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The transfer characteristics and low-frequency noise behavior of partially depleted silicon on insulator n-channel metal-oxide-semiconductor transistors after γ-ray irradiation up to a total dose of 1M rad (Si) have been investigated in this paper. Due to the radiation-induced positive buried-oxide trapped charges and the interface traps, the back gate threshold voltage decreases from 44.72 to 12.88 V, and the electron field effect on mobility decreases from 473.7 to 419.8 cm2/V·s; while the sub-threshold swing increases from 2.47 to 3.93 V/dec. Based on the measurements of sub-threshold swing and the back gate threshold voltage, the variations of extracted radiation-induced buried oxide trapped charge and interface trap densities, are about 2.36×1012 cm-2 and 5.33×1011 cm-2 respectively. In addition, the normalized back gate flat-band voltage noise power spectral density is a sensitive function of radiation-induced buried oxide trapped charges and interface traps, which increases from 7×10-10 V2·Hz-1 to 1.8×10- 9 V2·Hz-1. According to the carrier number fluctuation model, the extracted trap density near the interface between channel and buried oxide increases from 1.42×1017 to 3.66×1017 cm- 3·eV-1. By considering the tunneling attenuation coefficient of the electron wave function and the tunneling depth of the electron in the buried oxide, the spatial distribution of trapped charges in the buried oxide before and after radiation are calculated and discussed.
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Keywords:
- silicon on insulator /
- partially depleted /
- ionizing radiation /
- low frequency noise
[1] Schwank J R, Ferlet-Cavrois V, Shaneyfelt M R, Paillet P, Dodd P E 2003 IEEE Trans. Nucl. Sci. 50 522
[2] Barnaby H J 2006 IEEE Trans. Nucl. Sci. 53 3103
[3] Simoen E, Mercha A, Claeys C, Lukyanchikova N 2007 Solid-State Electron. 51 16
[4] Jevtic M M 1995 Microelectron. Reliab. 35 455
[5] Jayarman R, Sodini C G 1989 IEEE Trans. Electron. Dev. 36 1773
[6] Fleetwood D M, Shaneyfelt M R, Schwank J R 1994 Appl. Phys Lett. 64 1965
[7] Sun P, Du L, He L, Chen W H, Liu Y D, Zhao Y 2012 Acta Phys. Sin. 61 127808 (in Chinese) [孙鹏, 杜磊, 何亮, 陈文豪, 刘玉栋, 赵瑛 2012 物理学报 61 127808]
[8] Liu Y, Wu W J, Li B, En Y F, Wang L, Liu Y R 2014 Acta Phys. Sin. 63 098503 (in Chinese) [刘远, 吴为敬, 李斌, 恩云飞, 王磊, 刘玉荣 2014 物理学报 63 098503]
[9] Zhang B Q, Zheng Z S, Yu F, Ning J, Tang H M, Yang Z A 2013 Acta Phys. Sin. 62 117303 (in Chinese) [张百强, 郑中山, 于芳, 宁瑾, 唐海马, 杨志安 2013 物理学报 62 117303]
[10] Peng C, Hu Z Y, Ning B X, Huang H X, Zhang Z X, Bi D W, En Y F, Zou S C 2014 IEEE Electron. Dev. Lett. 35 503
[11] Huang H X, Bi D W, Chen M, Zhang Z X, Wei X, Hu Z Y, Zhang Z X 2014 IEEE Trans. Nucl. Sci. 61 1400
[12] Xiong H D, Fleetwood D M, Felix J A, Gusev E P, Emic C D 2003 Appl. Phys Lett.. 83 5232
[13] Xiong H D, Jun B, Fleetwood D M, Schrimpf R D, Schwank 2004 IEEE Trans. Nucl. Sci. 51 3238
[14] Ferlet-Cavrois V, Colladant T, Paillet P, Leray J L, Musseau O, Schwank J R, Shaneyfelt M R, Pelloie J L, de Poncharra J D 2000 IEEE Trans. Nucl. Sci. 47 2183
[15] Jomaah J, Balestra 2004 IEE Proc. Circuits Devices Syst. 151 111
[16] Liu Y, Wu W J, En Y F, Wang L, Lei Z F, Wang X H 2014 IEEE Electron. Dev. Lett. 35 369
[17] Ioannidis E G, Tsormpatzoglou A, Tassis D H, Dimitriadis C A, Templier F, Kamarinos G 2010 J. Applied Phys. 108 106103
[18] Rahal M, Lee M, Burdett A P 2002 IEEE Trans. Electron. Dev. 49 319
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[1] Schwank J R, Ferlet-Cavrois V, Shaneyfelt M R, Paillet P, Dodd P E 2003 IEEE Trans. Nucl. Sci. 50 522
[2] Barnaby H J 2006 IEEE Trans. Nucl. Sci. 53 3103
[3] Simoen E, Mercha A, Claeys C, Lukyanchikova N 2007 Solid-State Electron. 51 16
[4] Jevtic M M 1995 Microelectron. Reliab. 35 455
[5] Jayarman R, Sodini C G 1989 IEEE Trans. Electron. Dev. 36 1773
[6] Fleetwood D M, Shaneyfelt M R, Schwank J R 1994 Appl. Phys Lett. 64 1965
[7] Sun P, Du L, He L, Chen W H, Liu Y D, Zhao Y 2012 Acta Phys. Sin. 61 127808 (in Chinese) [孙鹏, 杜磊, 何亮, 陈文豪, 刘玉栋, 赵瑛 2012 物理学报 61 127808]
[8] Liu Y, Wu W J, Li B, En Y F, Wang L, Liu Y R 2014 Acta Phys. Sin. 63 098503 (in Chinese) [刘远, 吴为敬, 李斌, 恩云飞, 王磊, 刘玉荣 2014 物理学报 63 098503]
[9] Zhang B Q, Zheng Z S, Yu F, Ning J, Tang H M, Yang Z A 2013 Acta Phys. Sin. 62 117303 (in Chinese) [张百强, 郑中山, 于芳, 宁瑾, 唐海马, 杨志安 2013 物理学报 62 117303]
[10] Peng C, Hu Z Y, Ning B X, Huang H X, Zhang Z X, Bi D W, En Y F, Zou S C 2014 IEEE Electron. Dev. Lett. 35 503
[11] Huang H X, Bi D W, Chen M, Zhang Z X, Wei X, Hu Z Y, Zhang Z X 2014 IEEE Trans. Nucl. Sci. 61 1400
[12] Xiong H D, Fleetwood D M, Felix J A, Gusev E P, Emic C D 2003 Appl. Phys Lett.. 83 5232
[13] Xiong H D, Jun B, Fleetwood D M, Schrimpf R D, Schwank 2004 IEEE Trans. Nucl. Sci. 51 3238
[14] Ferlet-Cavrois V, Colladant T, Paillet P, Leray J L, Musseau O, Schwank J R, Shaneyfelt M R, Pelloie J L, de Poncharra J D 2000 IEEE Trans. Nucl. Sci. 47 2183
[15] Jomaah J, Balestra 2004 IEE Proc. Circuits Devices Syst. 151 111
[16] Liu Y, Wu W J, En Y F, Wang L, Lei Z F, Wang X H 2014 IEEE Electron. Dev. Lett. 35 369
[17] Ioannidis E G, Tsormpatzoglou A, Tassis D H, Dimitriadis C A, Templier F, Kamarinos G 2010 J. Applied Phys. 108 106103
[18] Rahal M, Lee M, Burdett A P 2002 IEEE Trans. Electron. Dev. 49 319
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