WFRF:(Shevchenko A. V.)
Sökning: WFRF:(Shevchenko A. V.) > (2010-2014) > Suppression of the ...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03424naa a2200433 4500 | |
| 001 | oai:DiVA.org:liu-100494 | |
| 003 | SwePub | |
| 008 | 131108s2013 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1004942 URI |
| 024 | 7 | a https://doi.org/10.1063/1.48221552 DOI |
| 040 | a (SwePub)liu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Toropov, A. A.u Russian Academic Science, Russia4 aut |
| 245 | 1 0 | a Suppression of the quantum-confined Stark effect in AlxGa1-xN/AlyGa1-yN corrugated quantum wells |
| 264 | 1 | b American Institute of Physics (AIP),c 2013 |
| 338 | a electronic2 rdacarrier | |
| 500 | a Funding Agencies|RFBR|12-02-00856-a12-02-00865-a13-02-00801-a13-02-12231-ofi-m|Pesidium of RAS|24| | |
| 520 | a We report comparative studies of 6-nm-thick AlxGa1-xN/AlyGa1-yN pyroelectric quantum wells (QWs) grown by plasma-assisted molecular beam epitaxy on c-sapphire substrates with a thick AlN buffer deposited under different growth conditions. The Al-rich growth conditions result in a 2D growth mode and formation of a planar QW, whereas the N-rich conditions lead to a 3D growth mode and formation of a QW corrugated on the size scale of 200-300 nm. Time-resolved photoluminescence (PL) measurements reveal a strong quantum-confined Stark effect in the planar QW, manifested by a long PL lifetime and a red shift of the PL line. In the corrugated QW, the emission line emerges 200 meV higher in energy, the low-temperature PL lifetime is 40 times shorter, and the PL intensity is stronger (similar to 4 times at 4.5K and similar to 60 times at 300 K). The improved emission properties are explained by suppression of the quantum-confined Stark effect due to the reduction of the built-in electric field within the QW planes, which are not normal to the [0001] direction, enhanced carrier localization, and improved efficiency of light extraction. | |
| 653 | a TECHNOLOGY | |
| 653 | a TEKNIKVETENSKAP | |
| 700 | 1 | a Shevchenko, E. A.u Russian Academic Science, Russia4 aut |
| 700 | 1 | a Shubina, T. V.u Russian Academic Science, Russia4 aut |
| 700 | 1 | a Jmerik, V. N.u Russian Academic Science, Russia4 aut |
| 700 | 1 | a Nechaev, D. V.u Russian Academic Science, Russia4 aut |
| 700 | 1 | a Yagovkina, M. A.u Russian Academic Science, Russia4 aut |
| 700 | 1 | a Sitnikova, A. A.u Russian Academic Science, Russia4 aut |
| 700 | 1 | a Ivanov, S. V.u Russian Academic Science, Russia4 aut |
| 700 | 1 | a Pozina, Galiau Linköpings universitet,Tunnfilmsfysik,Tekniska högskolan4 aut0 (Swepub:liu)galpo50 |
| 700 | 1 | a Bergman, J. P.u Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska högskolan4 aut0 (Swepub:liu)pedbe86 |
| 700 | 1 | a Monemar, Bou Linköpings universitet,Halvledarmaterial,Tekniska högskolan4 aut0 (Swepub:liu)bomo46 |
| 710 | 2 | a Russian Academic Science, Russiab Tunnfilmsfysik4 org |
| 773 | 0 | t Journal of Applied Physicsd : American Institute of Physics (AIP)g 114:12q 114:12x 0021-8979x 1089-7550 |
| 856 | 4 | u https://liu.diva-portal.org/smash/get/diva2:662930/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
| 856 | 4 | u http://liu.diva-portal.org/smash/get/diva2:662930/FULLTEXT01 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-100494 |
| 856 | 4 8 | u https://doi.org/10.1063/1.4822155 |
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