Results 41 to 50 of about 341,789 (294)

Structural Aspects of Porphyrins for Functional Materials Applications

open access: yesCrystals, 2017
Porphyrinic compounds comprise a diverse group of materials which have in common the presence of one or more cyclic tetrapyrroles known as porphyrins in their molecular structures.
Lawrence P. Cook   +2 more
doaj   +1 more source

Temperature Sensing Based on Defect Mode of One-Dimensional Superconductor-Semiconductor Photonic Crystals

open access: yesCrystals, 2023
Based on the transfer-matrix method, we theoretically explore the transmission and reflection properties of light waves in a one-dimensional defective photonic crystal composed of superconductor (HgBa2Ca2Cu3O8+δ) and semiconductor (GaAs) layers.
Huisheng Wei   +5 more
doaj   +1 more source

Isotopically Controlled Semiconductors [PDF]

open access: yesMRS Bulletin, 2002
The following article is an edited transcript based on the David Turnbull Lecture given by Eugene E. Haller (University of California, Berkeley) at the 2005 Materials Research Society Fall Meeting in Boston on November 29, 2005. The David Turnbull Lectureship is awarded to recognize the career of a scientist who has made outstanding contributions to ...
openaire   +5 more sources

Advancing Electronic Application of Coordination Solids: Enhancing Electron Transport and Device Integration via Surface‐Mounted MOFs (SURMOFs)

open access: yesAdvanced Functional Materials, EarlyView.
The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu   +2 more
wiley   +1 more source

Ring and Linear Structures of CdTe Clusters

open access: yesQuantum Reports
We report the results of an ab initio study of the linear and ring structures of cadmium telluride clusters [CdTe]n (CdnTen) n ≤ 10 within the generalized gradient approximation (GGA) and Purdue–Burke–Ernzerhof (PBE) parameterization with Hubbard ...
Andrii Kashuba   +4 more
doaj   +1 more source

Defect Reactions at Metal-Semiconductor and Semiconductor-Semiconductor Interfaces [PDF]

open access: yesMRS Proceedings, 1989
ABSTRACTA recently proposed, new approach to the problem of native defect formation in compound semiconductors is presented. The approach is based on the concept of amphoteric native defects. It is shown that the defect formation energy as well as structure and properties of simple native defects depend on the location of the Fermi level with respect ...
openaire   +2 more sources

Rational Fine‐Tuning of MOF Pore Metrics: Enhanced SO2 Capture and Sensing with Optimal Multi‐Site Interactions

open access: yesAdvanced Functional Materials, EarlyView.
A pore tuning strategy to amplify the multi‐site MOF‐SO2 interactions is proposed to achieve an enhanced trace SO2 capture and chemiresistive sensing in highly stable isostructural DMOFs by annelating benzene rings. This work provides a facile strategy to achieve tailor‐made stable MOF materials for specific multifunctional applications.
Shanghua Xing   +9 more
wiley   +1 more source

1380 nm VCSELs using surface-activated bonding of GaAs-based DBRs on a Ge substrate

open access: yesApplied Physics Express
A wafer-bonded vertical-cavity surface-emitting laser (VCSEL) was demonstrated by surface-activated bonding (SAB) of a GaAs-based distributed Bragg reflector (DBR) on a Ge substrate.
Tomomasa Watanabe   +8 more
doaj   +1 more source

Optical 3-D Profilometry for Measuring Semiconductor Wafer Surfaces with Extremely Variant Reflectivities

open access: yesApplied Sciences, 2019
A new surface profilometry technique is proposed for profiling a wafer surface with both diffuse and specular reflective properties. Most moiré projection scanning techniques using triangulation principle work effectively on diffuse reflective ...
Liang-Chia Chen   +2 more
doaj   +1 more source

Effect of tin on bandgap narrowing and optical properties of ZnO–Zn2SnO4 electrospun nanofibre composite

open access: yesJournal of Taibah University for Science, 2020
The quest for improved visible light absorption in ZnO-based photocatalysts and photodetectors is a prevailing research problem. One method of solving this problem is by narrowing the band gap of this material well into the range of visible light energy.
Hakeem Sanya Bolarinwa   +4 more
doaj   +1 more source

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