsica Nuclear, , Avenida Professor Gama Pinto 2, 1649-003 Lisboa, Portugal"},{"name":"Universidade de Lisboa , Estrada Nacional 10, 2686-953 Sacav\u00e9m, Portugal and Centro de F\u00edsica Nuclear, , Avenida Professor Gama Pinto 2, 1649-003 Lisboa, Portugal"}]},{"given":"J. G.","family":"Correia","sequence":"additional","affiliation":[{"name":"Instituto Tecnol\u00f3gico e Nuclear , Estrada Nacional 10, 2686-953 Sacav\u00e9m, Portugal; Centro de F\u00edsica Nuclear, , Avenida Professor Gama Pinto 2, 1649-003 Lisboa, Portugal, and , 1211 Geneva 23, Switzerland"},{"name":"Universidade de Lisboa , Estrada Nacional 10, 2686-953 Sacav\u00e9m, Portugal; Centro de F\u00edsica Nuclear, , Avenida Professor Gama Pinto 2, 1649-003 Lisboa, Portugal, and , 1211 Geneva 23, Switzerland"},{"name":"CERN-PH , Estrada Nacional 10, 2686-953 Sacav\u00e9m, Portugal; Centro de F\u00edsica Nuclear, , Avenida Professor Gama Pinto 2, 1649-003 Lisboa, Portugal, and , 1211 Geneva 23, Switzerland"}]},{"given":"J. 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