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Author

  • Shinichi Nishizawa

2.5kV, 200kW bi-directional isolated DC/DC converter for medium-voltage applications

Matsuoka, Y., Wada, K., Nakahara, M., Takao, K., Sung, K., Ohashi, H. & Nishizawa, S., Jan 1 2014, 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014. IEEE Computer Society, p. 744-749 6 p. 6869671

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

3300V Scaled IGBTs Driven by 5V Gate Voltage

Saraya, T., Itou, K., Takakura, T., Fukui, M., Suzuki, S., Takeuchi, K., Tsukuda, M., Numasawa, Y., Satoh, K., Matsudai, T., Saito, W., Kakushima, K., Hoshii, T., Furukawa, K., Watanabe, M., Shigyo, N., Wakabayashi, H., Tsutsui, K., Iwai, H., Ogura, A. & 4 others, Nishizawa, S. I., Omura, I., Ohashi, H. & Hiramoto, T., May 2019, 2019 31st International Symposium on Power Semiconductor Devices and ICs, ISPSD 2019. Institute of Electrical and Electronics Engineers Inc., p. 43-46 4 p. 8757626. (Proceedings of the International Symposium on Power Semiconductor Devices and ICs; vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

3D scaling for insulated gate bipolar transistors (IGBTs) with low Vce(sat)

Tsutsui, K., Kakushima, K., Hoshii, T., Nakajima, A., Nishizawa, S., Wakabayashi, H., Muneta, I., Sato, K., Matsudai, T., Saito, W., Saraya, T., Itou, K., Fukui, M., Suzuki, S., Kobayashi, M., Takakura, T., Hiramoto, T., Ogura, A., Numasawa, Y., Omura, I. & 2 others, Ohashi, H. & Iwai, H., Jul 1 2017, Proceedings - 2017 IEEE 12th International Conference on ASIC, ASICON 2017. Qin, Y., Hong, Z. & Tang, T-A. (eds.). IEEE Computer Society, p. 1137-1140 4 p. (Proceedings of International Conference on ASIC; vol. 2017-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4.5kV-400A modules using SiC-PiN diodes and Si-IEGTs hybrid pair for high power medium-voltage power converters

Takao, K., Wada, K., Sung, K., Mastuoka, Y., Tanaka, Y., Nishizawa, S., Ota, C., Kanai, T., Shinohe, T. & Ohashi, H., Dec 17 2012, 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. p. 1509-1514 6 p. 6342635. (2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

4.5 kV - 400 A SiC-PiN diode and Si-IEGT hybrid pair module for high switching frequency operation

Takao, K., Wada, K., Sung, K., Mastuoka, Y., Tanaka, Y., Nishizawa, S., Kanai, T., Shinohe, T. & Ohashi, H., Jan 1 2013.

Research output: Contribution to conferencePaper

2 Citations (Scopus)
Open Access
2 Citations (Scopus)

Alternated Trench-Gate IGBT for Low Loss and Suppressing Negative Gate Capacitance

Saito, W. & Nishizawa, S. I., Aug 2020, In : IEEE Transactions on Electron Devices. 67, 8, p. 3285-3290 6 p., 9127192.

Research output: Contribution to journalArticle

Analysis of back-gate effect on threshold voltage of p-channel GaN MOSFETs on polarization-junction substrates

Hoshii, T., Nakajima, A., Nishizawa, S. I., Ohashi, H., Kakushima, K., Wakabayashi, H. & Tsutsui, K., 2019, In : Japanese journal of applied physics. 58, 6, 061006.

Research output: Contribution to journalArticle

Open Access

Analysis of growth velocity of SiC growth by the physical vapor transport method

Kakimoto, K., Gao, B., Shiramomo, T., Nakano, S. & Nishizawa, S. I., May 28 2012, Silicon Carbide and Related Materials 2011, ICSCRM 2011. p. 25-28 4 p. (Materials Science Forum; vol. 717-720).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

An evaluation circuit for DC-link capacitors used in a single- phase PWM inverter

Hasegawa, K., Omura, I. & Nishizawa, S. I., Jan 1 2017, PCIM Europe 2017 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. Institute of Electrical and Electronics Engineers Inc., 7990846. (PCIM Europe 2017 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

A new evaluation circuit with a low-voltage inverter intended for capacitors used in a high-power three-phase inverter

Hasegawa, K., Omura, I. & Nishizawa, S. I., May 10 2016, 2016 IEEE Applied Power Electronics Conference and Exposition, APEC 2016. Institute of Electrical and Electronics Engineers Inc., p. 3032-3037 6 p. 7468295. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2016-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

An Overview of GaN-Based Monolithic Power Integrated Circuit Technology on Polarization-Junction Platform

Nakajima, A., Nishizawa, S. I., Kubota, S., Kayanuma, R., Tsutsui, K., Ohashi, H., Kakushima, K., Wakabayashi, H. & Iwai, H., Oct 30 2015, 2015 IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2015. Institute of Electrical and Electronics Engineers Inc., 7314489. (2015 IEEE Compound Semiconductor Integrated Circuit Symposium, CSICS 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Assist Gate MOSFETs for Improvement of On-Resistance and Turn-Off Loss Trade-Off

Saito, W. & Nishizawa, S. I., Jul 2020, In : IEEE Electron Device Letters. 41, 7, p. 1060-1062 3 p., 9085363.

Research output: Contribution to journalArticle

Bipolar Transistor Test Structures for Extracting Minority Carrier Lifetime in IGBTs

Takeuchi, K., Fukui, M., Saraya, T., Itou, K., Takakura, T., Suzuki, S., Numasawa, Y., Shigyo, N., Kakushima, K., Hoshii, T., Furukawa, K., Watanabe, M., Wakabayashi, H., Tsutsui, K., Iwai, H., Ogura, A., Saito, W., Nishizawa, S. I., Tsukuda, M., Omura, I. & 2 others, Ohashi, H. & Hiramoto, T., May 2020, In : IEEE Transactions on Semiconductor Manufacturing. 33, 2, p. 159-165 7 p., 8986674.

Research output: Contribution to journalArticle

Bulk and surface effects on the polytype stability in SiC crystals

Mercier, F. & Nishizawa, S., May 28 2012, Silicon Carbide and Related Materials 2011, ICSCRM 2011. p. 41-44 4 p. (Materials Science Forum; vol. 717-720).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Characterization of two-dimensional hole gas at GaN/AlGaN heterointerface

Liu, P., Kakushima, K., Iwai, H., Nakajima, A., Makino, T., Ogura, M., Nishizawa, S. & Ohashi, H., 2013, 1st IEEE Workshop on Wide Bandgap Power Devices and Applications, WiPDA 2013 - Proceedings. p. 155-158 4 p. 6695585. (1st IEEE Workshop on Wide Bandgap Power Devices and Applications, WiPDA 2013 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Chloride-based CVD growth of silicon carbide for electronic applications

Pedersen, H., Leone, S., Kordina, O., Henry, A., Nishizawa, S., Koshka, Y. & Janzén, E., Apr 11 2012, In : Chemical Reviews. 112, 4, p. 2434-2453 20 p.

Research output: Contribution to journalReview article

65 Citations (Scopus)
11 Citations (Scopus)

CSTBT™ technology for high voltage applications with high dynamic robustness and low overall loss

Nakamura, K., Chen, Z., Nishizawa, S. I. & Furukawa, A., Jul 2020, In : Microelectronics Reliability. 110, 113635.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Demonstration of 1200V Scaled IGBTs Driven by 5V Gate Voltage with Superiorly Low Switching Loss

Saraya, T., Itou, K., Takakura, T., Fukui, M., Suzuki, S., Takeuchi, K., Tsukuda, M., Numasawa, Y., Satoh, K., Matsudai, T., Saito, W., Kakushima, K., Hoshii, T., Furukawa, K., Watanabe, M., Shigyo, N., Tsutsui, K., Iwai, H., Ogura, A., Nishizawa, S. & 3 others, Omura, I., Ohashi, H. & Hiramoto, T., Jan 16 2019, 2018 IEEE International Electron Devices Meeting, IEDM 2018. Institute of Electrical and Electronics Engineers Inc., p. 8.4.1-8.4.4 8614491. (Technical Digest - International Electron Devices Meeting, IEDM; vol. 2018-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Design and analysis of a bus bar structure for a medium voltage inverter

Ando, M., Wada, K., Takao, K., Kanai, T., Nishizawa, S. & Ohashi, H., Oct 11 2011, Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011. 6020404. (Proceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

Design and Analysis of a New Evaluation Circuit for Capacitors Used in a High-Power Three-Phase Inverter

Hasegawa, K., Omura, I. & Nishizawa, S. I., May 2016, In : IEEE Transactions on Industrial Electronics. 63, 5, p. 2679-2687 9 p., 7362196.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Design and implementation of a non-destructive test circuit for SiC-MOSFETs

Wada, K., Nishizawa, S. & Ohashi, H., 2012, Conference Proceedings - 2012 IEEE 7th International Power Electronics and Motion Control Conference - ECCE Asia, IPEMC 2012. Vol. 1. p. 10-15 6 p. 6258831

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Diamond power devices - Possbility of high voltage applicatios

Yamasaki, S., Matsumoto, T., Oyama, K., Kato, H., Ogura, M., Takeuchi, D., Makino, T., Nishizawa, S., Oohash, H. & Okushi, H., 2011, 2011 1st International Conference on Electric Power Equipment - Switching Technology, ICEPE2011 - Proceedings. p. 418-420 3 p. 6123021. (2011 1st International Conference on Electric Power Equipment - Switching Technology, ICEPE2011 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dislocation Propagation in Si 300 mm Wafer during High Thermal Budget Process and Its Optimization

Sato, R., Kakimoto, K., Saito, W. & Nishizawa, S. I., Sep 2020, Proceedings of the 2020 32nd International Symposium on Power Semiconductor Devices and ICs, ISPSD 2020. Institute of Electrical and Electronics Engineers Inc., p. 494-497 4 p. 9170035. (Proceedings of the International Symposium on Power Semiconductor Devices and ICs; vol. 2020-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamic Avalanche Free Design in 1.2kV Si-IGBTs for Ultra High Current Density Operation

Luo, P., Ekkanath Madathil, S. N., Nishizawa, S. I. & Saito, W., Dec 2019, 2019 IEEE International Electron Devices Meeting, IEDM 2019. Institute of Electrical and Electronics Engineers Inc., 8993596. (Technical Digest - International Electron Devices Meeting, IEDM; vol. 2019-December).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Dynamic Avalanche Free Super Junction-TCIGBT for High Power Density Operation

Luo, P., Madathil, S. N. E., Nishizawa, S. I. & Saito, W., Sep 2020, Proceedings of the 2020 32nd International Symposium on Power Semiconductor Devices and ICs, ISPSD 2020. Institute of Electrical and Electronics Engineers Inc., p. 470-473 4 p. 9170129. (Proceedings of the International Symposium on Power Semiconductor Devices and ICs; vol. 2020-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Editorial

Derby, J. J., Kakimoto, K. & Nishizawa, S. I., May 15 2020, In : Journal of Crystal Growth. 538, 125594.

Research output: Contribution to journalEditorial

Effect of low frequency magnetic field on SiC solution growth

Mercier, F. & Nishizawa, S. I., Apr 28 2011, Silicon Carbide and Related Materials 2010. p. 32-35 4 p. (Materials Science Forum; vol. 679-680).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Effect of nitrogen and aluminium on silicon carbide polytype stability

Nishizawa, S. & F.Mercier, Jul 15 2019, In : Journal of Crystal Growth. 518, p. 99-102 4 p.

Research output: Contribution to journalArticle

Epitaxial growth of SiC with chlorinated precursors on different off-angle substrates

Leone, S., Henry, A., Janzén, E. & Nishizawa, S., Jan 1 2013, In : Journal of Crystal Growth. 362, 1, p. 170-173 4 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Erratum: Impact of semiconductor on diamond structure for power supply on chip applications (Japanese Journal of Applied Physics (2014) 53 (04EP16))

Nakagawa, K., Kodama, T., Matsumoto, S., Yamada, T., Hasegawa, M. & Nishizawa, S., Jun 2014, In : Japanese journal of applied physics. 53, 6, 069202.

Research output: Contribution to journalComment/debate

Evaluation of Dynamic Avalanche Performance in 1.2-kV MOS-Bipolar Devices

Luo, P., Madathil, S. N. E., Nishizawa, S. I. & Saito, W., Sep 2020, In : IEEE Transactions on Electron Devices. 67, 9, p. 3691-3697 7 p., 9145633.

Research output: Contribution to journalArticle

Evaluation of sic­mosfet by repetitive uis tests for solid state circuit breaker

Sagara, M., Wada, K. & Nishizawa, SI., 2020, Silicon Carbide and Related Materials 2019. Yano, H., Ohshima, T., Eto, K., Mitani, T., Harada, S. & Tanaka, Y. (eds.). Trans Tech Publications Ltd, p. 1010-1015 6 p. (Materials Science Forum; vol. 1004 MSF).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Evaluations of minority carrier lifetime in floating zone Si affected by Si insulated gate bipolar transistor processes

Kobayashi, H., Yokogawa, R., Kinoshita, K., Numasawa, Y., Ogura, A., Nishizawa, S., Saraya, T., Ito, K., Takakura, T., Suzuki, S. I., Fukui, M., Takeuchi, K. & Hiramoto, T., Jan 1 2019, In : Japanese Journal of Applied Physics. 58, 59, SBBD07.

Research output: Contribution to journalArticle

Open Access

Experimental evaluation of 10kHz switching operation of 4.5kV-400A SiC-PiN diode and Si-IEGT hybrid pair module

Takao, K., Wada, K., Sung, K., Mastuoka, Y., Tanaka, Y., Nishizawa, S., Ota, C., Kanai, T., Shinohe, T. & Ohashi, H., Dec 31 2013, 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013. p. 1577-1583 7 p. 6646893. (2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Experimental investigation of normally-on type bidirectional switch for indirect Matrix Converters

Sung, K., Iijima, R., Nishizawa, S., Norigoe, I. & Ohashi, H., Jan 1 2014, 2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014. IEEE Computer Society, p. 117-122 6 p. 6869568. (2014 International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Experimental verification of a 3D scaling principle for low Vce(sat) IGBT

Kakushima, K., Hoshii, T., Tsutsui, K., Nakajima, A., Nishizawa, S., Wakabayashi, H., Muneta, I., Sato, K., Matsudai, T., Saito, W., Saraya, T., Itou, K., Fukui, M., Suzuki, S., Kobayashi, M., Takakura, T., Hiramoto, T., Ogura, A., Numasawa, Y., Omura, I. & 2 others, Ohashi, H. & Iwai, H., Jan 31 2017, 2016 IEEE International Electron Devices Meeting, IEDM 2016. Institute of Electrical and Electronics Engineers Inc., p. 10.6.1-10.6.4 7838390. (Technical Digest - International Electron Devices Meeting, IEDM).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Freewheeling Diode Technology with Low Loss and High Dynamic Ruggedness in High-Speed IGBT Applications

Nakamura, K., Masuoka, F., Nishii, A., Nishizawa, S. I. & Furukawa, A., Nov 2019, In : IEEE Transactions on Electron Devices. 66, 11, p. 4842-4849 8 p., 8852709.

Research output: Contribution to journalArticle

1 Citation (Scopus)

GaN-based monolithic power integrated circuit technology with wide operating temperature on polarization-junction platform

Nakajima, A., Nishizawa, S. I., Ohashi, H., Kayanuma, R., Tsutsui, K., Kubota, S., Kakushima, K., Wakabayashi, H. & Iwai, H., Jun 12 2015, 2015 IEEE 27th International Symposium on Power Semiconductor Devices and IC's, ISPSD 2015. Institute of Electrical and Electronics Engineers Inc., p. 357-360 4 p. 7123463. (Proceedings of the International Symposium on Power Semiconductor Devices and ICs; vol. 2015-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Gas-phase modeling of chlorine-based chemical vapor deposition of silicon carbide

Leone, S., Kordina, O., Henry, A., Nishizawa, S. I., Danielsson, Ö. & Janzén, E., Apr 4 2012, In : Crystal Growth and Design. 12, 4, p. 1977-1984 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Generation and transportation mechanisms for two-dimensional hole gases in GaN/AlGaN/GaN double heterostructures

Nakajima, A., Liu, P., Ogura, M., Makino, T., Kakushima, K., Nishizawa, S., Ohashi, H., Yamasaki, S. & Iwai, H., Apr 21 2014, In : Journal of Applied Physics. 115, 15, 153707.

Research output: Contribution to journalArticle

19 Citations (Scopus)

High dV/dt Controllability of 1.2kV Si-TCIGBT for High Flexibility Design with Ultra-low Loss Operation

Luo, P., Ekkanath Madathil, S. N., Nishizawa, S. I. & Saito, W., Mar 2020, APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., p. 686-689 4 p. 9124293. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2020-March).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High-speed dicing of SiC wafers by femtosecond pulsed laser

Nakajima, A., Tateishi, Y., Murakami, H., Takahashi, H., Ota, M., Kosugi, R., Mitani, T., Nishizawa, S. I. & Ohashi, H., Jan 1 2015, Silicon Carbide and Related Materials 2014. Chaussende, D. & Ferro, G. (eds.). Trans Tech Publications Ltd, p. 524-527 4 p. (Materials Science Forum; vol. 821-823).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High Switching Controllability Trench Gate Design in Si-IGBTs

Saito, W. & Nishizawa, S. I., Sep 2020, Proceedings of the 2020 32nd International Symposium on Power Semiconductor Devices and ICs, ISPSD 2020. Institute of Electrical and Electronics Engineers Inc., p. 447-450 4 p. 9170118. (Proceedings of the International Symposium on Power Semiconductor Devices and ICs; vol. 2020-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Impact of semiconductor on diamond structure for power supply on chip applications

Nakagawa, K., Kodama, T., Matsumoto, S., Yamada, T., Hasegawa, M. & Nishizawa, S., Apr 2014, In : Japanese Journal of Applied Physics. 53, 4 SPEC. ISSUE, 04EP16.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Impact of structural parameter scaling on on-state voltage in 1200 v scaled IGBTs

Saraya, T., Itou, K., Takakura, T., Fukui, M., Suzuki, S., Takeuchi, K., Kakushima, K., Hoshii, T., Tsutsui, K., Iwai, H., Nishizawa, S. I., Omura, I. & Hiramoto, T., Apr 1 2020, In : Japanese journal of applied physics. 59, SG, SGGD18.

Research output: Contribution to journalArticle

Impact of three-dimensional current flow on accurate TCAD simulation for trench-gate IGBTs

Watanabe, M., Shigyo, N., Hoshii, T., Furukawa, K., Kakushima, K., Satoh, K., Matsudai, T., Saraya, T., Takakura, T., Itou, K., Fukui, M., Suzuki, S., Takeuchi, K., Muneta, I., Wakabayashi, H., Nakajima, A., Nishizawa, S. I., Tsutsui, K., Hiramoto, T., Ohashi, H. & 1 others, Iwai, H., May 2019, 2019 31st International Symposium on Power Semiconductor Devices and ICs, ISPSD 2019. Institute of Electrical and Electronics Engineers Inc., p. 311-314 4 p. 8757640. (Proceedings of the International Symposium on Power Semiconductor Devices and ICs; vol. 2019-May).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

In-situ measurement of CO gas concentration in a Czochralski furnace of silicon crystals

Miyamura, Y., Harada, H., Liu, X., Nakano, S., Nishizawa, S. & Kakimoto, K., Feb 1 2019, In : Journal of Crystal Growth. 507, p. 154-156 3 p.

Research output: Contribution to journalArticle