Optical properties of single-wall carbon nanotubes

Hiromichi Kataura, Y. Kumazawa, Yutaka Maniwa, +4

Synthetic Metals

One-dimensional MaterialOptical MaterialsEngineeringCarbon-based MaterialOptical Properties +3

Optical Properties of Silicon Nanocrystallites Prepared by Excimer Laser Ablation in Inert Gas

Yuka Yamada, Takaaki Orii, Ikurou Umezu, +2

Japanese Journal of Applied Physics

Excimer Laser AblationOptical MaterialsEngineeringLaser AblationLaser Material +21

Fabrication and subband gap optical properties of silicon supersaturated with chalcogens by ion implantation and pulsed laser melting

Brion Bob, Atsushi Kohno, Supakit Charnvanichborikarn, +5

Journal of Applied Physics

Materials SciencePhotonicsSingle Crystal SiliconOptical MaterialsEngineering +13

Emergence of very broad infrared absorption band by hyperdoping of silicon with chalcogens

Ikurou Umezu, Jeffrey M. Warrender, Supakit Charnvanichborikarn, +6

Journal of Applied Physics

Optical MaterialsEngineeringOptoelectronic DevicesSilicon On InsulatorSemiconductor Nanostructures +14

Formation of nanoscale fine-structured silicon by pulsed laser ablation in hydrogen background gas

Ikurou Umezu, Akira Sugimura, Mitsuru Inada, +3

Physical Review B

EngineeringSecondary StructureLaser AblationNanoscale Fine-structured SiliconFine Structure +18

Atomic microstructure and electronic properties of <i>a</i>-SiN<i>x</i>:H deposited by radio frequency glow discharge

Keiji Maeda, Ikurou Umezu

Journal of Applied Physics

EngineeringRadio FrequencyGlow DischargeOptical AbsorptionElectronic Properties +17

Sulfur-K X-Ray Spectra and Electronic Structure of a Semiconductor Ag₂S

Chikara Sugiura, Michihide Kitamura, Shinji Muramatsu, +5

Japanese Journal of Applied Physics

X-ray SpectroscopyEngineeringSulfur 4Solid-state ChemistryMetallic Nanomaterials +15

Synthesis of photoluminescent colloidal silicon nanoparticles by pulsed laser ablation in liquids

Ikurou Umezu, Hiromasa Minami, H Senoo, +1

Journal of Physics Conference Series

Materials ScienceColloidal MaterialEngineeringSilicon Colloid SolutionNanomaterials +8

Mechanism of surface reaction in the deposition process of<i>a</i>-Si:H by rf glow discharge

Keiji Maeda, Atsushi Kuroe, Ikurou Umezu

Physical review. B, Condensed matter

SemiconductorsChemical EngineeringEngineeringGlow DischargeSurface Science +13

Inter-Dot Distance Dependence of Photoluminescence Properties in CdSe Quantum Dot Systems

K. Tai, Wei Lü, Ikurou Umezu, +1

Applied Physics Express

PhotonicsPhotoluminescenceDipole–dipole InteractionEngineeringPhysics +13