Quantum mechanical studies of large metal, metal oxide, and metal chalcogenide nanoparticles and clusters

A Fernando, KLDM Weerawardene… - Chemical …, 2015 - ACS Publications
Metal, metal oxide, and metal chalcogenide materials have a wide variety of applications.
For example, many metal clusters and nanoparticles are used as catalysts for reactions …

Electrochemistry of layered GaSe and GeS: applications to ORR, OER and HER

SM Tan, CK Chua, D Sedmidubský, Z Sofer… - Physical Chemistry …, 2016 - pubs.rsc.org
Though many studies examined the properties of the class of IIIA–VIA and IVA–VIA layered
materials, few have delved into the electrochemical aspect of such materials. In light of the …

Synthesis and characterization of germanium sulfide aerogels

KK Kalebaila, DG Georgiev, SL Brock - Journal of non-crystalline solids, 2006 - Elsevier
The synthesis of germanium sulfide gels by thiolysis reactions of a non-aqueous solution of
Ge (OEt) 4, followed by supercritical fluid extraction to create aerogels, is described …

Local structure of technologically modified g-GeS2: resonant Raman and absorption edge spectroscopy combined with ab initio calculations

R Holomb*, P Johansson, V Mitsa… - Philosophical …, 2005 - Taylor & Francis
We have used resonant Raman and absorption edge spectroscopy together with first-
principle calculations in order to study the structure of GeS2 glasses (g-GeS2). The glasses …

Controllable Formation of the Crystalline Phases in Ge–Ga–S Chalcogenide Glass‐Ceramics

X Yang, M Zhang, K Yan, L Han, Q Xu… - Journal of the …, 2017 - Wiley Online Library
We prepared chemically stoichiometric, S‐poor and S‐rich Ge–Ga–S glasses and annealed
them at a temperature that was 20° C higher than its respective glass transition temperature …

Defects in Se, As2S3, and GeS2 glasses: Ab initio analyses of related clusters

K Tanaka - Journal of Non-Crystalline Solids, 2024 - Elsevier
Abstract Dangling bonds in Se, As 2 S 3, and GeS 2 glasses and wrong bonds in the
compounds have been comparatively studied using an ab initio molecular-orbital software …

Some physical properties of GexAsxS1− 2x glasses

M Kincl, L Tichy - Materials chemistry and physics, 2007 - Elsevier
Bulk glasses GexAsxS1− 2x where 0.0833≤ x≤ 0.3 were prepared. The softening
temperature of prepared glasses increases while the optical gap decreases with an increase …

Crystallization effects in annealed thin GeS2 films photodiffused with Ag

M Balakrishnan, MN Kozicki, CD Poweleit… - Journal of non …, 2007 - Elsevier
We have investigated the diffusion products occurring after photodiffusion of Ag in GeS2
films at room temperature and after annealing up to 430° C. Quantitative data regarding the …

Non‐linear optical properties and structure of wide band gap non‐crystalline semiconductors

V Mitsa, R Holomb, M Veres, A Marton… - … status solidi (c), 2011 - Wiley Online Library
The non‐linear two‐photon absorption coefficient (TPA) of ternary Ge‐As‐S glasses of
different sections (As2S3‐GeS2, As2S3‐Ge2S3, As‐GeS2, As‐Ge2S3) was measured at …

Reproducibility of the Optical Absorption Edge in Amorphous GeS2

K Tanaka - physica status solidi (b), 2024 - Wiley Online Library
Herein, poor reproducibility of optical absorption edges in GeS2 glasses and films is seen.
Reported spectral positions of the absorption edge in melt‐quenched glasses spread over≈ …