Fabrication of ultra-high density InAs-stacked quantum dots by strain-controlled growth on InP(311)B substrate

Kouichi Akahane, Naoki Ohtani, Yoshitaka Okada, +1

Journal of Crystal Growth

Materials ScienceEngineeringStrain-controlled GrowthNanotechnologyApplied Physics +7

Heteroepitaxial growth of GaSb on Si(001) substrates

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, +1

Journal of Crystal Growth

Applied PhysicsHeteroepitaxial GrowthMolecular Beam EpitaxySilicon On InsulatorEpitaxial Growth

Long-wavelength light emission from InAs quantum dots covered by GaAsSb grown on GaAs substrates

Kouichi Akahane, Naokatsu Yamamoto, Naoki Ohtani

Physica E Low-dimensional Systems and Nanostructures

PhotonicsPhotoluminescenceGaassb GrownEngineeringQuantum Dots +7

Initial growth stage of GaSb on Si(001) substrates with AlSb initiation layers

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, +2

Journal of Crystal Growth

Materials ScienceInitial Growth StageEngineeringCrystal Growth TechnologySurface Science +6

Over 1.3μm continuous-wave laser emission from InGaSb quantum-dot laser diode fabricated on GaAs substrates

Naokatsu Yamamoto, Kouichi Akahane, Shin-ichiro Gozu, +1

Applied Physics Letters

PhotonicsPhotoluminescenceEngineeringGaas SubstratesContinuous-wave Laser Emission +9

Quantum-well microtube constructed from a freestanding thin quantum-well layer

M. Hosoda, Y. Kishimoto, Megumi Sato, +5

Applied Physics Letters

Quantum SciencePhotonicsPhotoluminescenceEngineeringQuantum Computing +13

Photoluminescence of GaAs/AlGaAs micro-tubes containing uniaxially strained quantum wells

K. Kubota, Pablo O. Vaccaro, Naoki Ohtani, +3

Physica E Low-dimensional Systems and Nanostructures

PhotonicsPhotoluminescenceEngineeringPhysicsApplied Physics +3

Strong photoluminescence and laser operation of InAs quantum dots covered by a GaAsSb strain-reducing layer

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, +1

Physica E Low-dimensional Systems and Nanostructures

Materials ScienceIi-vi SemiconductorPhotoluminescenceEngineeringPhysics +8

Relaxation Dynamics of Photoexcited Excitons in Rubrene Single Crystals Using Femtosecond Absorption Spectroscopy

Silu Tao, Naoki Ohtani, R. Uchida, +8

Physical Review Letters

Relaxation ProcessLocalized Excited StateEngineeringExciton Dissociation MechanismMagnetic Resonance +17

Structural and optical studies of pure and Ni-doped ZnO nanoparticles synthesized by simple solution combustion method

M. Silambarasan, S. Saravanan, Naoki Ohtani, +1

Japanese Journal of Applied Physics

Materials ScienceChemical EngineeringEngineeringNanoengineeringNanomaterials +12