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The band structures of wurtzite-AlN/InN and AlN/GaN superlattices are calculated by the Krnig-Penney model and the deformation potential theory under considering the lattice strain. Our calculations include the variation of band structure with the parameters for the sublayers, and the energy dispersion relations. It is found that by varying the sublayer thickness, the band structures can be well designed in different ways. The strain will change the bandgaps, reduce the band offsets and the sub-bands obviously, and make the valence band more complex. In comparison with the experimental results, our model is rather suited for simulating the narrow-quantum-well structures, while for the wide-quantum-well structures, the build-in field should be considered.
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Keywords:
- AlN/InN and AlN/GaN superlattices /
- Krnig-Penney model /
- strain /
- subband
[1] Kishino K, Kikuchi A, Kanazawa H, Tachibana T 2002 Appl. Phys. Lett. 81 1234
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[4] Hofstetter D, Baumann E, Giorgetta F R, Graf M, Maier M, Guillot F, Bellet-Amalric E, Monroy E 2006 Appl. Phys. Lett. 88 121112
[5] [6] [7] Nicolay S, Feltin E, Carlin J F, Grandjean N, Nevou L, Julien F H, Schmidbauer M, Remmele T, Albrecht M 2007 Appl. Phys. Lett. 91 061927
[8] [9] Bayram C, Fain B, Pr-Laperne N, McClintock R, Razeghi M 2009 Appl. Phys. Lett. 94 121902
[10] Cen L B, Shen B, Qin Z X, Zhang G Y 2009 Chin. Phys. 18 3905
[11] [12] Quay R 2008 Gallium Nitride Electronics (Berlin: Springer) pp390
[13] [14] Ding G J, Guo L W, Xing Z G, Chen Y, Xu P Q, Jia H Q, Zhou J M, Chen H 2010 Acta Phys. Sin. 59 5724 (in Chinese) [丁国建、郭丽伟、邢志刚、陈 耀、徐培强、贾海强、周均铭、陈 弘 2010 59 5724]
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[18] [19] Sakly A, Safta H, Mejri H, Lamine A B 2009 J. Alloys Compd. 476 648
[20] Xu M, Wang H T, Feng L H, Zhou X M, Cai Y P, Xu N 2001 Chin. J. Semicond. 22 436 (in Chinese) [徐 明、王洪涛、冯良桓、周心明、蔡亚平、徐 宁 2001 半导体学报 22 436]
[21] [22] [23] Wei Y, Dong C J, Xu M 2010 Sci. China G 40 55 (in Chinese) [魏 屹、董成军、徐 明 2010 中国科学 G 40 55]
[24] [25] Vurgaftman I, Meyer J R 2003 J. Appl. Phys. 94 3675
[26] Lepkowski S P, Majewski J A, Jurczak G 2005 Acta Phys. Pol. A 108 749
[27] [28] [29] Fonoberov V A, Balandin A A 2003 J. Appl. Phys. 94 7178
[30] [31] Bogusawski P, Rapcewicz K, Bernholc J J 2000 Phys. Rev. B 61 10820
[32] Guo B Z, Gong N, Yu F Q 2008 Chin. Phys. 17 290
[33] -
[1] Kishino K, Kikuchi A, Kanazawa H, Tachibana T 2002 Appl. Phys. Lett. 81 1234
[2] [3] Tchernycheva M, Nevou L, Doyennette L, Julien F H, Warde E, Guillot F, Monroy E, Bellet-Amalric E, Remmele T, Albrecht M 2006 Phys. Rev. B 73 125347
[4] Hofstetter D, Baumann E, Giorgetta F R, Graf M, Maier M, Guillot F, Bellet-Amalric E, Monroy E 2006 Appl. Phys. Lett. 88 121112
[5] [6] [7] Nicolay S, Feltin E, Carlin J F, Grandjean N, Nevou L, Julien F H, Schmidbauer M, Remmele T, Albrecht M 2007 Appl. Phys. Lett. 91 061927
[8] [9] Bayram C, Fain B, Pr-Laperne N, McClintock R, Razeghi M 2009 Appl. Phys. Lett. 94 121902
[10] Cen L B, Shen B, Qin Z X, Zhang G Y 2009 Chin. Phys. 18 3905
[11] [12] Quay R 2008 Gallium Nitride Electronics (Berlin: Springer) pp390
[13] [14] Ding G J, Guo L W, Xing Z G, Chen Y, Xu P Q, Jia H Q, Zhou J M, Chen H 2010 Acta Phys. Sin. 59 5724 (in Chinese) [丁国建、郭丽伟、邢志刚、陈 耀、徐培强、贾海强、周均铭、陈 弘 2010 59 5724]
[15] [16] [17] Song J J, Zhang H M, Hu H Y, Dai X Y, Xuan R X 2007 Chin. Phys. 16 3827
[18] [19] Sakly A, Safta H, Mejri H, Lamine A B 2009 J. Alloys Compd. 476 648
[20] Xu M, Wang H T, Feng L H, Zhou X M, Cai Y P, Xu N 2001 Chin. J. Semicond. 22 436 (in Chinese) [徐 明、王洪涛、冯良桓、周心明、蔡亚平、徐 宁 2001 半导体学报 22 436]
[21] [22] [23] Wei Y, Dong C J, Xu M 2010 Sci. China G 40 55 (in Chinese) [魏 屹、董成军、徐 明 2010 中国科学 G 40 55]
[24] [25] Vurgaftman I, Meyer J R 2003 J. Appl. Phys. 94 3675
[26] Lepkowski S P, Majewski J A, Jurczak G 2005 Acta Phys. Pol. A 108 749
[27] [28] [29] Fonoberov V A, Balandin A A 2003 J. Appl. Phys. 94 7178
[30] [31] Bogusawski P, Rapcewicz K, Bernholc J J 2000 Phys. Rev. B 61 10820
[32] Guo B Z, Gong N, Yu F Q 2008 Chin. Phys. 17 290
[33]
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