Bulk nanostructured materials from severe plastic deformation
In recent years, bulk nanostructured materials (NSM) processed by methods of severe
plastic deformation (SPD) have attracted the growing interest of specialists in materials …
plastic deformation (SPD) have attracted the growing interest of specialists in materials …
Raman spectroscopy of optical phonon confinement in nanostructured materials
If the medium surrounding a nano‐grain does not support the vibrational wavenumbers of a
material, the optical and acoustic phonons get confined within the grain of the …
material, the optical and acoustic phonons get confined within the grain of the …
Theory of the quantum confinement effect on excitons in quantum dots of indirect-gap materials
T Takagahara, K Takeda - Physical Review B, 1992 - APS
The quantum confinement effect on excitons in quantum dots of indirect-gap materials is
investigated and a mechanism that induces an indirect-to-direct conversion of the character …
investigated and a mechanism that induces an indirect-to-direct conversion of the character …
Low-dimensional systems: quantum size effects and electronic properties of semiconductor microcrystallites (zero-dimensional systems) and some quasi-two …
AD Yoffe - Advances in Physics, 1993 - Taylor & Francis
This review is concerned with quantum confinement effects in low-dimensional
semiconductor systems. The emphasis is on the optical properties, including luminescence …
semiconductor systems. The emphasis is on the optical properties, including luminescence …
[ספר][B] Semiconductor quantum dots
COUPLED QUANTUM DOTS | Semiconductor Quantum Dots World Scientific Search This
Book Anywhere Quick Search in Books Enter words / phrases / DOI / ISBN / keywords / authors …
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[HTML][HTML] Quantum confinement in Si and Ge nanostructures: Theory and experiment
The role of quantum confinement (QC) in Si and Ge nanostructures (NSs) including quantum
dots, quantum wires, and quantum wells is assessed under a wide variety of fabrication …
dots, quantum wires, and quantum wells is assessed under a wide variety of fabrication …
Raman shifts in Si nanocrystals
Raman shifts of Si nanocrystals versus size were studied theoretically by a bond
polarizability model. Zero-dimensional spheres and one-dimensional columns were …
polarizability model. Zero-dimensional spheres and one-dimensional columns were …
Quantum-dot quantum well CdS/HgS/CdS: Theory and experiment
An extended theoretical approach for calculating the 1s-1s electronic transition in spherically
layered semiconductor quantum dots is presented. The extension over the common effective …
layered semiconductor quantum dots is presented. The extension over the common effective …
Visible photoluminescence from nanocrystallite Ge embedded in a glassy matrix: Evidence in support of the quantum-confinement mechanism
Abstract Nanocrystallite Ge (nc-Ge) embedded in a glassy SiO 2 matrix is fabricated and
examined by x-ray photoelectron spectrometry, Raman spectrometry, and high-resolution …
examined by x-ray photoelectron spectrometry, Raman spectrometry, and high-resolution …
Germanium nanowire growth via simple vapor transport
Germanium nanowires are synthesized in bulk quantities and high purity using a simple
vapor transport process. X-ray diffraction, scanning electron microscopy and transmission …
vapor transport process. X-ray diffraction, scanning electron microscopy and transmission …