Nanotechnology/Materials, Inorganic materials

Nanotechnology/Materials, Applied materials

Nanotechnology/Materials, Crystal engineering

Nanotechnology/Materials, Applied physics - general

chalcogenide materials

phase change phenomena

photothermal deflection spectroscopy

amorphous semiconductors

nano fractal structure

amorphous semiconductorscanning probe microscopyphotothermal spectroscopy

Charge-triggered switching mechanism in selenium selector enabling ultralow leakage current, Yuting Sun, Tamihiro Gotoh, Jiayi Zhao, Mengfei Zhang, Shucheng Shi, Hui Zhang, Zhi Liu, Jiabin Shen, Richard Dronskowski, Zhitang Song, Stephen R. Elliott, Min Zhu, Yes, No, No, 02 Mar. 2026, Nature Materials, 25, 651, 658, Scientific journal

High-Thermal-Stability Ovonic Threshold Switch Based on Silicon-Doped GeS, Tuo Liu , Tamihiro Gotoh , Zhitang Song , Min Zhu, No, No, No, Oct. 2025, IEEE Electron Device Letters, 46, 10, 1761, 1764, Scientific journal

Depth measurement of phase-change patterns formed in Ge–Sb–Te films by an interferometric microscope, Kentaro Sugawara , Tamihiro Gotoh, No, Yes, No, 07 Jul. 2025, Journal of Materials Science: Materials in Electronics, 36, 19, 1186-1, 1186-8, Scientific journal

Volatile to Non‐Volatile Switching Transition in Chalcogenides, Zihao Zhao, Mengfei Zhang, Qun Yang, Tamihiro Gotoh, Qingqin Ge, Nannan Shi, Yuting Sun, Jiayi Zhao, Yanping Sui, Ran Jiang, Haibin Yu, Stephen R. Elliott, Zhitang Song, Min Zhu, No, No, No, 30 Mar. 2025, Advanced Functional Materials, Scientific journal

Effect of heat treatment on the electronic properties of vacuum-deposited In–Se films, Tamihiro Gotoh, Taiyo Hirai, Yes, No, Yes, 21 Mar. 2025, Journal of Materials Science: Materials in Electronics, 36, 8, 504, Scientific journal

Electronic structure of Sn–Se thin films characterized by photothermal deflection spectroscopy, Aoi Iida, Tamihiro Gotoh, No, Yes, Yes, 21 Feb. 2025, Journal of Materials Science: Materials in Electronics, 36, 6, 360, Scientific journal

Gap States in Amorphous Selenium: What Are the Atomic Structures?, Keiji Tanaka, Tamihiro Gotoh, No, Yes, No, 15 Nov. 2024, Physica Status Solidi (b), 2400458-1, 2400458-8, Scientific journal

Thickness‐Dependent Bandgap and Atomic Structure in Elemental Tellurium Films, Yuting Sun , Tamihiro Gotoh , Bowen Li , Huanglong Li , Min Zhu, No, No, No, 24 Feb. 2024, physica status solidi Rapid Research Letters, 18, 2300414-1, 2300414-5, Scientific journal

Nanosecond Phase‐Transition Dynamics in Elemental Tellurium, Yuting Sun Bowen Li Tieying Yang Qun Yang Haibin Yu Tamihiro Gotoh Chenyi Shi Jiabin Shen Peng Zhou Stephen R. Elliott Huanglong Li Zhitang Song Min Zhu, No, No, No, 29 Aug. 2024, Advanced Functional Materials, 2408725-1, 2408725-8, Scientific journal

The role of arsenic in the operation of sulfur-based electrical threshold switches, Renjie Wu, Rongchuan Gu, Tamihiro Gotoh, Zihao Zhao, Yuting Sun, Shujing Jia, Xiangshui Miao, Stephen R. Elliott, Min Zhu, Ming Xu & Zhitang Song, Yes, No, No, 29 Sep. 2023, Nature Communications, 14, 6095, Scientific journal

Quantitative evaluation of low-concentration OH impurities in quartz glass by infrared photothermal deflection spectroscopy, Tamihiro Gotoh, Min Zhu, Yes, No, Yes, 21 Jul. 2023, Japanese Journal of Applied Physics, 62, 071004, Scientific journal

Screening Switching Materials with Low Leakage Current and High Thermal Stability for Neuromorphic Computing, Renjie Wu, Shujing Jia, Tamihiro Gotoh, Qing Luo, Zhitang Song, Min Zhu, No, No, No, 03 Apr. 2022, Advanced Electronic Materials, 2200150, 2200150(7)

Yes, No, Yes, 15 Feb. 2022, SOLID STATE PHYSICS, 57, 2, 23, 30

Elemental electrical switch enabling phase segregation–free operation, Jiabin Shen, Shujing Jia, Nannan Shi, Qingqin Ge, Tamihiro Gotoh, Shilong Lv, Qi Liu, Richard Dronskowski, Stephen R.Elliott, Zhitang Song, Min Zhu, No, No, No, 09 Dec. 2021, Science, 374, 6573, 1390, 1394

Ultrahigh drive current and large selectivity in GeS selector, Shujing Jia; Huanglong Li; Tamihiro Gotoh; Christophe Longeaud; Bin Zhang; Juan Lyu; Shilong Lv; Min Zhu; Zhitang Song; Qi Liu; John Robertson; Ming Liu, No, No, Sep. 2020, Nature Communications, 11, 4636, 4636(9), Scientific journal

Effect of heat treatments on the electronic properties of indium sulfide films, Tamihiro Gotoh, Yes, Yes, Apr. 2020, Eur. Phys. J. Appl. Phys., 89

Defect absorption in selenium films by photothermal deflection spectroscopy, Tamihiro Gotoh, Yes, Yes, Mar. 2020, Eur. Phys. J. Appl. Phys., 89, 10301

Defect Absorption in Ge2Sb2Te5 Phase-Change Films, Tamihiro Gotoh, Yes, Yes, Jan. 2020, Phys. Status Solidi B, 257, 1900278, Scientific journal

Yes, Yes, 2019, 25, 38, Scientific journal

Copper Sulfide Dendrites Prepared by Sulfur Gas Heat Treatment of Copper, Tamihiro Gotoh, Yes, Yes, Dec. 2017, PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 214, 12, 1700621, Scientific journal

Control of carrier concentration in SnS films by annealing with S and Sn, Tamihiro Gotoh, Yes, Yes, Jul. 2016, PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 213, 7, 1869, 1872, Scientific journal

Effect of annealing on carrier concentration in Ge2Sb2Te5 films, Tamihiro Gotoh, Yes, Yes, Jul. 2014, CANADIAN JOURNAL OF PHYSICS, 92, 44385.0, 681, 683, Scientific journal

Electrical Properties of SnS Films Deposited by Thermal Evaporation of Sulfurized Sn Powder, Tamihiro Gotoh; Kosuke Yazawa; Kento Imai, Yes, Yes, 2014, ADVANCED MICRO-DEVICE ENGINEERING IV, 596, 21, 25, International conference proceedings

Yes, Yes, 2014, 29, 1, 18, 22

Yes, Yes, 2014, 42, 96, 86, 88

Electrical Properties of DC-sputtered Amorphous InGaZnO4 Films, Kenji Kaneda; Tamihiro Gotoh, Yes, 2013, ADVANCED MICRO-DEVICE ENGINEERING III, 534, 36, 39, International conference proceedings

Sub-gap absorption study of amorphous InGaZnO4 films by photothermal deflection spectroscopy, Tamihiro Gotoh; Kenji Kaneda, Yes, Yes, Sep. 2012, JOURNAL OF NON-CRYSTALLINE SOLIDS, 358, 17, 2450, 2452, Scientific journal

Sub-gap states in Ge2Sb2Te5 phase change films, Tamihiro Gotoh, Yes, Yes, Sep. 2012, JOURNAL OF NON-CRYSTALLINE SOLIDS, 358, 17, 2366, 2368, Scientific journal

Sub-gap absorption study of SnS films deposited by thermal evaporation of sulfurized Sn powder, Tamihiro Gotoh, Yes, Yes, 2012, PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 12, 9, 12, 2407, 2410, International conference proceedings

Effect of Annealing on Sub-Gap Absorption in Amorphous InGaZnO(4) Films, T. Gotoh; K. Kawarai; H. Wakabayashi; K. Kaneda, Yes, Yes, 2011, SILICON SCIENCE AND ADVANCED MICRO-DEVICE ENGINEERING I, 459, 19, 22, International conference proceedings

Improvement of Crystallization Rate in Post-Annealed Ge(2)Sb(2)Te(5) Films, Kenta Kawarai; Tamihiro Gotoh, Yes, 2011, SILICON SCIENCE AND ADVANCED MICRO-DEVICE ENGINEERING I, 459, 23, 26, International conference proceedings

The study of structural changes of amorphous Ge2Sb2Te5 films after annealing by optical absorption spectroscopy, Tamihiro Gotoh; Kenta Kawarai, Yes, Yes, Mar. 2010, PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 207, 3, 639, 641, Scientific journal

Nanoscale Characterization of Microcrystalline Silicon Solar Cells by Scanning Near-Field Optical Microscopy, Tamihiro Gotoh; Yoshiki Yamamoto; Zhenhua Shen; Shunsuke Ogawa; Norimitsu Yoshida; Takashi Itoh; Shuichi Nonomura, Yes, Yes, Sep. 2009, JAPANESE JOURNAL OF APPLIED PHYSICS, 48, 9, 91202, Scientific journal

Photothermal technique using individual cantilevers for quality monitoring in thin film devices, Tamihiro Gotoh, Yes, Yes, Jul. 2009, REVIEW OF SCIENTIFIC INSTRUMENTS, 80, 7, 074902-1, Scientific journal

Characteristics at high electric fields in amorphous Ge2Sb2Te5 films, Tamihiro Gotoh, Yes, Yes, May 2008, JOURNAL OF NON-CRYSTALLINE SOLIDS, 354, 19-25, 2728, 2731, Scientific journal

Localized oxidation influence from conductive atomic force microscope measurement on nano-scale I-V characterization of silicon thin film solar cells, Zhenhua Shen; Mototaka Eguchi; Tamihiro Gotoh; Norimitsu Yoshida; Takashi Roh; Shuichi Nonornura, Jan. 2008, THIN SOLID FILMS, 516, 5, 588, 592, Scientific journal

Study of nano-scale electrical properties of hydrogenated microcrystalline silicon solar cells by conductive atomic force microscope, Zhenhua Shen; Tamihiro Gotoh; Mototaka Eguchi; Norimitsu Yoshida; Takashi Itoh; Shuichi Nonomura, May 2007, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 46, 5A, 2858, 2864, Scientific journal

Yes, Yes, 2006, 大学の物理教育, 12, 150

Nano-scale phase changes in Ge-Sb-Te films with electrical scanning probe microscopes, K Tanaka; T Gotoh; K Sugawara, Dec. 2004, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 6, 4, 1133, 1140, Scientific journal

Minimal phase-change marks produced in amorphous Ge2Sb2Te5 films, T Gotoh; K Sugawara; K Tanaka, Yes, Yes, Jun. 2004, JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 43, 6B, L818, L821, Scientific journal

Nanoscale phase change in telluride films induced with scanning tunneling microscopes, K Sugawara; T Gotoh; K Tanaka, May 2004, JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 43, 5B, L676, L679, Scientific journal

2004, 73, 7, 910, 916

Scanning tunneling microscope modifications of amorphous Ge-Sb-Te films, K Sugawara; T Gotoh; K Tanaka, Oct. 2003, JOURNAL OF NON-CRYSTALLINE SOLIDS, 326, 37, 41, Scientific journal

Nanoscale electrical phase-change in GeSb2Te4 films with scanning probe microscopes, T Gotoh; K Sugawara; K Tanaka, Yes, Yes, Apr. 2002, JOURNAL OF NON-CRYSTALLINE SOLIDS, 299, 968, 972, Scientific journal

Chalcogenide-glass microlenses for optical fibers, A Saitoh; T Gotoh; K Tanaka, Apr. 2002, JOURNAL OF NON-CRYSTALLINE SOLIDS, 299, 983, 987, Scientific journal

Photothermal deflection spectroscopy of chalcogenide glasses, K Tanaka; T Gotoh; N Yoshida; S Nonomura, Jan. 2002, JOURNAL OF APPLIED PHYSICS, 91, 1, 125, 128, Scientific journal

Scanning tunneling microscope modifications of amorphous Ge-Sb-Te films, K Sugawara; T Gotoh; K Tanaka, 2002, XIIITH INTERNATIONAL SYMPOSIUM ON NON-OXIDE GLASSES AND NEW OPTICAL GLASSES PTS 1 AND 2, 398, 400, International conference proceedings

Scanning tunneling nanolithography of amorphous GeSb2Te4 films, K Sugawara; T Gotoh; K Tanaka, Sep. 2001, APPLIED PHYSICS LETTERS, 79, 10, 1549, 1551, Scientific journal

Photoinduced surface deformations in ion-conducting Ag-As-S glasses. I. Isotropic deformations produced by small light spots, T Gotoh; K Tanaka, Yes, Yes, May 2001, JOURNAL OF APPLIED PHYSICS, 89, 9, 4697, 4702, Scientific journal

Photoinduced surface deformations in ion-conducting Ag-As-S glasses. II. Anisotropic deformation produced by large light spots, T Gotoh; K Tanaka, Yes, Yes, May 2001, JOURNAL OF APPLIED PHYSICS, 89, 9, 4703, 4706, Scientific journal

Chalcogenide-glass microlenses attached to optical-fiber end surfaces, A Saitoh; T Gotoh; K Tanaka, Dec. 2000, OPTICS LETTERS, 25, 24, 1759, 1761, Scientific journal

The light-induced metastable lattice expansion in hydrogenated amorphous silicon, S Nonomura; N Yoshida; T Gotoh; T Sakamoto; A Matsuda; S Nitta, May 2000, JOURNAL OF NON-CRYSTALLINE SOLIDS, 266, 474, 480, Scientific journal

A study on the correlation between the photoinduced volume expansion and the internal stress in hydrogenated amorphous silicon, T Sakamoto; N Yoshida; H Harada; T Kishida; S Nonomura; T Gotoh; M Kondo; A Matsuda; T Itoh; S Nitta, May 2000, JOURNAL OF NON-CRYSTALLINE SOLIDS, 266, 481, 485, Scientific journal

Photoinduced anisotropy in the ion-conducting amorphous semiconductor Ag-As-S, T Gotoh; H Hayakawa; K Tanaka, Yes, Yes, May 2000, JOURNAL OF NON-CRYSTALLINE SOLIDS, 266, 944, 947, Scientific journal

Laser processing of convex structures in chalcogenide glasses, T Gotoh; K Tanaka, Yes, Yes, 2000, 1ST INTERNATIONAL SYMPOSIUM ON LASER PRECISION MICROFABRICATION, 4088, 351, 354, International conference proceedings

Anisotropic patterns formed in Ag-As-S ion-conducting amorphous semiconductor films by polarized light, K Tanaka; T Gotoh; H Hayakawa, Oct. 1999, APPLIED PHYSICS LETTERS, 75, 15, 2256, 2258, Scientific journal

1999, 34, 6, 519, 525

Photoinduced expansion in hydrogenated amorphous silicon, S Nonomura; T Gotoh; M Nishio; T Sakamoto; M Kondo; A Matsuda; S Nitta, 1999, AMORPHOUS AND HETEROGENEOUS SILICON THIN FILMS: FUNDAMENTALS TO DEVICES-1999, 557, 337, 345, International conference proceedings

Photo-induced structure metastability and the Staebler and Wronski effect in a-Si : H, DX Han; T Gotoh; M Nishio; T Sakamoto; S Nonomura; S Nitta; Q Wang; E Iwaniczko; H Mahan, 1999, NCPV PHOTOVOLTAICS PROGRAM REVIEW, 462, 260, 265, International conference proceedings

Yes, Yes, 1999, 68, 10, 1162, 1163

Chalcogenide glasses: What is the future?, K. Tanaka; T. Gotoh, 1999, 51, 189, 196

Temperature dependence of the optical-absorption edge in C-60 thin films, T Gotoh; S Nonomura; H Watanabe; S Nitta; DX Han, Yes, Yes, Oct. 1998, PHYSICAL REVIEW B, 58, 15, 10060, 10063, Scientific journal

Optical and electrical properties of nano-crystalline GaN thin films and their application for thin-film transistor, S Kobayashi; S Nonomura; K Ushikoshi; K Abe; M Nishio; H Furukawa; T Gotoh; S Nitta, Jun. 1998, JOURNAL OF CRYSTAL GROWTH, 189, 749, 752, Scientific journal

Experimental evidence of photoinduced expansion in hydrogenated amorphous silicon using bending detected optical lever method, T Gotoh; S Nonomura; M Nishio; S Nitta; M Kondo; A Matsuda, Yes, Yes, Jun. 1998, APPLIED PHYSICS LETTERS, 72, 23, 2978, 2980, Scientific journal

Detection of photoinduced structural change in a-Si : H by bending effect, T Gotoh; S Nonomura; M Nishio; N Masui; S Nitta; M Kondo; A Matsuda, Yes, Yes, May 1998, JOURNAL OF NON-CRYSTALLINE SOLIDS, 227, 263, 266, Scientific journal

Photoluminescence study of nano-crystalline GaN and AlN grown by reactive sputtering, K Abe; S Nonomura; S Kobayashi; M Ohkubo; T Gotoh; M Nishio; S Nitta; S Okamoto; Y Kanemitsu, 1998, JOURNAL OF NON-CRYSTALLINE SOLIDS, 227, 1096, 1100, Scientific journal

Correlation of stress with photo-degradation in hydrogenated amorphous silicon prepared by hot-wire CVD, DX Han; T Gotoh; M Nishio; T Sakamoto; S Nonomura; S Nitta; Q Wang; E Iwaniczko, 1998, THIN-FILMS - STRESSES AND MECHANICAL PROPERTIES VII, 505, 445, 450, International conference proceedings

Changes of infrared absorption by light soaking and thermal quenching in a-Si:H, T Gotoh; S Nonomura; S Hirata; N Masui; S Nitta, Yes, Yes, Dec. 1997, SOLAR ENERGY MATERIALS AND SOLAR CELLS, 49, 44200.0, 13, 18, Scientific journal

Photothermal bending spectroscopy and photothermal deflection spectroscopy of C-60 thin films, T Gotoh; S Nonomura; S Hirata; S Nitta, Yes, Yes, Apr. 1997, APPLIED SURFACE SCIENCE, 113, 278, 281, Scientific journal

Optical properties of amorphous indium nitride films and their electrochromic and photodarkening effects, M Ohkubo; S Nonomura; H Watanabe; T Gotoh; K Yamamoto; S Nitta, Apr. 1997, APPLIED SURFACE SCIENCE, 113, 476, 479, Scientific journal

Optical and electrical properties of amorphous and microcrystalline GaN films and their application to transparent TFT, S Kobayashi; S Nonomura; T Ohmori; K Abe; S Hirata; T Uno; T Gotoh; S Nitta; S Kobayashi, Apr. 1997, APPLIED SURFACE SCIENCE, 113, 480, 484, Scientific journal

Electrical and optical properties of nano-crystalline GaN and nano-crystalline GaN : H thin films, S Kobayashi; S Nonomura; K Abe; T Gotoh; S Hirata; S Nitta; Y Kanemitsu, 1997, AMORPHOUS AND MICROCRYSTALLINE SILICON TECHNOLOGY - 1997, 467, 373, 378, International conference proceedings

Photothermal bending spectroscopy: Bending effect of film/substrate by thermal expansion, T Gotoh; S Nonomura; S Hirata; S Nitta, Yes, Yes, Dec. 1996, PROGRESS IN NATURAL SCIENCE, 6, S34, S37, Scientific journal

Radiative recombination quantum efficiencies of a-Si:H and C-60 films by photothermal deflection spectroscopy, S Nonomura; T Gotoh; M Kawade; S Nitta, Dec. 1996, PROGRESS IN NATURAL SCIENCE, 6, S18, S21, Scientific journal

Photoconductive a-GaN prepared by reactive sputtering, S Nonomura; S Kobayashi; T Gotoh; S Hirata; T Ohmori; T Itoh; S Nitta; K Morigaki, May 1996, JOURNAL OF NON-CRYSTALLINE SOLIDS, 200, 174, 177, Scientific journal

1996, 9TH INTERNATIONAL CONFERENCE ON PHOTOACOUSTIC AND PHOTOTHERMAL PHENOMENA, CONFERENCE DIGEST, 6, 333, 334, International conference proceedings

1994, 応用物理, 63, 10, 1043, 1044

2007

2005

2005, 19

2018, 17, 4, 8

Photothermal vibration spectroscopy: The bending effect of the film by thermal expansion, T Gotoh; S Nonomura; H Watanabe; S Nitta, 1996, 9TH INTERNATIONAL CONFERENCE ON PHOTOACOUSTIC AND PHOTOTHERMAL PHENOMENA, CONFERENCE DIGEST, 381, 382, Summary international conference

Joint work, 20 Mar. 2026, 104, Textbook

Andrei Andriesh Homage Book, K. Tanaka; T. Gotoh, INOE&INFM Publishing House, 1999

Bandgap widening of evaporated In-Se films by room temperature annealing, Tamihiro Gotoh, International Conference on Advanced Functional Materials and Devices (AFMD-2026), 23 Mar. 2026, 19 Mar. 2026, 24 Mar. 2026, English, Chennai, India, International conference

17 Mar. 2025, 14 Mar. 2025, 17 Mar. 2025, Japanese

Preparation and physical properties of evaporated indium selenide films, Tamihiro Gotoh, Taiyo Hirai, Takahiro Shimbo, The 30th International Conference on Amorphous and Nanocrystalline Semiconductors, 07 Aug. 2024, 05 Aug. 2024, 08 Aug. 2024, English, Manchester, United Kingdom, International conference

Electronic properties and localized levels of vacuum evaporated tin selenide films, Aoi Iida, Shuto Tago, Tamihiro Gotoh, The 30th International Conference on Amorphous and Nanocrystalline Semiconductors, 07 Aug. 2024, 05 Aug. 2024, 08 Aug. 2024, English, Manchester, United Kingdom, International conference

28 Sep. 2024, 28 Sep. 2024, 28 Sep. 2024, Japanese, Japan

16 Sep. 2024, 16 Sep. 2024, 20 Sep. 2024, Japanese, Japan, Domestic conference

16 Sep. 2024, 16 Sep. 2024, 20 Sep. 2024, Japanese, Japan, Domestic conference

23 Mar. 2024

23 Mar. 2024

23 Mar. 2024

Localized levels of amorphous chalcogenide films evaluated by infrared photothermal deflection spectroscopy, Tamihiro Gotoh, PCOS2023, 17 Nov. 2023, Japan

16 Mar. 2023

23 Sep. 2023

23 Sep. 2023, 19 Sep. 2023, 23 Sep. 2023, Japanese

22 Sep. 2022

22 Mar. 2022

Localized states of Ge2Sb2Te5 films evaluated by infrared photothermal deflection spectroscopy, Tamihiro Gotoh, PCOS2021, 18 Nov. 2021, 18 Nov. 2021, 18 Nov. 2021, English

12 Sep. 2021

08 Sep. 2020

13 Mar. 2020

20 Sep. 2019

Control of carrier density in indium sulfide films by heat treatment, T. Gotoh, 28th International Conference on Amorphous and Nanocrystalline Semiconductors, 06 Aug. 2019

Optical properties of copper sulfide dendrites, T. Gotoh, 28th International Conference on Amorphous and Nanocrystalline Semiconductors, 06 Aug. 2019

Photothermal deflection spectroscopy of selenium films, T. Gotoh, 28th International Conference on Amorphous and Nanocrystalline Semiconductors, 05 Aug. 2019

10 Mar. 2019

19 Sep. 2018

20 Mar. 2018

08 Sep. 2017

15 Mar. 2017

01 Oct. 2016

15 Sep. 2016

22 Mar. 2016

17 Oct. 2015

Effects of annealing on the carrier concentration of SnS films, T. Gotoh; K. Yazawa, 26th International Conference on Amorphous and Nanocrystalline Semiconductors, 14 Sep. 2015

12 Mar. 2015

12 Mar. 2015

19 Mar. 2014

Sub-gap states in In-S films deposited by thermal evaporation, T. Gotoh; K. Yazawa, 5th International Conference on Advanced Micro-Device Engineering, 19 Dec. 2013

Sep. 2013

Effect of annealing on carrier density in Ge2Sb2Te5 films, T. Gotoh, 25th International Conference on Amorphous and Nanocrystalline Semiconductors, 20 Aug. 2013

Mar. 2013

Electrical Properties of SnS Films by Thermal Evaporation of Sulfurized Sn Powder, T. Gotoh; K. Yazawa; K. Imai, 4th International Conference on Advanced Micro-Device Engineering, 07 Dec. 2012

Oct. 2012

Sep. 2012

Sub-gap Absorption Study of SnS Films Deposited by Thermal Evaporation of Sulfurized Sn Powder, T. Gotoh, Fifth International Conference on Optical, Optoelectronic and Photonic Materials and Applications, 06 Jun. 2012

Mar. 2012

Mar. 2012

Electrical Properties of dc-sputtered Amorphous InGaZnO4 Films, K. Kaneda; T. Gotoh, 3rd International Conference on Advanced Micro-Device Engineering, 08 Dec. 2011

Oct. 2011

Sep. 2011

Aug. 2011

Sub-gap states in Ge2Sb2Te5 phase change films, T. Gotoh, 24th International Conference on Amorphous and Nanocrystalline Semiconductors, Aug. 2011

Sub-gap absorption study of amorphous InGaZnO4 films by photothermal deflection spectroscopy, T. Gotoh; K. Kaneda, 24th International Conference on Amorphous and Nanocrystalline Semiconductors, Aug. 2011

Mar. 2011

Mar. 2011

Photoconductive properties of dc sputtered amorphous InGaZnO4 films, K. Kaneda; T. Gotoh, 2nd International Conference on Advanced Micro-Device Engineering, Dec. 2010

Nov. 2010

Nov. 2010

Sep. 2010

Mar. 2010

Mar. 2010

Jan. 2010

15 Dec. 2009

Improvement of crystallization rate in post-annealed Ge2Sb2Te5 films, K. Kawarai; T. Gotoh, 1st International Conference on Advanced Micro-Device Engineering, Dec. 2009

Sub-gap absorption in InGaZnO4 films, T. Gotoh; K. Kawarai; H. Wakabayashi; K. Kaneda, 1st International Conference on Advanced Micro-Device Engineering, Dec. 2009

Oct. 2009

Optical properties of post-annealed Ge2Sb2Te5 films, T. Gotoh; K. Kawarai, European Phase Change and Ovonics Symposium, Sep. 2009

Optical absorption study of structural changes of Ge2Sb2Te5 films after annealing, T. Gotoh; K. Kawarai, 23rd International conference on Amorphous and Nanocrystalline Semiconductors, Aug. 2009

31 Mar. 2009

19 Mar. 2009

19 Mar. 2009

Nanoscale crystallization in Ge2Sb2Te5 films using conductive AFM, T. Gotoh, Lab Visit: Discussion and Seminar at Utrecht University, 2009

Nanoscale characterization of thin-film silicon solar cells, T. Gotoh, Lab Visit: Discussion and Seminar at RWTH Aachen University, 2009

2009

Mar. 2008

Nano-area I-V characteristics in thin film solar cells, S. Nonomura; T. Gotoh; T. Itoh, 4th Workshop on the future direction of photovoltaics, Mar. 2008

Nano-scale characterization of microcrystalline silicon solar cells by scanning nearfield optical microscopy, T. Gotoh; Y. Yamamoto; Z. Shen; S. Ogawa; N. Yoshida; T. Itoh; S. Nonomura, 17th International Photovoltaic Science and Engineering Conference, Dec. 2007

Sep. 2007

Characteristics at high electric fields in amorphous Ge2Sb2Te5 films, T. Gotoh, 22nd International conference on Amorphous and Microcrystalline Semiconductors, Aug. 2007

Mar. 2007

Localized oxidation influence of conductive atomic force microscope measurements on nano-scale I-V characterization of silicon thin film solar cells, Zhenhua Shen; M. Eguchi; T. Gotoh; N.Yoshida; T.Itoh; S. Nonomura, 4th International Conference on Hot-Wire CVD (Cat-CVD) Process, Oct. 2006

Sep. 2006

Mar. 2006

Nov. 2005

Nov. 2005

Nano-scale I-V characterization of uc-Si:H solar cell by Conductive Atomic Force Microscope, Zhenhua Shen; M. Eguchi; S. Ogawa; T. Gotoh; K.Sato; T.Itoh; N.Yoshida; S. Nonomura, International Photovoltaic Science and Engineering Conference, Oct. 2005

Aug. 2005

Mar. 2005

Nov. 2004

Sep. 2004

Nanoscale phase changes in Ge-Sb-Te films with AFM and STM, K. Tanaka; T. Gotoh; K. Sugawara, 6th Solid State Chemistry 2004, Sep. 2004

Dec. 2003

Sep. 2003

Mar. 2003

Scanning tunneling microscope modifications of amorphous Ge-Sb-Te films, K. Sugawara; T. Gotoh; K. Tanaka, 13th International symposium on non-oxide glasses and new optical glasses, Sep. 2002

Sep. 2001

Sep. 2001

Nanoscale electrical phase-change in GeSb2Te4 films with scanning probe microscopes, T. Gotoh; K. Sugawara; K. Tanaka, 19th International conference on Amorphous and Microcrystalline Semiconductors, Aug. 2001

Chalcogenides-glass microlenses for optical fibers, A. Saitoh; T. Gotoh; K. Tanaka, 20th International conference on Amorphous and Microcrystalline Semiconductors, Aug. 2001

Mar. 2001

Sep. 2000

Sep. 2000

Mar. 2000

Laser processing of convex structures in chalcogenide glasses, T. Gotoh; K. Tanaka, The First International Symposium on Laser Precision Microfabrication, 2000

Sep. 1999

Photoinduced anisotropy in the ion-conducting amorphous semiconductor Ag-As-S, T. Gotoh; H. Hayakawa; K. Tanaka, 18th International conference on Amorphous and Microcrystalline Semiconductors, Aug. 1999

A study on the correlation between the photoinduced volume expansion and the internal stress in hydrogenated amorphous silicon, T. Sakamoto; N. Yoshida; H. Harada; T. Kishida; S. Nonomura; T. Gotoh; M. Kondo; A. Matsuda; T. Itoh; S. Nitta, 19th International conference on Amorphous and Microcrystalline Semiconductors, Aug. 1999

The light induced metastable lattice expansion in hydrogenated amorphous silicon, S. Nonomura; N. Yoshida; T. Gotoh; T. Sakamoto; M. Kondo; A. Matsuda; S. Nitta, 18th International conference on Amorphous and Microcrystalline Semiconductors, Aug. 1999

Mar. 1999

Mar. 1999

Photoinduced expansion in hydrogenated amorphous silicon, S. Nonomura; T. Gotoh; M. Nishio; T. Sakamoto; S. Nitta, Materials Research Society Symposium, 1999

Mar. 1998

Mar. 1998

Correlation of stress with photo-degradation in hydrogenerated amorphous silicon prepared by hot-wire CVD, Daxing Han; T. Gotoh; M. Nishio; S. Nonomura; S. Nitta; Q. Wang; E. Iwaniczko, Materials Research Society Symposium, 1998

Nov. 1997

Oct. 1997

Oct. 1997

Sensitive detection of photoinduced structural change in a-Si:H by bending effect, T. Gotoh; S. Nonomura; M. Nishio; N. Masui; S. Nitta; M. Kondo; A. Matsuda, 17th International conference on Amorphous and Microcrystalline Semiconductors, Aug. 1997

Photoluminescence study of nanocrystalline GaN and AlN by reactive sputtering, K. Abe; S. Nonomura; S. Okamoto; Y. Kanemitsu; S. Kobayashi; M. Ohkubo; T. Gotoh; M. Nishio; S. Nitta, 17th International conference on Amorphous and Microcrystalline Semiconductors, Aug. 1997

Jul. 1997

Localized states related to oxygen molecules intercalated into C70 films, H. Habuchi; D. Han; S. Nitta; T. Itoh; T. Gotoh; S. Nonomura, The 3rd International Workshop in Russia, Fullerenes and Atomic Clusters, Jun. 1997

Mar. 1997

Mar. 1997

Electrical and optical properties of nano-crystalline GaN and nano-crystalline GaN:H thin films, S. Kobayashi; S. Nonomura; K. Abe; T. Gotoh; S Hirata; S. Nitta; Y. Kanemitsu, Materials Research Society Symposium, Mar. 1997

Sep. 1996

Sep. 1996

Mar. 1996

Photothermal bending spectroscopy, T. Gotoh; S. Nonomura; S. Hirata; S. Nitta, 8th International conference on photoacoustic and photothermal phenomena, 1996

Radiative recombination quantum efficiencies of a-Si:H and C60 films by photothermal deflection spectroscopy, S. Nonomura; T. Gotoh; M. Kawade; S. Nitta, 8th International conference on photoacoustic and photothermal phenomena, 1996

Photothermal bending spectroscopy and photothermal deflection spectroscopy of C60 thin films, T. Gotoh; S. Nonomura; S. Hirata; S. Nitta, 8th International conference on solid film and surface, 1996

Optical and electrical properties of amorphous and microcrystalline GaN films and their application to transparent TFT, S. Kobayashi; S. Nonomura; T. Ohmori; K. Abe; S. Hirata; T. Uno; T. Gotoh; S. Nitta, 9th International conference on solid film and surface, 1996

Optical properties of amorphous indium nitride films and their electrochromic and photodarkening effects, M. Ohkubo; S. Nonomura; H. Watanabe; T. Gotoh; K. Yamamoto; S. Nitta, 10th International conference on solid film and surface, 1996

Changes of infrared absorption by light soaking and thermal quenching in a-Si:H, T. Gotoh; S. Nonomura; N. Masui; S. Nitta, 9th International photovoltaic science and engineering conference, 1996

Dec. 1995

Aug. 1995

Jul. 1995

Mar. 1995

Mar. 1995

Sep. 1994

Step-height measurement using interferometric microscope for phase-change pattern on amorphous Ge-Sb-Te films – the influence of phase-shifting of reflected light, Kentaro Sugawara, Tamihiro Gotoh, The 30th International Conference on Amorphous and Nanocrystalline Semiconductors, 07 Aug. 2024, 05 Aug. 2024, 08 Aug. 2024, English, Manchester, United Kingdom, International conference

09 Sep. 2025, 07 Sep. 2025, 10 Sep. 2025, Japanese

09 Sep. 2025, 07 Sep. 2025, 10 Sep. 2025, Japanese

Patent right, 特願2008-50738, 2008