• 361 Citations
  • 10 h-Index
1989 …2019
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Research Output 1989 2019

  • 361 Citations
  • 10 h-Index
  • 75 Article
  • 5 Conference contribution
  • 2 Chapter
  • 1 Conference article
2019
1 Citation (Scopus)

One-Minute Joule Annealing Enhances the Thermoelectric Properties of Carbon Nanotube Yarns via the Formation of Graphene at the Interface

Hada, M., Hasegawa, T., Inoue, H., Takagi, M., Omoto, K., Chujo, D., Iemoto, S., Kuroda, T., Morimoto, T., Hayashi, T., Iijima, T., Tokunaga, T., Ikeda, N., Fujimori, K., Itoh, C., Nishikawa, T., Yamashita, Y., Kiwa, T., Koshihara, S. Y., Maeda, S. & 1 others, Hayashi, Y., Jan 1 2019, (Accepted/In press) In : ACS Applied Energy Materials.

Research output: Contribution to journalArticle

Open Access
Carbon Nanotubes
Graphite
Graphene
Yarn
Carbon nanotubes
2018

Bond Dissociation Triggering Molecular Disorder in Amorphous H2O

Hada, M., Shigeeda, Y., Koshihara, S. Y., Nishikawa, T., Yamashita, Y. & Hayashi, Y., Dec 13 2018, In : Journal of Physical Chemistry A. 122, 49, p. 9579-9584 6 p.

Research output: Contribution to journalArticle

Electron diffraction apparatus
disorders
dissociation
Molecules
Photoexcitation
5 Citations (Scopus)
crystal defects
electron microscopes
expansion
scanning
electron beams
1 Citation (Scopus)

High-performance structure of a coil-shaped soft-actuator consisting of polymer threads and carbon nanotube yarns

Inoue, H., Yoshiyama, T., Hada, M., Chujo, D., Saito, Y., Nishikawa, T., Yamashita, Y., Takarada, W., Matsumoto, H. & Hayashi, Y., Jul 1 2018, In : AIP Advances. 8, 7, 075316.

Research output: Contribution to journalArticle

yarns
threads
nanotubes
coils
actuators
3 Citations (Scopus)

In-situ X-ray diffraction reveals the degradation of crystalline CH3NH3PbI3 by water-molecule collisions at room temperature

Hada, M., Hasegawa, Y., Nagaoka, R., Miyake, T., Abdullaev, U., Ota, H., Nishikawa, T., Yamashita, Y. & Hayashi, Y., Feb 1 2018, In : Japanese Journal of Applied Physics. 57, 2, 028001.

Research output: Contribution to journalArticle

degradation
Crystalline materials
X ray diffraction
Degradation
Molecules
2016

Self-assembled C60 fullerene cylindrical nanotubes by LLIP method

Venkata Krishna Rao, R., Karthik, P. S., Abhinav, V. K., Lin, Z., Myint, M. T. Z., Nishikawa, T., Hada, M., Yamashita, Y., Hayashi, Y. & Singh, S. P., Nov 21 2016, 16th International Conference on Nanotechnology - IEEE NANO 2016. Institute of Electrical and Electronics Engineers Inc., p. 303-306 4 p. 7751386

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

liquid-liquid interfaces
Fullerenes
Nanotubes
fullerenes
nanotubes
2014

Effects of Sb doping on strain relaxation in SiGe film on Si substrate

Yamashita, Y., Tanemoto, K., Tanaka, A. & Fushimi, T., Jan 1 2014, In : AIP Conference Proceedings. 1583, p. 119-122 4 p.

Research output: Contribution to journalConference article

germanium
silicon
dislocation
substrate
antimony

Effects of Sb-doping on Strain Relaxation of SiGe Film on Si Substrate(共著)

Yamashita, Y., 2014, In : AIP Conference Proceedings. 1583, p. 119-122 4 p.

Research output: Contribution to journalArticle

2013

Terahertz properties from the surface of strained SiGe on Si multilayered structure

Omura, K., Nakamura, A., Kiwa, T., Yamashita, Y., Sakai, K. & Tsukada, K., 2013, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. 6665819

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

LSI circuits
Carrier mobility
Lasers
2012
1 Citation (Scopus)

Dislocation motion in Sb-doped SiGe on Si substrate

Yamashita, Y., Matsunaga, T., Funaki, T., Fushimi, T. & Kamiura, Y., Oct 2012, In : Physica Status Solidi (A) Applications and Materials Science. 209, 10, p. 1921-1925 5 p.

Research output: Contribution to journalArticle

Substrates
low concentrations
Activation energy
Doping (additives)
activation energy

DLTS study of Pd-H complexes in Si

Abe, S., Goura, R., Shimoe, K., Kamiura, Y., Yamashita, Y. & Ishiyama, T., 2012, Materials Science Forum. Vol. 725. p. 213-216 4 p. (Materials Science Forum; vol. 725).

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

Deep level transient spectroscopy
Electron energy levels
energy levels
Annealing
Electron traps
2011

Effects of uniaxial stress on local vibration of a platinum-hydrogen complex in silicon

Kamiura, Y., Higaki, K., Katayama, K., Mizukawa, H., Ishiyama, T., Yamashita, Y. & Abe, S., Mar 2011, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 8, 3, p. 686-689 4 p.

Research output: Contribution to journalArticle

platinum
vibration
silicon
hydrogen
symmetry

Electron spin resonance of chromium-platinum pair in silicon

Ishiyama, T., Tsurukawa, T., Mori, Y., Kamiura, Y. & Yamashita, Y., Aug 2011, In : Japanese Journal of Applied Physics. 50, 8 PART 1, 081302.

Research output: Contribution to journalArticle

Paramagnetic resonance
Platinum
chromium
Chromium
electron paramagnetic resonance
1 Citation (Scopus)

Hydrogen plasma treatment for Si waveguide smoothing

Cai, J., Wang, Y., Ishikawa, Y., Yamashita, Y., Kamiura, Y. & Wada, K., 2011, IEEE International Conference on Group IV Photonics GFP. p. 95-97 3 p. 6053727

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

Resonators
Hydrogen
Waveguides
Plasmas
Silicon

Palladium-hydrogen complex in silicon observed by electron spin resonance measurement

Ishiyama, T., Kimura, S., Mori, Y., Kamiura, Y. & Yamashita, Y., Sep 2011, In : Japanese Journal of Applied Physics. 50, 9 PART 1, 091301.

Research output: Contribution to journalArticle

Palladium
Paramagnetic resonance
palladium
hydrogen atoms
electron paramagnetic resonance
2009

Bistable character of a deep level in polycrystalline Si substrate for solar cell

Yamashita, Y., Ochi, M., Yoshinaga, H., Kamiura, Y. & Ishiyama, T., Dec 15 2009, In : Physica B: Condensed Matter. 404, 23-24, p. 5071-5074 4 p.

Research output: Contribution to journalArticle

Solar cells
Grain boundaries
solar cells
Deep level transient spectroscopy
Substrates
2 Citations (Scopus)

Electron spin resonance of palladium-related defect in silicon

Ishiyama, T., Kimura, S., Kamiura, Y. & Yamashita, Y., Dec 15 2009, In : Physica B: Condensed Matter. 404, 23-24, p. 4586-4589 4 p.

Research output: Contribution to journalArticle

Palladium
Silicon
Paramagnetic resonance
palladium
electron paramagnetic resonance
2 Citations (Scopus)

Electron spin resonance study of a platinum-manganese complex in silicon

Ishiyama, T., Murakami, N., Kamiura, Y. & Yamashita, Y., Mar 15 2009, In : Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 159-160, C, p. 198-201 4 p.

Research output: Contribution to journalArticle

Silicon
Manganese
Platinum
Paramagnetic resonance
manganese
2 Citations (Scopus)

Observation of photo- and electro-luminescence at 1.54 μm of Er in strained Si and SiGe

Kamiura, Y., Ishiyama, T., Yoneyama, S., Fukui, Y., Inoue, K. & Yamashita, Y., May 15 2008, In : Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 146, 1-3, p. 135-140 6 p.

Research output: Contribution to journalArticle

Electroluminescence
electroluminescence
Photoluminescence
photoluminescence
p-i-n diodes
1 Citation (Scopus)

Stress-induced splitting and shift of infrared absorption lines of platinum-hydrogen complexes in Si

Sato, K., Kamiura, Y., Ishiyama, T. & Yamashita, Y., Jun 13 2008, In : Japanese Journal of Applied Physics. 47, 6 PART 1, p. 4392-4397 6 p.

Research output: Contribution to journalArticle

Infrared absorption
infrared absorption
Platinum
vibration mode
platinum
2007
2 Citations (Scopus)
2 Citations (Scopus)
isotope effect
retraining
Isotopes
recovery
Recovery
2 Citations (Scopus)

Enhancement of blue emission from GaN films and diodes by water vapor remote plasma treatment

Kamiura, Y., Ogasawara, M., Fukutani, K., Ishiyama, T., Yamashita, Y., Mitani, T. & Mukai, T., Dec 15 2007, In : Physica B: Condensed Matter. 401-402, p. 331-334 4 p.

Research output: Contribution to journalArticle

Steam
Water vapor
water vapor
Diodes
diodes

Formation of low-resistivity region in p-Si substrate of SiGe/Si episystem by remote-hydrogen plasma treatment

Yamashita, Y., Sakamoto, Y., Kamiura, Y. & Ishiyama, T., Dec 15 2007, In : Physica B: Condensed Matter. 401-402, p. 218-221 4 p.

Research output: Contribution to journalArticle

hydrogen plasma
Hydrogen
Plasmas
electrical resistivity
Substrates
2006

Effects of compressive stress on the electronic states and atomic configurations of the Pt-H2 defect in silicon

Kamiura, Y., Sato, K., Yamashita, Y. & Ishiyama, T., Oct 15 2006, In : Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 134, 2-3 SPEC. ISS., p. 213-217 5 p.

Research output: Contribution to journalArticle

Electronic states
Silicon
Compressive stress
Defects
defects
4 Citations (Scopus)

Effects of hydrogen on depth profile of resistivity of SiGe on Si substrate

Yamashita, Y., Kamiura, Y., Miyasako, T., Shiotani, T. & Ishiyama, T., May 9 2006, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 45, 5 A, p. 3994-3996 3 p.

Research output: Contribution to journalArticle

Hydrogen
electrical resistivity
Substrates
hydrogen
profiles
2 Citations (Scopus)

Effects of hydrogen treatment on strain relaxation of SiGe epi-layer on Ge substrate

Yamashita, Y., Nakagawa, R., Sakamoto, Y., Ishiyama, T. & Kamiura, Y., Apr 1 2006, In : Physica B: Condensed Matter. 376-377, 1, p. 204-207 4 p.

Research output: Contribution to journalArticle

Strain relaxation
Hydrogen
Substrates
hydrogen
Epitaxial films
4 Citations (Scopus)

Electron spin resonance of platinum pair complex in silicon

Ishiyama, T., Fukuda, T., Yamashita, Y. & Kamiura, Y., Apr 1 2006, In : Physica B: Condensed Matter. 376-377, 1, p. 89-92 4 p.

Research output: Contribution to journalArticle

Silicon
Platinum
Paramagnetic resonance
electron paramagnetic resonance
platinum
5 Citations (Scopus)

Enhancement of photoluminescence at 1.54 μm from Er in strained Si and SiGe

Ishiyama, T., Yoneyama, S., Yamashita, Y., Kamiura, Y., Date, T., Hasegawa, T., Inoue, K. & Okuno, K., Apr 1 2006, In : Physica B: Condensed Matter. 376-377, 1, p. 122-125 4 p.

Research output: Contribution to journalArticle

Photoluminescence
photoluminescence
augmentation
Luminescence
Molecular beam epitaxy
1 Citation (Scopus)

Local motion of hydrogen around platinum in Si

Bao, N., Kamiura, Y., Yamashita, Y. & Ishiyama, T., Apr 1 2006, In : Physica B: Condensed Matter. 376-377, 1, p. 81-84 4 p.

Research output: Contribution to journalArticle

Platinum
Hydrogen
platinum
retraining
recovery
3 Citations (Scopus)

Stress-induced reorientation of the Pt-H2 complex in Si

Sato, K., Kamiura, Y., Yamashita, Y. & Ishiyama, T., Apr 1 2006, In : Physica B: Condensed Matter. 376-377, 1, p. 77-80 4 p.

Research output: Contribution to journalArticle

retraining
Deep level transient spectroscopy
Compressive stress
Tensors
Activation energy
2005
10 Citations (Scopus)

Enhancement of blue emission from Mg-doped GaN using remote plasma containing atomic hydrogen

Kamiura, Y., Kaneshiro, M., Tamura, J., Ishiyama, T., Yamashita, Y., Mitani, T. & Mukai, T., 2005, In : Japanese Journal of Applied Physics, Part 2: Letters. 44, 28-32

Research output: Contribution to journalArticle

Plasmas
Hydrogen
augmentation
hydrogen
Water vapor
2004

Comparative study of electronically controlled motion of hydrogen around carbon and platinum atoms in silicon

Kamiura, Y., Bao, N., Sato, K., Fukuda, K., Iwagami, Y., Yamashita, Y. & Ishiyama, T., 2004, Materials Research Society Symposium Proceedings. Nickel, N. H., McCluskey, M. D. & Zhang, S. (eds.). Vol. 813. p. 27-32 6 p.

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

Silicon
Platinum
Hydrogen
Carbon
Atoms
14 Citations (Scopus)

Effect of uniaxial stress on the electronic state of a platinum-dihydrogen complex in silicon and charge-state-dependent motion of hydrogen during stress-induced reorientation

Kamiura, Y., Sato, K., Iwagami, Y., Yamashita, Y., Ishiyama, T. & Tokuda, Y., Jan 2004, In : Physical Review B - Condensed Matter and Materials Physics. 69, 4, p. 452061-452068 8 p., 045206.

Research output: Contribution to journalArticle

Electronic states
Silicon
Platinum
retraining
Hydrogen
Paramagnetic resonance
electron paramagnetic resonance
Lighting
illumination
Relaxation time
2003
2 Citations (Scopus)

Effects of hydrogen atoms on postannealing of phosphorus-ion implanted silicon

Yamashita, Y., Kamiura, Y., Yamamoto, I., Ishiyama, T. & Sato, Y., Jan 1 2003, In : Journal of Applied Physics. 93, 1, p. 134-138 5 p.

Research output: Contribution to journalArticle

phosphorus
hydrogen atoms
silicon
implantation
ions
3 Citations (Scopus)

Enhancing effect of tensile strain on photoluminescence of Er in Si on a SiGe layer

Ishiyama, T., Yoshida, M., Yamashita, Y., Kamiura, Y., Date, T., Hasegawa, T., Inoue, K. & Okuno, K., Dec 31 2003, In : Physica B: Condensed Matter. 340-342, p. 818-822 5 p.

Research output: Contribution to journalArticle

Tensile strain
Photoluminescence
photoluminescence
Luminescence
Molecular beam epitaxy
9 Citations (Scopus)

Study of the deep level related to a platinum-dihydrogen complex in Si by capacitance transient spectroscopy under uniaxial stress

Kamiura, Y., Iwagami, Y., Fukuda, K., Yamashita, Y., Ishiyama, T. & Tokuda, Y., Apr 2003, In : Microelectronic Engineering. 66, 1-4, p. 352-357 6 p.

Research output: Contribution to journalArticle

Deep level transient spectroscopy
Platinum
platinum
capacitance
Defects

Electronically controlled motion of hydrogen in silicon

Kamiura, Y., Fukuda, K., Yamashita, Y. & Ishiyama, T., Jan 1 2002, In : Physical Review B - Condensed Matter and Materials Physics. 65, 11, p. 1-4 4 p.

Research output: Contribution to journalArticle

Silicon
Hydrogen
silicon
hydrogen
Carbon
7 Citations (Scopus)

Electronically controlled motion of hydrogen in silicon

Kamiura, Y., Fukuda, K., Yamashita, Y. & Ishiyama, T., Mar 15 2002, In : Physical Review B - Condensed Matter and Materials Physics. 65, 11, p. 1132051-1132054 4 p., 113205.

Research output: Contribution to journalArticle

Silicon
Hydrogen
silicon
hydrogen
Carbon