Optical transitions
Influence of stress on optical transitions in GaN nanorods containing a single InGaN/GaN quantum disk
... of optical transitions in isolated, nominally fully relaxed GaN nanorods containing a single pseudomorphic InGaN QW by cathodoluminescence (CL) hyperspectral ...observed optical transitions on ...
8
Optical Transitions in Direct-Bandgap Ge1-xSnx Alloys
... on optical transitions in GeSn alloys have been ...PL transitions into distinct contributions stemming from heavy hole (HH) and light hole (LH) valence bands is studied experimentally and ...
20
Spectroscopic Ellipsometry Study of the Dielectric Function of Cu(In1–xGax)3Se5 Bulk Compounds: Identification of Optical Transitions
... The crystals were characterized by X-ray measurements, using a Seifert MZIV powder diffractometer ( θ , 2 θ geometry) with Cu (K α ) radiation ( λ = 1.5406 Å). The chemical composition of the obtained samples were given ...
12
Ellipsometric study of optical transitions in Ag1−xInx alloys
... In the earlier studies of the optical properties of metal alloys the rigid-band model' was used to predict the shift of absorption edges by assuming that the alloy has the same band stru[r] ...
8
Temperature-dependent modulated reflectance of InAs/InGaAs/GaAs quantum dots-in-a-well infrared photodetectors
... The enhancement of PR signal observed whilst reducing the sample temperature down to 150 K (see Fig. 4) can thus be associated with the capture of photoexcited carriers into QDs leading to GS filling effects and/or ...
7
Reflectance anisotropy spectroscopy of magnetite (110) surfaces
... the optical transitions, associated with anisotropic strain or electric field gradients caused by the (110) surface termination or an native oxide layer, are responsible for the strong signal ...
10
Toward ab initio optical spectroscopy of the Fenna Matthews Olson complex
... between optical transitions in the pigments (excitonic couplings), and the spectral density characterizing the dynamic modulation of site energies and excitonic couplings by the ...to optical ...
8
Effect of the Doping Layer Concentration on Optical Absorption in Si δ Doped GaAs Layer
... intersubband optical transitions be- tween the size quantized subbands in the same ...intersubband optical absorption in quantum well struc- tures [16,17] and in - doped semiconductors has been ...
5
Effects of rapid thermal annealing on the optical properties of strain free quantum ring solar cells
... on optical properties of quantum ring solar cells have been ...broadband optical transitions and thus improves the solar cell ...and optical property enhancement during thermal annealing needs ...
5
Collaborative Edge Computing in Mobile Internet of Things
... and optical transitions for such designed quantum dots in graphene-like ...The optical properties of the quantum dots are characterized by two type of absorption spec- tra: interband (optical ...
124
Properties of Home Made Spin Coated TiO2 Thin Film
... the optical behavior of thin films deal with the optical reflection, transmission and absorption ...obtain optical constant. Thus optical studies lead to a variety of optical phenomena ...
10
Synthesis and Characterization of Cadmium Containing Sodium Borate Glasses
... of optical spectra is one of the most beneficial tools to figure out the electronic structures of amorphous semiconductors ...the optical absorp- tion coefficient (α) near the fundamental absorption edge is ...
6
Collective suppression of optical hyperfine pumping in dense clouds of atoms in microtraps
... in optical transitions and the optical pumping necessitates simulation approaches that go be- yond the low light intensity limit, incorporating also the excited state ...
5
Excitation Of Silicon Atom And Singly-Charged Ion In E–Si Collisions
... As mentioned in the Introduction, laser generation based on transitions of singly-charged silicon ions was obtained as early as in 1965 [4]. However all three generation lines λ = 634.710, 637.136, 667.188 nm lie ...
9
Optical activity and critical exponent of the order parameter in lead germanate crystals.
... phase transitions can be determined on the basis of optical activity data using the approach dividing a sample into a number of homogeneous cells with their own Curie ...
12
Managing technological transitions: prospects, places, publics and policy
... Third, we have developed and demonstrated a framework for analysing the interplay between ‘public engagement’, technological development and the local context of its (non-) appropriation. This attempts to re-connect ...
54
Unravelling the roles of size, ligands and pressure in the piezochromic properties of CdS nanocrystals
... nanocrystal agglomeration and corrosion, 6 and tune band-edge energy levels 7 and optical properties. 8 Progress in the synthesis and demands from applications are driving research toward nanocrystals of ...
8
Cycloaddition reaction versus dimer cleavage at the Si(001): C5H8 interface
... surface optical anisotropies, which mainly arise from electronic transitions within the substrate and between the substrate and the ...Surface optical spectroscopies are therefore well suited for ...
6
Optical properties of metamorphic type I InAs1 xSbx/AlyIn1 yAs quantum wells grown on GaAs for the mid infrared spectral range
... a conventional Varshni parametrisation. 25,26 The band structure and eigenstates obtained via the multi-band k·p calculation for a given QW structure are used directly to compute spontaneous emission (SE) spectra, under ...
10
Investigation of Magneto-phonon Resonance in Graphene Monolayers
... So far, we have calculated the transverse MC in monolayer graphene subjected to a perpendicupar magnetic field. The electron-optical phonon interaction is taken into account at high temperatures. The dependence of ...
12