Peculiarities of tunneling current in w-AlN/GaN(0001) two-barrier structures induced by deep-level defects; Journal of Applied Physics; Vol. 120, iss. 5
| Parent link: | Journal of Applied Physics Vol. 120, iss. 5.— 2016.— [154302, 8 p.] |
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| Summary: | Title screen The influence of deep-level defects localized in spacer layers on the tunneling current in a w-AlN/GaN (0001) double-barrier structure is studied. It is shown that the current value essentially depends on the nature and spatial distribution of defects. New effects (screening of built-in fields, negative feedback, fixing of current peaks at high temperature) and a new mechanism of formation of resonances and tunneling current hysteresis caused by deep centers are established. The results of calculation agree with a number of experimental data on the position and temperature dependence of the current peak. It is noted that the current bistability can be caused by multicharged deep centers localized near the heteroboundaries of a double-barrier structure. Due to the defects, electric field in the barriers can reach values, at which the Poole-Frenkel effect should be taken into account. Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | inglés |
| Publicado: |
2016
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| Subjects: | |
| Acceso en liña: | http://dx.doi.org/10.1063/1.4964876 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652584 |
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| 200 | 1 | |a Peculiarities of tunneling current in w-AlN/GaN(0001) two-barrier structures induced by deep-level defects |f S. N. Grinyaev, A. N. Razzhuvalov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 30 tit.] | ||
| 330 | |a The influence of deep-level defects localized in spacer layers on the tunneling current in a w-AlN/GaN (0001) double-barrier structure is studied. It is shown that the current value essentially depends on the nature and spatial distribution of defects. New effects (screening of built-in fields, negative feedback, fixing of current peaks at high temperature) and a new mechanism of formation of resonances and tunneling current hysteresis caused by deep centers are established. The results of calculation agree with a number of experimental data on the position and temperature dependence of the current peak. It is noted that the current bistability can be caused by multicharged deep centers localized near the heteroboundaries of a double-barrier structure. Due to the defects, electric field in the barriers can reach values, at which the Poole-Frenkel effect should be taken into account. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of Applied Physics | ||
| 463 | |t Vol. 120, iss. 5 |v [154302, 8 p.] |d 2016 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 700 | 1 | |a Grinyaev |b S. N. |c physicist |c Associate Professor of Tomsk Polytechnic University, Candidate of physical and mathematical science |f 1951- |g Sergey Nikolaevich |3 (RuTPU)RU\TPU\pers\32574 | |
| 701 | 1 | |a Razzhuvalov |b A. N. |c physicist |c associate Professor of Tomsk Polytechnic University, candidate of physico-mathematical Sciences |f 1976- |g Alexander Nikolaevich |3 (RuTPU)RU\TPU\pers\36680 |9 19719 | |
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