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Old news

2019.12.10-14　

Prof. Guo and a graduate student will make presentations at MRM2019(Yokohama).

2019.11.27　

Jang HyoChang (D1) won the Best Presentation Award for Young Researchers at the 4th Asian-APC (Kumamoto)! Congraturation!!

2019.11.26　

Seiya Mishima (M1) won the Best Presentation Award at the 4th Seminar for Frontier PV (Hiroshima)! Congraturation!!

2019.11.25-27　

Prof. Guo gave an invited talk at IFWS2019(Shenzhen).

2019.11.25-26　

Graduate students made 2 presentations at 4th Seminar for Frontier PV (Hiroshima).

2019.11.23-24　

Graduate students made 11 presentations at 2019 JSAP Kyushu capter meeting and 4th Asian-APC(Kumamoto)

2019.10.27-31　

Assist. Prof. Saito and a graduate student will make presentations at II-VI2019 (Zhengzhou, China).

2019.10.18-21　

Prof. Guo will organize the international conference CECNet2019 as a conference chair, which will be held in Kitakyushu.

2019.10.9-10　

Prof. Guo will dliver an invited talk at ISNE2019(Sanya).

2019.9.18-21　

2 graduate students will make presentations at 2019 JSAP Fall Meeting(Hokkaido Univ.).

2019.9.13　

Mr. Patwary's paper has been accepted for publication in Physica Status Solidi (b). "Nitrogen Doping Effect in Cu4O3 Thin Films Fabricated by Radio Frequency Magnetron Sputtering". Congratulation!

2019.9.8-13　

Prof. Guo will make a presentation at IWUMD-IV (St.Petersburg).

2019.9.7　

Prof. Tanaka gave a special lecture on photovoltaics for students at the junior high school attached to Saga Univ.

2019.8.22　

A report by a graduate student in our lab is published on the webpage of Mirai-Kougaku.

2019.8.21　

Mr. Hu's paper has been accepted for publication in AIP Advances. "Low temperature growth of Ga2O3 films on sapphire substrates by plasma assisted pulsed laser deposition." Congratulation!

2019.7.4　

2 graduate students made presentations at 16th symposium on PV systems for next generation (Miyazaki).

2019.6.28　

Prof. Tanaka's paper has been published in Journal of Applied Physics.

2019.6.19　

Prof. Tanaka made a presentation at IEEE PVSC46(Chicago).

2019.5.23　

A graduate student made a presentation at The 46th International Symposium on Compound Semiconductor(Nara).

2019.3.10　

An undergraduate and 2 graduate students made presentations at 2019 JSAP Spring Meeting(Tokyo).

2019.2.22　

A visiting professor from China joined our lab.

2019.2.15　

Mr. Patwary's paper has been accepted for publication in Thin Solid Films. "Influence of oxygen flow rate and substrate positions on properties of Cu-oxide thin films fabricated by radio frequency magnetron sputtering". Congratulation!

2019.1.25-26　

Prof. Tanaka gave an invited talk at International Symposium on Solar Energy Materials (Kobe).

2019.1.7　

A visiting researcher from Hong Kong joined our lab.

2018.12.13-14　

Prof. Tanaka gave an invited talk at 3rd Seminar for Frontier PV (Miyazaki).

2018.12.4　

Mr. Hu's paper has been accepted for publication in Journal of Semiconductors. "Growth properties of gallium oxide on sapphire substrate by plasma-assisted pulsed laser deposition." Congratulation!

2018.12.1-3　

Graduate students made presentations at 2018 JSAP Kyushu capter meeting and 3rd Asian-APC(Fukuoka)

2018.11.1-4　

Prof. Guo gave an invited talk at CMSE2018 (Xi'an).

2018.10.15-19　

Prof. Guo gave an invited talk at 4th E-MRS & MRS-J Bilateral Symposium on Advanced Oxides Topics (GREECE).

2018.10.1　

3 research students joined our lab.

2018.9.19-21　

3 graduate students made presentations at 2018 JSAP Fall Meeting(Nagoya).

2018.9.4　

2 graduate students made presentations at MBE2018(Shanghai).

2018.8.23-9.4　

2 graduate students attended to UM iCamp2018 (State Univ. of Malang, Indonesia). Mr. Izumi was awarded certificate of appreciation.

2018.8.24　

Prof. Guo gave an invited talk at ICNN5 (Fukuoka).

2018.8.7　

Prof. Guo made a presentation at ISGN-7 (Warsaw).

2018.6.25-29　

Prof. Guo gave an invited talk at CCMR2018 (Incheon).

2018.5.15-19　

Prof. Guo gave an invited talk at PLMCN19 (Chengdu).

2018.4.3　

Member page was updated.

2018.3.24　

Degree Conferment Ceremony was held. Master's and bachelor's degrees were given to 6 and 10 students, respectively, in our lab. Congratulation!

2018.3.22　

Shuji Tsutsumi (M2) won the Outstanding Presentation Award at the 2nd Asian APC (Miyazaki)! Congraturation!!

2018.3.20　

A student(M1) made a presentation at 2017 JSAP Spring Meeting.

2018.2.28　

Kento Matsuo (M1) was decided as a prize winner of the "Saga University President's Award". Congraturation!!

2018.1.28-2.1　

Prof. Tanaka gave an invited talk at SPIE Photonics West 2018 (San Francisco).

2018.1.27　

Prof. Tanaka delivered a talk for high school students at "Kagaku heno tobira" (Introduction of Science Research) project (Saga).

2017.12.22　

Prof. Guo gave an invited talk at Guilin University of Electronic Technology (China).

2017.12.18　

Prof. Tanaka's paper has been published in Superlattices and Microstructures . "Photoluminescence of ZnTe/ZnMgTe multiple quantum well structures grown on ZnTe substrates by molecular beam epitaxy." Congratulation!

2017.12.5　

Shuji Tsutsumi (M2) won the Best Presentation Award for Young Researchers at the 2nd Asian APC (Miyazaki)! Congraturation!!

2017.12.1-3　

Our students made 5 presentations at JSAP Kyushu chapter meeting and the 2nd Asian-APC (Miyazaki).

2017.11.30　

A graduate student made a presentation at the 2nd Seminar for Frontier PV (Kanazawa).

2017.11.16　

2 graduate students made presentations at International Workshop on UV Materials and Devices 2017(Fukuoka).

2017.11.13　

Dr. Wang's paper has been published in Journal of Crystal Growth. "Ultraviolet emission from MgZnO films and ZnO/MgZnO single quantum wells grown by pulsed laser deposition." Congratulation!

2017.11.12-17　

3 graduate students made presentations at the 27th Photovoltaic Science and Engineering Conference (Otsu).

2017.11.7　

Prof. Guo's research introduction paper (in Japanese) was uploaded.

2017.10.30　

Prof. Tanaka was awarded the honour of "Saga University Established Fellow".(link, pdf, in Japanese)

2017.10.19　

Dr. Chen's paper has been published in Journal of Luminescence. "The impact of dopant contents on structures, morphologies and optical properties of Eu doped Ga2O3 films on GaAs substrate." Congratulation!

2017.10.15-18　

Prof. Guo gave an invited talk at International Thin Films Conference (Hualien, Taiwan).

2017.10.1　

A international student joined our group.

2017.9.24-29　

2 graduate students will have presentations at the 18th International Conference on II-VI Compounds (Puerto Rico). --> cancelled due to Hurricane!

2017.9.29　

4 graduate students made presentations at the 70th Joint Conference of Electrical, Electronics and Information Engineers in Kyushu(Okinawa).

2017.9.9　

Prof. Tanaka conducted a class on photovoltaics in a special course for students at the junior high school attached to Saga Univ.

2017.9.6　

Kento Matsuo (M1) won the Poster Award at the 78th JSAP Autumn Meeting! (photo 1, 2) Congraturation!!

2017.9.6　

3 graduate students made presentations at The 78th JSAP Autumn Meeting(Fukuoka).

2017.8.22　

Prof. Guo's paper has been accepted for publication in Thin Solid Films. "Characteristics of thulium doped gallium oxide films grown by pulsed laser deposition." Congratulation!

2017.8.21　

Prof. Tanaka gave an invited talk at ISAMR2017 (Sun Moon Lake, Taiwan).

2017.7.14　

Prof. Tanaka gave an invited talk at International Workshop on Advanced Smart Materials and Engineering for Nano- and Bio-Technologies(Kobe).

2017.6.29　

Prof. Guo's paper has been accepted for publication in CrystEngComm. "Efficient pure green emission from Er doped β-Ga2O3 films." Congratulation!

2017.6.26

Prof. Guo gave an invited talk at CCMR 2017(Jeju).

2017.6.26　

Prof. Tanaka gave a presentation at IEEE PVSC44(Washington DC).

2017.5.27　

We won the softball game in the department of EEE! (photo1, 2, 3)

2017.5.28　

Prof. Guo's paper has been accepted for publication in Materials Research Bulletin. "Structural properties of Eu doped gallium oxide films." Congratulation!

2017.5.17　

Prof. Tanaka's paper has been accepted for publication in IEEE Journal of Photovoltaics. "Improved Open Circuit Voltage and Photovoltaic Properties of ZnTeO- Based Intermediate Band Solar Cells with n-type ZnS Layers." Congratulation!

2017.5.5　

Prof. Tanaka's paper has been published in Solar Energy Materials and Solar Cells. "Growth and characterization of Zn1-xCdxTe1-yOy highly mismatched alloys for intermediate band solar cells." Congratulation!

2017.4.10　

Member, Publication, and Conference pages were updated.

2017.3.24　

Degree Conferment Ceremony was held. Doctoral, master's and bachelor's degrees were given to 2, 6, and 11 students from our lab. Congratulation!

2017.3.21　

Assist. Prof. Saito's paper has been accepted for publication in Journal of Crystal Growth. "Photoluminescence and Electrical Properties of P-doped ZnTe Layers Grown by Low Pressure MOVPE." Congratulation!

2017.3.21　

Assist. Prof. Saito's paper has been accepted for publication in Journal of Crystal Growth. "Growth of ZnMgSeTe nearly Lattice-matched to ZnTe and p-type Doping by Low-pressure MOVPE." Congratulation!

2017.3.18　

Prof. Nishio made his final lecture at Saga University.

2017.3.17　

2 students(M1) made presentations at 2017 JSAP Spring Meeting.

2016.12.19-22　

Our student made a presentations at International Symposium in 26th Annual Meeting of MRS-J 2016(Yokohama).

2016.12.5-6　

Our students made 6 presentations at JSAP Kyushu chapter meeting(Tsushima).

2016.11.26　

Prof. Tanaka made a presentation at the 13th Research Meeting of JST PRESTO project(Tokyo).

2016.11.17　

Prof. Tanaka made 2 presentations at the 1st Seminar for Frontier PV(Kyoto).

2016.10.27　

Prof. Tanaka made a presentation at PVSEC26(Singapore).

2016.10.18

Prof. Guo made an invited talk at Crystallography2016(Houston).

2016.10.12

Prof. Guo made an invited talk at OMTA2106(Shanghai).

2016.10.1　

2 international students joined our group.

2016.9.29　

8 graduate students made presentations at the 69th Joint Conference of Electrical, Electronics and Information Engineers in Kyushu(Miyazaki).

2016.9.13　

A graduate student and Prof. Tanaka made 2 presentations at 2016 JSAP Fall Meeting(Niigata).

2016.8.31　

Dr. Akiyama's paper has been accepted for publication in IEEJ Transactions on Electronics, Information and Systems . "Characterization of n-ZnO/p-ZnTe heterojunction interface prepared by direct bonding technology." Congratulation!

2016.8.31　

Mr. Chen's paper has been accepted for publication in Applied Physics Letters. "Band alignment of Ga2O3/Si heterojunction interface measured by X-ray photoelectron spectroscopy." Congratulation!

2016.8.28　

Prof. Guo's paper has been accepted for publication in Applied Physics Letters. "Toward controlling the carrier density of Si doped Ga2O3 films by pulsed laser deposition." Congratulation!

2016.8.18

Prof. Guo made an invited talk at The 14th national conference on MOCVD(Yanji).

2016.8.15　

Mr. Wang's paper has been accepted for publication in Journal of Alloys and Compounds. "Temperature-dependent Raman scattering in cubic (InGa)2O3 thin film." Congratulation!

2016.7.29

Prof. Guo made an invited talk at IWUMD-2016(Peking).

2016.7.4　

Mr. Chen's paper has been accepted for publication in Applied Physics Letters. "Observation of low voltage driven green emission from erbium doped Ga2O3 light-emitting devices." Congratulation!

2016.6.22

Prof. Guo made a presentation at EMC 2016(Newark).

2016.6.20

Prof. Tanaka made an invited talk at CC3DMR 2016(Incheon).

2016.6.9　

Prof. Tanaka made a presentation at IEEE PVSC43(Portland).

2016.5.8　

Mr. Chen's paper has been accepted for publication in Journal of Materials Science: Materials in Electronics. "Highly transparent conductive Ga doped ZnO films in the near-infrared wavelength range." Congratulation!

2016.5.6　

Mr. Wang's paper has been accepted for publication in Ceramics International. "Influence of substrate temperature on the properties of (AlGa)2O3 thin films prepared by pulsed laser deposition." Congratulation!

2016.4.7　

Mr. Chen's paper has been accepted for publication in Journal of Luminescence. "Temperature dependence of luminescence spectra in europium doped Ga2O3 film." Congratulation!

2016.3.23　

Degree Conferment Ceremony was held. Doctoral, master's and bachelor's degrees were given to 1, 9, and 13 students from our lab. Congratulation!

2016.3.21　

3 students(M1, B4) made presentations at 2016 JSAP Spring Meeting.

2016.3.4　

Assist. Prof. Saito's paper has been accepted for publication in Physica Status Solidi C. "Influence of source transport rate upon fractions of Mg and Se in Zn1-xMgxSeyTe1-y Layers grown by metalorganic vapor phase epitaxy." Congratulation!

2016.1.28　

Assist. Prof. Saito's paper has been accepted for publication in Physica Status Solidi C. "Low Pressure MOVPE Growth and Characterization of ZnTe Homoepitaxial Layers." Congratulation!

2016.1.21　

Prof. Tanaka's paper has been published in Applied Physics Express. "Compositional dependence of optical transition energies in highly mismatched Zn1-xCdxTe1-yOy alloys." Congratulation!

2016.1.12　

Mr. Wang's paper has been accepted for publication in Superlattices and Microstructures. "Temperature dependence of Raman scattering in β-(AlGa)2O3 thin films." Congratulation!

2015.12.25　

Prof. Guo made an invited talk at IC-LYMS2015(Sanya).

2015.12.21　

Mr. Chen's paper has been accepted for publication in Superlattices and Microstructures. "Effects of dopant contents on structural, morphological and optical properties of Er doped Ga2O3 films." Congratulation!

2015.12.12　

2 graduate students made presentations at the meeting of Professional Group of Multinary Compounds and Solar Cells(Nagaoka).

2015.12.5-6　

Our students will make 4 presentations at JSAP Kyushu chapter meeting(Naha).

2015.11.28　

Prof. Tanaka made a lecture on photovoltaics at Special course on renewable energy at Saga University.

2015.11.3-6　

3 doctor course students will make presentations at IWGO2015(Kyoto).

2015.10.26　

Prof. Tanaka made a lecture at Saga University Joint Seminar at Kanzaki high school.

2015.10.20　

Prof. Tanaka made an invited talk at Lanzhou Institute of Chemical Physics(CAS)(China). [->link to a seminar report by LICP.]

2015.10.8-13　

Prof. Guo made invited talks at Institute of Physics(CAS), Pekin University, and Tsinghua University (China).

2015.10.10　

Mr. Chen's paper has been published in Materials Research Express. "The impacts of growth temperatures on structural and optical properties of catalyst-free β-Ga2O3 nanostructures." Congratulation!

2015.9.29　

Assoc. Prof. Tanaka made an invited talk at Professional group of novel liquid crystal growths on ZnO-related functional films (Nagoya).

2015.9.27　

9 graduate students made presentations at the 68th Joint Conference of Electrical, Electronics and Information Engineers in Kyushu(Fukuoka).

2015.9.13-18　

Prof. Nishio and Assist. Prof. Saito made presentations at II-VI2015(Paris).

2015.9.13　

Assoc. Prof. Tanaka made a presentation at 2015 JSAP Fall Meeting(Nagoya).

2015.8.13　

Mr. Chen's paper has been published in Journal of Crystal Growth. "Low temperature growth of europium doped Ga2O3 luminescent films." Congratulation!

2015.8.11　

Mr. Zhang's paper has been published in Journal of Materials Science: Materials in Electronics. "Electrical properties of Si doped Ga2O3 films grown by pulsed laser deposition." Congratulation!

2015.7.15　

Mr. Wang's paper has been published in Applied Physics Letters. "Energy band bowing parameter in MgZnO alloys." Congratulation!

2015.6.29　

Prof. Guo made an invited talk at 8th International Conference on Materials for Advanced Technologies (Singapore).

2015.6.17　

Assoc. Prof. Tanaka made 2 presentations at IEEE PVSC42(New Orleans).

2015.3.12　

2 graduate students made presentations at 2015 JSAP Spring Meeting.

2015.2.7　

Prof. Nishio's paper has been accepted for publication in Journal of Crystal Growth. "Compositions of Mg and Se, surface morphology, roughness and Raman property of Zn1-xMgxSeyTe1-y layers grown at various substrate temperatures or dopant transport rates by MOVPE."

2015.2.3　

Prof. Guo's paper has been accepted for publication in Thin Solid Films. "Toward the understanding of annealing effects on (GaIn)2O3 films."

2014.12.24　

Prof. Guo's paper has been accepted for publication in Journal of Alloys and Compounds. "Lower temperature growth of single phase MgZnO films in all Mg content range."

2014.12.10　

Assoc. Prof. Tanaka's research report was published in OYO BUTURI Vol.83 No.12 (2014). "Multiple bandgap semiconductor ZnTeO for intermediate band solar cells".

2014.12.6　

Our students made 10 presentations at JSAP Kyushu chapter meeting(Oita).

2014.10.15　

Prof. Guo's paper has been accepted for publication in Applied Physics Letters. "Wide bandgap engineering of (AlGa)2O3 films."

2014.11.23-27　

Assoc. Prof. Tanaka made a presentation at WCPEC-6(Kyoto).

2014.11.11-14　

Prof. Guo made an invited talk at ACP2014(Shanghai).

2014.11.6-8　

Prof. Guo made an invited talk at 10th CSPV(Nantong, China).

2014.11.4-7　

Assoc. Prof. Tanaka made a presentation at MNC2014(Fukuoka).

2014.10.27　

Prof. Nishio and Assoc. Prof. Tanaka made invited talks at Lanzhou Institute of Chemical Physics(China). [->link to a seminar report by LICP.]

2014.10.5-9　

Prof. Guo made an invited talk at VASSCAA-7(Hshinchu, Taiwan).

2014.9.18　

6 graduate students made presentations at the 67th Joint Conference of Electrical, Electronics and Information Engineers in Kyushu(Kagoshima).

2014.9.17　

Assoc. Prof. Tanaka made a presentation at 2014 JSAP Fall Meeting(Sapporo).

2014.9.7-12　

Assoc. Prof. Tanaka made a presentation at MBE2014(Flagstaff, AZ).

2014.8.1　

Mr. Akiyama's doctoral thesis presentation was held.

2014.7.31　

Assoc. Prof. Tanaka made a presentation at GRE2014(Tokyo).

2014.7.13-18　

Prof. Nishio and Assist. Prof. Saito made presentations at ICMOVPE-17(Lausanne, Switzerland).

2014.6.17　

Prof. Guo's paper has been accepted for publication in Journal of Alloys and Compounds. "Thermal annealing impact on crystal quality of (GaIn)2O3 alloys."

2014.6.4　

Prof. Xiang-Hu Wang's paper has been accepted for publication in Journal of Physics and Chemistry of Solids. "Electrical properties and emission mechanisms of Zn-doped β-Ga2O3 films." Congratulation!

2014.5.2　

Our paper published in Appl. Phys. Lett. has been selected in Editor's Picks.

2014.5.12　

Assoc. Prof. Tanaka made an invited talk at 2014 EMN EAST Meeting(Beijing).

2014.4.20-26　

Prof. Han and two professors visited our laboratory. Prof. Han and Prof. Wang gave invited talks.

2014.4.8

Member page was updated. 10 undergraduate students joined our group.

2014.3.18

Mr. Mizoguchi made presentations at JSAP Spring Meeting (Sagamihara).

2014.1.25　

Mr. Zhang's paper has been accepted for publication in Solid State Communications. "Wide bandgap engineering of (GaIn)2O3 films."

2013.11.5　

Mr. Zhang's paper has been accepted for publication in Journal of Crystal Growth. "Structural and optical properties of Ga2O3 films on sapphire substrates by pulsed laser deposition."

2013.12.9　

Assoc. Prof. Tanaka made a presentation at JST PRESTO Symposium(Tokyo).

2013.12.2　

Assoc. Prof. Tanaka made a presentation at 2013 MRS Fall Meeting(Boston).

2013.11.30　

Our students made 8 presentations at JSAP Kyushu chapter meeting(Nagasaki).

2013.11.24-25　

Prof. Guo held the 9th C-K-J Workshop on Advanced Functional Materials(Saga) as chairman. Assoc. Prof. Tanaka made a presentation.

2013.11.7　

Assoc. Prof. Tanaka made an invited talk at 9th CSPV(Shajiabang).

2013.11.5　

Prof. Guo's paper has been accepted for publication in Journal of Alloys and Compounds. "Growth of InGaN layers on (111) silicon substrates by reactive sputtering"

2013.11.5　

Mr. Akiyama's paper has been accepted for publication in physica status solidi(c). "Fabrication of ZnO/ZnTe heterojunction by using a Room Temperature Direct Bonding technology"

2013.11.5　

Assoc. Prof. Tanaka's paper has been accepted for publication in IEEE Journal of Photovoltaics. This work has been done in collaboration with Dr. Walukiewicz and Dr. Yu in LBNL.

2013.10.28-11.1　

Assoc. Prof. Tanaka and Mr. Tokunaga made presentations at PVSEC-23(Taipei).

2013.10.1　

Member page was updated. 2 researchers from China joined our group.

2013.9.25　

Prof. Guo and Assoc. Prof. Tanaka gave invited talks at Lanzhou Institute of Chemical Physics(China). [->link to a seminar report by LICP.]

2013.9.24-25　

8 graduate students made presentations at The 66th Joint Conf. of Electrical and Electronics Engineers in Kyushu(Kumamoto).

2013.9.20-23

Prof. Guo made an invited talk at TFPA2013(Shanghai). Assoc. Prof. Tanaka also made a presentation.

2013.9.18　

Mr. Haraguchi made a presentation at JSAP Fall Meeting(Kyoto).

2013.9.13　

Dr. Yu of LBNL visited our laboratory, and gave an invited talk entitled "Design, synthesis and characterization of new materials for high efficiency solar energy conversion".

2013.9.9-13

Prof. Nishio, Assist. Prof. Saito, Mr. Akiyama, Mr. Haraguchi and Mr. Mizoguchi made 5 presentations at II-VI2013(Nagahama).

2013.7.27-8.3　

Prof. Han and a researcher visited our laboratory. Prof. Han gave an invited talk entitled "Lanzhou Institute of Chemical Physics and its research activities on photovoltaics".

2013.7.10-12

Prof. Guo made a presentation at ISSP2013(Kyoto).

2013.6.17-21

Assoc. Prof. Tanaka made a presentation at IEEE PVSC39(Tampa, Florida).

2013.6.1

Our proposal for a joint research on solar cells with Lanzhou Institute of Chemical Physics, CAS, has been selected for a Bilateral Joint Research Project by JSPS.

2013.5.22-23

Assoc. Prof. Tanaka made a presentation at 10th symposium on next generation photovoltaic system (Kanazawa).

2013.5.19-23

Prof. Guo and Mr. Akiyama made presentations at ISCS2013(Kobe).

2013.4.8

Member page was updated. 17 undergraduate students joined our group.

2013.3.27-28

Mr. Nagao and Mr. Miyabara made presentations at JSAP Spring Meeting (Atsugi).

2013.3.26

Our laboratory moved back to the building No. 5 after the reconstruction.

2013.2.28

Our technician Mr. Mitsuishi will retire at the end of this March after almost 42 years at the university.

2013.2.27

Prof. Guo's paper has been accepted for publication in Applied Physics Letters. "Band alignment of ZnTe/GaAs heterointerface investigated by synchrotron radiation photoemission spectroscopy".

2013.2.15

Mr. Akiyama's paper has been accepted for publication in Japanese Journal of Applied Physics : Rapid Communications. "Epitaxial Growth of ZnTe Layers on ZnO Bulk Substrates by Metalorganic Vapor Phase Epitaxy".

2013.2.5

Assoc. Prof. Tanaka's paper has been accepted for publication in Applied Physics Letters. This work has been done in collaboration with Dr. Walukiewicz and Dr. Yu in LBNL. "Photocurrent induced by two-photon excitation in ZnTeO intermediate band solar cells".

2013.1.30

Dr. Walukiewicz of LBNL visited our laboratory, and gave an invited talk.

2012.8-2013.3　　

Our laboratory moved to a building No. 8 of Faculty of Science and Engineering due to the reconstruction of our old building.

2012.12.25

Assoc. Prof. Tanaka's paper has been accepted for publication in Journal of Crystal Growth. This work has been done in collaboration with Dr. Walukiewicz and Dr. Yu in LBNL. "Molecular beam epitaxial growth of ZnCdTeO epilayers for intermediate band solar cells".

2012.12.20

Assoc. Prof. Tanaka's paper has been accepted for publication in Materials Science Forum. This work has been done in collaboration with Dr. Walukiewicz and Dr. Yu in LBNL. "Development of ZnTe-based solar cells".

2012.12.17

Assoc. Prof. Tanaka made a poster presentation at JST PRESTO Symposium(Tokyo, Japan).

2012.12.11-14　

Prof. Guo made an invited talk at The Collaborative Conference on Crystal Growth(Orlando, U.S.A.).

2012.12.1-2　　

JSAP Kyushu chapter meeting was held at our university. 11 presentations by our graduate students and 4 presentations by our collaborators were performed. Assoc. Prof. Tanaka had an invited talk on ZnTe at the Autumn School (Japanese).

2012.11.27

Assist. Prof. Saito, Mr. Idekoba, Mr. Nakao, and Mr. Wakamatsu had presentations at Joint Seminar between Saga Univesrity Synchrotron Light Application Center and State Key Laboratory of Metal Matrix Composites, Shanghai Jiaotong University on Material Science and Synchrotron Light(Saga).

2012.10.29

Prof. Guo's paper has been accepted for publication in Japanese Journal of Applied Physics. "Impact of Radio Frequency Powers on GaInN Film Growth by Magnetron Reactive Sputtering".

2012.10.27

Prof. Guo's paper has been accepted for publication in Journal of Alloys and Compounds. "Effects of oxygen gas pressure on properties of iron oxide films grown by pulsed laser deposition".

2012.10.9　

Our research result on ZnTe LED was published as a book chapter in "Light-Emitting Diodes and Optoelectronics: New Research".

2012.10.18-19　

Assoc. Prof. Tanaka had a presentation at 4th seminar on thin film solar cells 2012(Kyoto).

2012.10.11-12　

Assoc. Prof. Tanaka had a presentation at The 7th Takasaki Advanced Radiation Research Symposium(Takasaki).

2012.9.24　

Mr. Hirano and Mr. Konomi had presentations at The 65th Joint Conf. of Electrical and Electronics Engineers in Kyushu (Nagasaki).

2012.9.23-28　　

Mr. Nagao made a presentation at MBE2012(Nara, Japan).

2012.9.11-14　　

Assoc. Prof. Tanaka made a presentation at JSAP Fall Meeting (Matsuyama).

2012.9.1

Assoc. Prof. Tanaka made an invited presentation on solar cells at 2nd Forum for young researcher at Kyushu Branch of The Ceramic Society of Japan (Saga, Japan).

2012.8.2

Prof. Nishio's paper has been accepted for publication in Journal of Crystal Growth. "Effects of annealing treatment upon electrical and photoluminescence properties of phosphorus-doped ZnMgTe epilayers grown by metalorganic vapor phase epitaxy".

2012.7.23

Prof. Nishio's paper has been accepted for publication in Journal of Crystal Growth. "Surface morphologies and photoluminescence properties of undoped and P-doped ZnTe layers grown by metalorganic vapor phase epitaxy".

2012.8.1-4　　

Mr. Akiyama, Mr. Miyabara, Assist. Prof. Saito and Profs. Guo(invited) had presentations at IFAMST-8(Fukuoka, Japan).

2012.7.14-17　

Prof. Guo made an invited talk at Thin Films 2012(Singapore).

2012.6.3-8

Assoc. Prof. Tanaka made a presentation at IEEE PVSC38(Austin, Texas).

2012.5.31-6.1

Assoc. Prof. Tanaka made a presentation at 9th symposium on next generation photovoltaic system (Kyoto).

2012.5.20-25

Profs. Nishio, Guo, and Assist. Prof. Saito made 4 presentations at ICMOVPE-XVI(Busan, Korea).

2012.5.6-11

Assoc. Prof. Tanaka made an invited talk at CLEO2012(San Jose, U.S.A.).

2012.3.27

Assoc. Prof. Tanaka made a presentation at JST-PRESTO International Joint Symposium(Yokohama).

2012.3.18

Mr. Nagao made a presentation at JSAP Spring Meeting (Tokyo).

2012.2.14

Prof. Nishio's research on ZnTe-based green LED was inctroduced on The Nikkan Kogyo Shimbun.

2012.2.13

Mr. Ohshita and Ms. Ohkawa (Togami Electric Mfg. Co., Ltd.), the alumni of our lab, visited our laboratory.

2012.2.8

The paper on CZTSe has been accepted for publication in Journal of Applied Physics. This work has been done in collaboration with Dr. Walukiewicz and Dr. Yu in LBNL. "Existence and removal of Cu2Se second phase in coevaporated Cu2ZnSnSe4 thin films"

2012.1-2

Mr. Tsujita (Sony Semiconductor Corporation), Mr. Haren (Mitsubishi Heavy Industries. LTd), Mr. Yoshimoto (Mitsubishi Electric Corporation), and Mr. Kusunoki (The Kansai Electric Power Co. Inc.), the alumni of our lab, visited our department as a recruiter.

2012.1.16

Mr. Masaki Miyabara, a B4 student of our lab, won the IEEJ Award B (intended for IEEJ member less than 35 years old). Congraturation!

2012.1.1

Assist. Prof. Saito's paper has been published in Applied Surface Science."Effects of substrate temperature upon the properties of ZnMgTe layer grown by MOVPE"

2011.12.

Prof. Guo will make invited talks at Shanghai Teachers University and Guilin University of Electronic Technology.

2011.12.21

Mr. Harada (Tokyo Electron Kyushu Ltd.) and Mr. Tokunaga (Fukuda electron Ltd.), who graduated our lab in 2011 and 2013, respectively, will make lectures at our department for undergraduate and graduate students

2011.12.17

Prof. Guo's paper has been accepted for publication in Journal of Crystal Growth. "Growth of ZnTe layers on (111) GaAs substrates by
metalorganic vapor phase epitaxy".

2011.12.13

Assoc. Prof. Tanaka's paper has been accepted for publication in Applied Physics Letters. This work has been done in collaboration with Dr. Walukiewicz and Dr. Yu in LBNL. "Molecular beam epitaxial growth and optical properties of highly mismatched ZnTe1-xOx alloys".

2011.12.12

New our webpage was released.

2011.12.10

Prof. Guo made an invited talk at IPC2011(Tainan, Taiwan).

2011.11.28〜12.2

Assoc. Prof. Tanaka and graduate students made 3 presentations at PVSEC21(Fukuoka, Japan).

2011.11.26

Our graduate students made 4 presentations at the Kyushu-branch meeting of the Japan Society of Applied Physics(Kagoshima, Japan).

2011.11.21-24

Prof. Guo made an invited talk at ICEM-10(Shanghai, China).

2011.10.25

Prof. Guo made an invited talk at Nano S&T(Dalian, China).

2011.9.26

Our undergraduate and graduate students made 12 presentations at the Kyushu-branch meeting of the Institute of Electrical Engineering of Japan (Saga, Japan).