Ta 2 O 5 is an important material that has recently been discovered to serve as an attractive
alternative to TiO 2 during photocatalytic and photoelectrochemical processing, given that …

The environment and energy crisis due to carbon dioxide emissions from burning fossil fuels
have increased the urgency to explore sustainable energy, while hydrogen with high energy …

Based on particle swarm optimization (PSO) algorithm and density functional theory (DFT)
calculations, we identify a stable triclinic crystal structure of Ta 2 O 5 (named as γ 1-Ta 2 O 5) …

White and gray Ta 2 O 5 powders were fabricated by sol-gel and then annealed at 850° C in
air and vacuum, respectively. Analyses by Raman spectroscopy, X-ray photoelectron …

Valence change-type resistance switching behaviors in oxides can be understood by well-
established physical models describing the field-driven oxygen vacancy distribution change …

Tantalum pentoxide (T a 2 O 5) is a wide-gap semiconductor which has important
technological applications. Despite the enormous efforts from both experimental and …

Ta2O5 is extensively studied as a data-storage material for resistance random access
memory (RRAM). The resistive switching (RS) in Ta2O5-based RRAM is generally believed …

Amorphous TaOx (a-TaOx) based resistance switches have recently demonstrated
outstanding performance and are being considered as one of the most promising …

The structure, formation energy, and energy levels of the various oxygen vacancies in Ta 2
O 5 have been calculated using the λ phase model. The intra-layer vacancies give rise to …

Abstract Tantalum pentoxide (Ta 2 O 5) is a wide-gap semiconductor that presents good
catalytic and dielectric properties, conferring to this compound promising prospective use in …