Name

JIA, Junjun

Official Title

Associate Professor(without tenure)

Affiliation

(Global Center for Science and Engineering)

Contact Information

Address・Phone Number・Fax Number

Phone Number
+81-3-5286-8507

Sub-affiliation

Affiliated Institutes

理工学術院総合研究所

兼任研究員 2019-

Paper

p-type conduction mechanism in continuously varied non-stoichiometric SnOx thin films deposited by reactive sputtering with the impedance control

Junjun Jia, Takumi Sugane, Shin-ichi Nakamura, and Yuzo Shigesato

Journal of Applied Physics Peer Review Yes 127p.1857032020/05-

DOIlink

Carrier densities of Sn-doped In2O3 nanoparticles and their effect on X-ray photoelectron emission

Junjun Jia, Ai Takaya, Takehiro Yonezawa, Kazuhiko Yamasaki, Hiromi Nakazawa, and Yuzo Shigesato

Journal of Applied Physics Peer Review Yes 125(24) p.245303-1 - 245303-62019/06-

DOIlink

Detail

Publish Classification:Research paper (scientific journal)

Outline:Sn-doped In2O3 (ITO) nanoparticles with various Sn doping concentrations were successfully fabricated using a liquid phase coprecipitation method. Similar to sputtered ITO thin films, Sn doping reaches a maximum carrier density (1.52 × 10^21 cm^−3) at 10 at% in ITO nanoparticles, which was estimated from the bulk plasmon energy based on a scanning ellipsometry (SE) simulation. Interestingly, the X-ray photoelectron emission spectra (XPS) of In 3d core levels show a clear asymmetric peak with a shoulder on the high-binding-energy side for degenerated ITO nanoparticles, which may be associated with the influence of the surface plasmon or plasmonic coupling. Our results suggest that combining the SE simulation and XPS measurements effectively provides a new way to understand the difference between bulk plasmons and surface plasmons for transparent conductive oxide nanoparticles.

Deposition of TiO2 photocatalyst on PET or PI polymer films by reactive sputtering for flexible photocatalytic sheets

Yuka Kitazawa, Junjun Jia, Shin-ichi Nakamura, Yuzo Shigesato

Japanese Journal of Applied Physics Peer Review Yes 58(3) p.055503-1 - 055503-92019/04-

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Publish Classification:Research paper (scientific journal)

Outline:Polycrystalline anatase TiO2 films were deposited by rf reactive magnetron sputtering on polyethylene terephthalate (PET) or polyimide (PI) films with different buffer layers, such as SiO2 or Zn2SnOx (ZTO) between the TiO2 film and the substrate. Such TiO2/(SiO2 or ZTO)/(PET or PI) sheets with high transmittance in the visible region of light performed high photo-decomposition ability of CH3CHO under the UV irradiation of the black light centered at 352 nm. In the case of using SiO2 as the buffer layer, “nano-pore layer” was observed clearly in full area of the polymer substrates close to the buffer layers after the UV irradiation, whereas such degradation was suppressed drastically in the case of using ZTO as the buffer layer. Such photocatalytic sheets performed also photo-induced hydrophilicity by the UV irradiation, where the contact angle to pure water became around 5O under the UV irradiation. After additional deposition of SiO2 by the reactive sputtering under rather high total gas pressure of 3.0 Pa on the outermost surface of the TiO2 films, the photo-induced hydrophilicity was maintained for more than 98 days in the dark. Such 3-layerd SiO2/TiO2/ZTO on PET or PI substrates should be the promising flexible photocatalytic sheets with the retentional photo-induced hydrophilicity.

Thermal conductivity of hetero-epitaxial ZnO thin films on c - And r -plane sapphire substrates: Thickness and grain size effect

Yuichiro Yamashita, Kaho Honda, Takashi Yagi, Junjun Jia, Naoyuki Taketoshi, and Yuzo Shigesato

Journal of Applied Physics Peer Review Yes 125(3) p.035101-1 - 035101-112019/01-

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Detail

Publish Classification:Research paper (scientific journal)

Outline:The thermal conductivities of c- and a-axis-oriented zinc oxide (ZnO) thin films with nominal thicknesses of 100, 200, and 300 nm are investigated. The c- and a-axis-oriented ZnO thin films were synthesized by radio frequency magnetron sputtering on the c- and r-plane sapphire substrates, respectively. The epitaxial relationship between the ZnO thin film and the c-plane sapphire substrate is (0001)[11¯00] || (0001)[112¯0], and that between the ZnO thin film and the r-plane sapphire substrate is (112¯0)[11¯00] || (011¯2)[112¯0]. The c-axis-oriented ZnO thin film has a columnar structure, whereas the a-axis-oriented ZnO thin film has a single domain-like structure and a significantly flat surface. The thermal conductivity of the c-axis-oriented ZnO thin film is in the range of 18–24 W m−1 K−1, whereas for the a-axis-oriented ZnO thin film, it is in the range of 24–29 W m−1 K−1. For the c-axis-oriented ZnO thin films, the phonon scattering on both the out-of-plane and in-plane grain boundaries affects the thermal conductivity. In contrast, the thermal conductivity of the a-axis-oriented ZnO thin films decreases with the decrease of the film thickness. The distribution of the normalized cumulative thermal conductivity of the a-axis-oriented ZnO thin films suggests that the heat transport carrier mostly consists of phonons with the mean free paths between 100 nm and 1 μm

Geometric structure of Sn dopants in sputtered TiO2 film revealed by x-ray absorption spectroscopy and first-principles DFT calculations

Toshihiro Okajima, Junjun Jia, Yuzo Shigesato

Materials Research Express Peer Review Yes 5(4) p.046412-1 - 046412-92018/04-

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Detail

Publish Classification:Research paper (scientific journal)

Outline:The crystal structure of tin (Sn)-doped titanium dioxide (TiO2) film was investigated by using x-ray absorption fine structure (XAFS) measurement and first principle calculations. XAFS measurements suggest that Sn doping can enhance the growth of rutile TiO2 phase, where Sn ions are considered to substitute into Ti sites with a valence of 4+. First principles calculation reveals that Sn doping can reduce obviously the formation energy of the rutile phase. By comparing the measured and calculated XAFS spectra, we found that the geometric structure of Sn dopant can be understood as the alignment of SnO6 tetrahedrons through a corner oxygen in the Sn-doped TiO2 film, that is, the Sn ions substituted in the Ti sites and made a one-dimensional zigzag '–Sn–O–Sn–' chain.

How the sputtering process influence structural, optical, and electrical properties of Zn3N2 films?

Junjun Jia, Hironori Kamijo, Shin-Ichi Nakamura, Yuzo Shigesato

MRS Communications Peer Review Yes 8(2) p.314 - 3212018/03-

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Detail

Publish Classification:Research paper (scientific journal)

Outline:The use of zinc nitride (Zn3N2)films as a transparent electrode in various electronic devices has attracted much attention owing to its high-carrier mobility. In this study, we investigate the influence of the sputtering process on structural, optical, and electrical properties of aZn3N2film deposited by reactive magnetron sputtering. The reactivity of nitrogen species can be improved by changing the type of sputtering gas. Compared with Ar or Ne sputtering gas, polycrystalline Zn3N2 films deposited using He sputtering gas have a larger grain size.The optical band gap of the Zn3N2films varied from∼1.2 to 1.5 eV depending on the N2flow ratio and type of sputtering gas. The maximum mobility was 91.1 cm2/Vs when the Zn3N2 film was deposited using Ar sputtering gas with an N2flow ratio of 40%. The carrier density of Zn3N2films deposited using Ar sputtering gas was notably higher than those deposited using Ne or He sputtering gas, and more oxygen atoms are considered to substitute into nitrogen sites, where oxygen is considered to be from the residual water vapor in the sputtering chamber.

Evolution of Defect Structures and Deep Subgap States during Annealing of Amorphous In-Ga-Zn Oxide for Thin-Film Transistors

Junjun Jia, Ayaka Suko, Yuzo Shigesato, Toshihiro Okajima, Keiko Inoue, and Hiroyuki Hosomi

Physical Review Applied Peer Review Yes 9(1) p.014018-1 - 014018-132018/01-

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Publish Classification:Research paper (scientific journal)

Outline:We investigate the evolution behavior of defect structures and the subgap states in In-Ga-Zn oxide (IGZO) films with increasing postannealing temperature by means of extended x-ray absorption fine-structure (EXAFS) measurements, positron annihilation lifetime spectroscopy (PALS), and cathodoluminescence (CL) spectroscopy, aiming to understand the relationship between defect structures and subgap states. EXAFS measurements reveal the varied oxygen coordination numbers around cations during postannealing and confirm two types of point defects, namely, excess oxygen around Ga atoms and oxygen deficiency around In and/or Zn atoms. PALS suggests the existence of cation-vacancy (VM)-related clusters with neutral or negative charge in both amorphous and polycrystalline IGZO films. CL spectra show a main emission band at approximately 1.85 eV for IGZO films, and a distinct shoulder located at about 2.15 eV for IGZO films postannealed above 600 °C. These two emission bands are assigned to a recombination between the electrons in the conduction band and/or in the shallow donor levels near the conduction band and the acceptors trapped above the valence-band maximum. The shallow donors are attributed to the oxygen deficiency, and the acceptors are thought to possibly arise from the excess oxygen or the VM-related clusters. These results open up an alternative route for understanding the device instability of amorphous IGZO-based thin-film transistors, especially the presence of the neutral or negatively charged VM-related clusters in amorphous IGZO films.

Structure and thermophysical properties of GaN films deposited by reactive sputtering using a metal Ga target

Yuji Isosaki, Yuichiro Yamashita, Takashi Yagi, Junjun Jia, Naoyuki Taketoshi, Shinichi Nakamura, Yuzo Shigesato

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films Peer Review Yes 35(4) p.0415072017/07-2017/07

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Detail

Publish Classification:Research paper (scientific journal)

A visible-light active TiO2 photocatalyst multilayered with WO3

Junjun Jia, Kenta Taniyama, Masaaki Imura, Toshimasa Kanai, Yuzo Shigesato

Physical Chemistry Chemical Physics Peer Review Yes 19p.17342 - 173482017/06-

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Detail

Publish Classification:Research paper (scientific journal)

Outline:Sputter-deposited TiO2 films with high visible-light photocatalytic activity were successfully realized by a hybrid TiO2/Pt/WO3 film structure with Pt nanoparticles uniformly distributed at the interface of the TiO2 and WO3 films. The TiO2/Pt/WO3 hybrid films enable the complete decomposition of CH3CHO under visible-light irradiation. The water contact angle of the TiO2/Pt/WO3 hybrid films reaches below 5° under visible-light irradiation. Pt nanoparticles are considered to act as a cocatalyst to improve the electron–hole separation efficiency. We demonstrate that the photogenerated holes in WO3 are transferred to the surface of the TiO2 film with less hole-trapping and induce high visible-light photocatalytic activity and hydrophilic behavior, and the photogenerated electrons are accumulated in the Pt nanoparticles. The highly hydrophilic thin films with high visible-light photocatalytic activity can be applied to various indoor products possessing self-cleaning and antifogging properties.

Indium oxide-based transparent conductive films deposited by reactive sputtering using alloy targets

Yusuke Miyazaki, Eri Maruyama, Junjun Jia, Hironobu Machinaga, Yuzo Shigesato

Japanese Journal of Applied Physics Peer Review Yes 56(4) p.045503 - 0455032017/03-2017/03

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Detail

Publish Classification:Research paper (scientific journal)

Effect of nitrogen addition on the structural, electrical, and optical properties of In-Sn-Zn oxide thin films

Junjun Jia, Yoshifumi Torigoshi, Ayaka Suko, Shin-ichi Nakamura, Emi Kawashima, Futoshi Utsuno, Yuzo Shigesato

Applied Surface Science Peer Review Yes 396p.897 - 9012017/02-2017/02

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Detail

Publish Classification:Research paper (scientific journal)

On the Crystal Structural Control of Sputtered TiO2 Thin Films

J Jia, H Yamamoto, T Okajima, Y Shigesato

Nanoscale research letters Peer Review Yes 11(1) p.3242016/12-2016/12

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Publish Classification:Research paper (scientific journal)

Influence of dopant species and concentration on grain boundary scattering in degenerately doped In2O3 thin films

Mareike V Frischbier, Hans F Wardenga, Mirko Weidner, Oliver Bierwagen, Junjun Jia, Yuzo Shigesato, Andreas Klein

Thin Solid Films Peer Review Yes 614p.62 - 682016/09-2016/09

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Detail

Publish Classification:Research paper (scientific journal)

Crystallization behavior during transparent In2O3‐ZnO film growth

Junjun Jia, Shin‐ichi Nakamura, Yuzo Shigesato

physica status solidi (a) Peer Review Yes 213(9) p.2291 - 22952016/09-2016/09

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Detail

Publish Classification:Research paper (scientific journal)

Formation of homologous In2O3(ZnO)m thin films and its thermoelectric properties

Junjun Jia, Cleva Ow-Yang, Güliz Inan Akmehmet, Shin-ichi Nakamura, Kunihisa Kato, Yuzo Shigesato

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films Peer Review Yes 34(4) p.0415072016/07-2016/07

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Comparative study of sputter‐deposited SnO2 films doped with antimony or tantalum

M Weidner, J Jia, Y Shigesato, A Klein

physica status solidi (b) Peer Review Yes 253(5) p.923 - 9282016/05-2016/05

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Publish Classification:Research paper (scientific journal)

Crystallization behavior of amorphous indium–gallium–zinc-oxide films and its effects on thin-film transistor performance

Ayaka Suko, JunJun Jia, Shin-ichi Nakamura, Emi Kawashima, Futoshi Utsuno, Koki Yano, Yuzo Shigesato

Japanese Journal of Applied Physics Peer Review Yes 55(3) p.0355042016/02-2016/02

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Publish Classification:Research paper (scientific journal)

Tuning hole charge collection efficiency in polymer photovoltaics by optimizing the work function of indium tin oxide electrodes with solution-processed LiF nanoparticles

Hasan Kurt, Junjun Jia, Yuzo Shigesato, Cleva W Ow-Yang

Journal of Materials Science: Materials in Electronics Peer Review Yes 26(11) p.9205 - 92122015/11-2015/11

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Publish Classification:Research paper (scientific journal)

Visible-light active thin-film WO3 photocatalyst with controlled high-rate deposition by low-damage reactive-gas-flow sputtering

Nobuto Oka, Akiyo Murata, Shin-ichi Nakamura, Junjun Jia, Yoshinori Iwabuchi, Hidefumi Kotsubo, Yuzo Shigesato

APL materials Peer Review Yes 3(10) p.1044072015/10-2015/10

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Publish Classification:Research paper (scientific journal)

Tailoring the crystal structure of TiO2 thin films from the anatase to rutile phase

H Kotake, J Jia, S Nakamura, T Okajima, Y Shigesato

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films Peer Review Yes 33(4) p.0415052015/07-2015/07

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Temperature dependence of thermal conductivity of VO2 thin films across metal–insulator transition

Hinako Kizuka, Takashi Yagi, Junjun Jia, Yuichiro Yamashita, Shinichi Nakamura, Naoyuki Taketoshi, Yuzo Shigesato

Japanese Journal of Applied Physics Peer Review Yes 54(5) p.0532012015/04-2015/04

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Publish Classification:Research paper (scientific journal)

Amorphous indium-tin-zinc oxide films deposited by magnetron sputtering with various reactive gases: Spatial distribution of thin film transistor performance

J Jia, Y Torigoshi, E Kawashima, F Utsuno, K Yano, Y Shigesato

Applied Physics Letters Peer Review Yes 106(2) p.0235022015/01-

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Publish Classification:Research paper (scientific journal)

Origin of carrier scattering in polycrystalline Al-doped ZnO films

J Jia, N Oka, M Kusayanagi, S Nakatomi, Y Shigesato

Applied Physics Express Peer Review Yes 7(10) p.1058022014/09-2014/09

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Publish Classification:Research paper (scientific journal)

Thermophysical properties of SnO2-based transparent conductive films: Effect of dopant species and structure compared with In2O3-, ZnO-, and TiO2-based films

Nobuto Oka, Saori Yamada, Takashi Yagi, Naoyuki Taketoshi, Junjun Jia, Yuzo Shigesato

Journal of Materials Research Peer Review Yes 29(15) p.1579 - 15842014/08-

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Publish Classification:Research paper (scientific journal)

Transparent conductive Al and Ga doped ZnO films deposited using off-axis sputtering

J Jia, A Yoshimura, Y Kagoya, N Oka, Y Shigesato

Thin solid films Peer Review Yes 559p.69 - 772014/05-2014/05

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Publish Classification:Research paper (scientific journal)

Work function tuning of tin-doped indium oxide electrodes with solution-processed lithium fluoride

CW Ow-Yang, J Jia, T Aytun, M Zamboni, A Turak, K Saritas, Y Shigesato

Thin Solid Films Peer Review Yes 559p.58 - 632014/05-2014/05

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Publish Classification:Research paper (scientific journal)

Transparent conductive Nb-doped TiO2 films deposited by reactive dc sputtering using Ti–Nb alloy target, precisely controlled in the transition region using impedance feedback system

Nobuto Oka, Yuta Sanno, Junjun Jia, Shin-ichi Nakamura, Yuzo Shigesato

Applied Surface Science 301p.551 - 5562014/05-2014/05

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Publish Classification:Research paper (scientific journal)

Study on reactive sputtering to deposit transparent conductive amorphous In2O3–ZnO films using an In–Zn alloy target

N Tsukamoto, S Sensui, J Jia, N Oka, Y Shigesato

Thin solid films Peer Review Yes 559p.49 - 522014/05-2014/05

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Publish Classification:Research paper (scientific journal)

In situ analyses on negative ions in the indium-gallium-zinc oxide sputtering process

J Jia, Y Torigoshi, Y Shigesato

Applied Physics Letters Peer Review Yes 103(1) p.0135012013/07-2013/07

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Publish Classification:Research paper (scientific journal)

Thermal boundary resistance of W/Al2O3 interface in W/Al2O3/W three-layered thin film and its dependence on morphology

Shizuka Kawasaki, Yuichiro Yamashita, Nobuto Oka, Takashi Yagi, Junjun Jia, Naoyuki Taketoshi, Tetsuya Baba, Yuzo Shigesato

Japanese Journal of Applied Physics Peer Review Yes 52(6R) p.0658022013/05-2013/05

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Publish Classification:Research paper (scientific journal)

Direct observation of the band gap shrinkage in amorphous In2O3–ZnO thin films

J Jia, N Oka, Y Shigesato

Journal of Applied Physics Peer Review Yes 113(16) p.1637022013/04-

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Publish Classification:Research paper (scientific journal)

Thermal conductivity of amorphous indium–gallium–zinc oxide thin films

Toru Yoshikawa, Takashi Yagi, Nobuto Oka, Junjun Jia, Yuichiro Yamashita, Koichiro Hattori, Yutaka Seino, Naoyuki Taketoshi, Tetsuya Baba, Yuzo Shigesato

Applied Physics Express Peer Review Yes 6(2) p.0211012013/01-

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Publish Classification:Research paper (scientific journal)

Experimental observation on the Fermi level shift in polycrystalline Al-doped ZnO films

J Jia, A Takasaki, N Oka, Y Shigesato

Journal of Applied Physics Peer Review Yes 112(1) p.0137182012/07-2012/07

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Publish Classification:Research paper (scientific journal)

Annealing Effects on Ta Doped SnO2 Films

Junjun Jia, Yu Muto, Nobuto Oka, Yuzo Shigesato

MRS Online Proceedings Library Archive Peer Review Yes 1454p.245 - 2512012-2012

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Publish Classification:Research paper (scientific journal)

Bimodal colloidal mixtures: From fast to slow aggregation regions

Junjun Jia, Zehong Jia, Shuichi Iwata

Journal of colloid and interface science Peer Review Yes 362(2) p.633 - 6372011/10-2011/10

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Publish Classification:Research paper (scientific journal)

Nonequilibrium structure of primary particles in colloidal bidispersion

Junjun Jia, Shuichi Iwata

Colloid and Polymer Science Peer Review Yes 288(14-15) p.1485 - 14932010/10-2010/10

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Publish Classification:Research paper (scientific journal)

Research Grants & Projects

Grant-in-aids for Scientific Research Adoption Situation

Research Classification:Grant-in-Aid for Young Scientists (B)

Formation mechanism of homologous In2O3(ZnO)m superlattice thin films and their thermoelectric properties

2016/04-2019/03

Research Field:Thin Film, Interface, Applied Physics

Allocation Class:¥4160000

Research Classification:Grant-in-Aid for Scientific Research (C)

Formation Mechanism of Highly Oriented IGZO Thin Film on the Glass Substrate

2016/10-2019

Research Field:Thin Film, Interface Properties

Allocation Class:¥4810000

On-campus Research System

Special Research Project

両極性半導体薄膜材料における欠陥構造解析

2019Collaborator:重里有三, 満汐孝治

Research Results Outline:本研究課題では、半導体の機能のオリジンであるpn接合現象に着目し、n型伝導とp型伝導の両方を持つ両極性SnO薄膜における電気伝導特性と欠陥構造との関係本研究課題では、半導体の機能のオリジンであるpn接合現象に着目し、n型伝導とp型伝導の両方を持つ両極性SnO薄膜における電気伝導特性と欠陥構造との関係性を解明することを目的とした。反応性スパッタを用いて非化学量論組成を持つSnO薄膜を作製し、ホール...本研究課題では、半導体の機能のオリジンであるpn接合現象に着目し、n型伝導とp型伝導の両方を持つ両極性SnO薄膜における電気伝導特性と欠陥構造との関係性を解明することを目的とした。反応性スパッタを用いて非化学量論組成を持つSnO薄膜を作製し、ホール測定によるp型伝導であることを確認した。光電子分光法(XPS)およびX線構造解析(XRD)によるSnO薄膜中に少量なSnO2とSn3O4相が存在することが明らかになった。また、僅かな化学組成変化に対して、SnO薄膜の電気特性は大きく変化する。これはp型伝導に寄与する格子間酸素と化学組成変動のトレードオフ関係によるのものだと考えられる。以上の研究結果はJournal of Applied Physicsにアクセプトされた。

量子井戸構造を用いた新規非線形光学材料の創出

2019Collaborator:牧本俊樹

Research Results Outline:高度な情報化社会を実現するため、現在Siフォトニクスをベースとする大規模電子・光集積回路をCMOS技術で実現することを進めている。この集積回路中に重要高度な情報化社会を実現するため、現在Siフォトニクスをベースとする大規模電子・光集積回路をCMOS技術で実現することを進めている。この集積回路中に重要な構成要素の一つである高速光スイッチ素子は、高い非線形光学応答を示す材料が必要とされる。本研究では...高度な情報化社会を実現するため、現在Siフォトニクスをベースとする大規模電子・光集積回路をCMOS技術で実現することを進めている。この集積回路中に重要な構成要素の一つである高速光スイッチ素子は、高い非線形光学応答を示す材料が必要とされる。本研究では、量子井戸構造を用いた非線形光学材料を探索し、高い非線形屈折率を持つ新規光学材料の創出を目的とした。2019年度に、量子井戸構造の候補材料であるGaN/InN/GaN中の構成材料InN薄膜の非線形光学特性を評価した。波長800 nmにおいて、レーザ光を集光照射することによって光電界強度を高めていくと、InN薄膜の透過率が非線形的に増加することを観測した。さらに、自作したフェムト秒時間分解装置を用いて、この非線形光学現象の物理機構を検討した。本研究成果は光集積回路内における超高速光スイッチングや光ダイオードへの応用が期待される。

Lecture Course

Course TitleSchoolYearTerm
General Physics B: Waves, Optics, and ThermodynamicsSchool of Fundamental Science and Engineering2020winter quarter
General Physics B: Waves, Optics, and ThermodynamicsSchool of Creative Science and Engineering2020winter quarter
General Physics B: Waves, Optics, and ThermodynamicsSchool of Advanced Science and Engineering2020winter quarter
General Physics C: Electromagnetism (2)School of Fundamental Science and Engineering2020spring quarter
General Physics C: Electromagnetism (2)School of Creative Science and Engineering2020spring quarter
General Physics C: Electromagnetism (2)School of Advanced Science and Engineering2020spring quarter
Thin Film EngineeringSchool of Advanced Science and Engineering2020spring semester
Physics of Semiconductor devices 2School of Advanced Science and Engineering2020spring semester
Advanced Vacuum EngineeringSchool of Advanced Science and Engineering2020fall semester
Practical Materials/Devices CharacterizationSchool of Advanced Science and Engineering2020fall semester
Introduction to Computational PhysicsSchool of Advanced Science and Engineering2020an intensive course(fall)
Introduction to Computational PhysicsSchool of Advanced Science and Engineering2020an intensive course(fall)
Electromagnetism for Electronics and Electrical EngineeringSchool of Advanced Science and Engineering2020spring semester
Electromagnetism for Electronics and Electrical EngineeringSchool of Advanced Science and Engineering2020spring semester
Physics of Semiconductor Devices 1School of Advanced Science and Engineering2020fall semester
Physics of Semiconductor devices 1School of Advanced Science and Engineering2020fall semester
Research Ethics and Intellectual PropertySchool of Advanced Science and Engineering2020fall semester
Seminar on Problem SolvingSchool of Advanced Science and Engineering2020fall semester
Research Design and AnalysisSchool of Advanced Science and Engineering2020fall semester
Advanced Vacuum EngineeringGraduate School of Advanced Science and Engineering2020fall semester
Practical Materials/Devices CharacterizationGraduate School of Advanced Science and Engineering2020fall semester
Thin Film EngineeringGraduate School of Advanced Science and Engineering2020spring semester
Physics of Semiconductor devices 1Graduate School of Advanced Science and Engineering2020fall semester
Physics of Semiconductor devices 2Graduate School of Advanced Science and Engineering2020spring semester