Results 101 to 110 of about 26,029 (244)

Fabrication Methods of Continuous Pure Metal–Organic Framework Membranes and Films: A Review

open access: yesMolecules
Metal–organic frameworks (MOFs) have drawn intensive attention as a class of highly porous, crystalline materials with significant potential in various applications due to their tunable porosity, large internal surface areas, and high crystallinity. This
Qinglei Xing   +9 more
doaj   +1 more source

Determining bismuth content in GaAsBi alloys by energy‐dispersive X‐ray spectroscopy: A case study with multiple sets of k*‐factors for analytical transmission electron microscopy

open access: yesJournal of Microscopy, EarlyView.
Abstract Measuring the bismuth (Bi) content of ternary gallium arsenide bismuthide (GaAsBi) alloys is important because it sensitively influences their bandgap, and Bi is known to segregate vertically to the surface and sometimes also laterally during growth, so elemental distribution maps need to be quantified.
T. Walther
wiley   +1 more source

Influence of Photoexcitation Depth on Luminescence Spectra of Bulk GaAs Single Crystals and Defect Structure Characterization

open access: yes, 2011
The results of investigation of bulk GaAs photoluminescence are presented taken from near-surface layers of different thicknesses using for excitation the light with the wavelengths which are close but some greater than the excitonic absorption ...
Fedoseyev, V. G.   +4 more
core  

Film Fabrication Technologies at NREL [PDF]

open access: yes, 1993
The National Renewable Energy Laboratory (NREL) has extensive capabilities for fabricating a variety of high-technology films. Much of the in-house work in NREL's large photovoltaics (PV) program involves the fabrication of multiple thin-film ...
Mcconnell, Robert D.
core   +1 more source

Emerging 2D Materials and Their Hybrid Nanostructures for Label‐Free Optical Biosensing: Recent Progress and Outlook

open access: yesAdvanced Functional Materials, Volume 36, Issue 11, 5 February 2026.
This review highlights recent advances in label‐free optical biosensors based on 2D materials and rationally designed mixed‐dimensional nanohybrids, emphasizing their synergistic effects and novel functionalities. It also discusses multifunctional sensing platforms and the integration of machine learning for intelligent data analysis.
Xinyi Li, Yonghao Fu, Yuehe Lin, Dan Du
wiley   +1 more source

Growth of ultimate high-density scintillating films for high-resolution X-ray imaging at synchrotrons

open access: yesOptical Materials: X
Scintillators are X-ray to visible light converters applied in X-ray imaging detectors used at synchrotrons. Drastically improved performances of the 4th generation synchrotron sources enable us to perform X-ray imaging experiments at higher energies ...
Laura Wollesen   +8 more
doaj   +1 more source

Temperature‐Dependent Zinc Oxide Cathodoluminescence: Toward Compact Wavelength‐Tunable Solid‐State Photoionization Sources

open access: yesAdvanced Optical Materials, Volume 14, Issue 6, 9 February 2026.
A proof‐of‐concept of a thermally‐tunable cathodoluminescence‐based light source is demonstrated using a wide‐bandgap z‐cut ZnO crystal as anode, resulting in the ultraviolet (UV) emission peak shifting from 398 nm to ~409 nm (3.115‐3.032 eV). Our results establish the feasibility of a compact, field‐deployable UV source with potential for gas sensing ...
Rui M. R. Pinto   +7 more
wiley   +1 more source

The influence of the epitaxial layers surface morphology and polarity on quality of passivating coating and the parameters of arrays photosensitive devices on base CdхHg1-хTe

open access: yesТонкие химические технологии, 2009
The influence of growth surface defects of CdхHg1-хTe epitaxial layers which has been grown by liquid phase epitaxy on quality of passivating coatings, creating by the method of the hot wall, is investigated.
I. D. Burlakov   +4 more
doaj  

Diameter Dependence of Light Absorption in GaAs Nanowires Evidenced by Photoluminescence Spectroscopy

open access: yesAdvanced Optical Materials, Volume 14, Issue 5, 2 February 2026.
Photoluminescence spectroscopy is introduced as a qualitative method to probe light absorption in highly phase‐pure GaAs nanowire arrays and single nanowires, for which direct absorption measurements are challenging. Using defect‐line saturation and the exciton‐to‐plasma transition as indicators for the density of photogenerated charge carriers, a ...
Francisca Marín   +3 more
wiley   +1 more source

The photovoltaic properties of an Al In As/InP heterojunctions grown by LPE method [PDF]

open access: yes
Work is presented on heterojunction solar cells which were studied under the NASA/Arizona State University intern program. The heterojunction solar cells were fabricated by the liquid phase epitaxy method.
Wang, Edward Y.
core   +1 more source

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