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Showing 1-27 of 27 results for "215066" within Papers
Ting Wang et al.
Journal of the American Chemical Society, 132(27), 9250-9252 (2010-06-23)
We report a colloidal synthesis of gallium oxide (Ga(2)O(3)) nanocrystals having metastable cubic crystal structure (gamma phase) and uniform size distribution. Using the synthesized nanocrystal size series we demonstrate for the first time a size-tunable photoluminescence in Ga(2)O(3) from ultraviolet
The rate of charge tunneling through self-assembled monolayers is insensitive to many functional group substitutions.
Hyo Jae Yoon et al.
Angewandte Chemie (International ed. in English), 51(19), 4658-4661 (2012-04-17)
Jae-Hong Jeon et al.
Journal of nanoscience and nanotechnology, 13(11), 7535-7539 (2013-11-20)
While observing the transfer characteristics of a-IGZO TFTs, it was noticed that a hump occurred in the subthreshold regime after light and bias stress. This study analyzes the mechanism of the hump occurrence. It was determined that hump characteristics were
K G Godinho et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 23(33), 334201-334201 (2011-08-05)
The geometry and electronic structure of copper-based p-type delafossite transparent conducting oxides, CuMO(2) (M = In, Ga, Sc), are studied using the generalized gradient approximation (GGA) corrected for on-site Coulomb interactions (GGA + U). The bonding and valence band compositions
J B Varley et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 23(33), 334212-334212 (2011-08-05)
Using first-principles calculations we have studied the electronic and structural properties of cation vacancies and their complexes with hydrogen impurities in SnO(2), In(2)O(3) and β-Ga(2)O(3). We find that cation vacancies have high formation energies in SnO(2) and In(2)O(3) even in
Farheen N Sayed et al.
Journal of nanoscience and nanotechnology, 11(4), 3363-3369 (2011-07-23)
We report on the structural and magnetic properties of nanoparticles of NiGa2O4 and 5 at.% M doped (M = Mn2+, Cu2+, Co2+, Fe3+ and Tb3+) at Ga site of NiGa2O4, synthesized by gel-combustion method. The particle size, as investigated by
Remarkable improvement of the photocatalytic activity of Ga2O3 towards the overall splitting of H2O.
Yoshihisa Sakata et al.
ChemSusChem, 4(2), 181-184 (2011-02-18)
Michael Nolan
ACS applied materials & interfaces, 4(11), 5863-5871 (2012-10-16)
Titanium dioxide is an important and widely studied photocatalytic material, but to achieve photocatalytic activity under visible-light absorption, it needs to have a narrower band gap and reduced charge carrier recombination. First-principles simulations are presented in this paper to show
Ali Hussain Reshak et al.
The journal of physical chemistry. B, 113(46), 15237-15242 (2009-10-28)
We have performed a density functional calculation for the centrosymmetric neodymium gallate using a full-potential linear augmented plane wave method with the LDA and LDA+U exchange correlation. In particular, we explored the influence of U on the band dispersion and
G Wilma Busser et al.
ChemSusChem, 5(11), 2200-2206 (2012-10-24)
The deposition of hydrogen evolution sites on photocatalysts is a crucial step in the multistep process of synthesizing a catalyst that is active for overall photocatalytic water splitting. An alternative approach to conventional photodeposition was developed, applying the photocatalytic reforming
Weirong Zhao et al.
Journal of hazardous materials, 192(3), 1548-1554 (2011-07-20)
Mesoporous wide bandgap semiconductors offer high photocatalytic oxidation and mineralization activities. In this study, mesoporous β-Ga(2)O(3) diamond nanorods with 200-300 nm in diameter and 1.0-1.2 μm in length were synthesized via a urea-based hydrothermal method using polyethylene glycol (PEG) as
Liang Li et al.
Nanoscale, 3(3), 1120-1126 (2011-01-05)
We designed solar-blind deep-ultraviolet semiconductor photodetectors using individual Ga2O3 nanobelts. The photoconductive behavior was systematically studied. The photodetectors demonstrate high selectivity towards 250 nm light, fast response times of less than 0.3 s, and a large photocurrent to dark current
Liang Qiao et al.
Proteomics, 11(17), 3501-3509 (2011-07-14)
β-Ga(2)O(3) is a wide-band-gap semiconductor having strong oxidation ability under light irradiation. Herein, the steel target plates modified with β-Ga(2)O(3) nanoparticles have been developed to carry out in-source photo-catalytic oxidative reactions for online peptide tagging during laser desorption/ionization mass spectrometry
Adrien Mekki-Berrada et al.
Physical chemistry chemical physics : PCCP, 14(12), 4155-4161 (2012-02-16)
The design of new amphoteric catalysts is of great interest for several industrial processes, especially those covering dehydration and dehydrogenation phenomena. Adsorption microcalorimetry was used to monitor the design of mixed oxides of zinc with Group 3 elements (aluminium, gallium
Feng Shi et al.
Journal of nanoscience and nanotechnology, 12(11), 8481-8486 (2013-02-21)
beta-Ga2O3 nanorod array clumps were successfully synthesized on Si (111) substrates by chemical vapor deposition. The composition, microstructure, morphology, and light-emitting property of these clumps were characterized by X-ray diffraction, Fourier transform infrared spectrophotometry, X-ray photoelectron spectroscopy, scanning electron microscopy
Yanyan Guo et al.
Optics letters, 37(2), 268-270 (2012-08-03)
The 2.7 μm emission properties in Er3+-doped bismuthate (Bi2O3-GeO2-Ga2O3-Na2O) glass were investigated in the present Letter. An intense 2.7 μm emission in Er3+-doped bismuthate glass was observed. It is found that Er3+-doped bismuthate glass possesses high spontaneous transition probability A
Bipin Pandey et al.
Langmuir : the ACS journal of surfaces and colloids, 28(38), 13705-13711 (2012-09-01)
This paper reports the formation of self-organized nanoporous gallium oxide by anodization of solid gallium metal. Because of its low melting point (ca. 30 °C), metallic gallium can be shaped into flexible structures, permitting the fabrication of nanoporous anodic oxide
Baoxiu Zhao et al.
Journal of environmental sciences (China), 24(4), 774-780 (2012-08-17)
Perfluorooctanoic acid (PFOA) is a new-found hazardous persistent organic pollutant, and it is resistant to decomposition by hydroxyl radical (HO*) due to its stable chemical structure and the high electronegativity of fluorine. Photocatalytic reduction of PFOA with beta-Ga2O3 in anoxic
Naoya Kumagai et al.
Chemical communications (Cambridge, England), 47(6), 1884-1886 (2010-12-07)
Using the Rh(3+) ion (Rh d(6)) in a regular octahedral coordination, which forms fully occupied t(2g)(6) and empty e(g)(0) as a result of ligand-field splitting, we demonstrated that Rh-doped ZnGa(2)O(4) had midgap states created by t(2g)(6) and e(g)(0) that had
Rujia Zou et al.
Small (Weinheim an der Bergstrasse, Germany), 7(23), 3377-3384 (2011-10-06)
Nanoelectromechanical system switches are seen as key devices for fast switching in communication networks since they can be switched between transmitting and receiving states with an electrostatic command. Herein, the fabrication of practical, nanoscale electrically/thermally driven switches is reported based
Ming-Lun Lee et al.
Optics express, 19(13), 12658-12663 (2011-07-01)
In this study, gallium nitride (GaN)-based metal-insulator-semiconductor (MIS) ultraviolet (UV) photodetectors (PDs) with a gallium oxide (GaO(x)) gate layer formed by alternating current bias-assisted photoelectrochemical oxidation of n-GaN are presented. By introducing the GaO(x) gate layer to the GaN MIS
Christian A Nijhuis et al.
Journal of the American Chemical Society, 133(39), 15397-15411 (2011-08-17)
This paper describes the performance of junctions based on self-assembled monolayers (SAMs) as the functional element of a half-wave rectifier (a simple circuit that converts, or rectifies, an alternating current (AC) signal to a direct current (DC) signal). Junctions with
Yi-Jen Wu et al.
ACS nano, 4(3), 1393-1398 (2010-02-13)
Light-scattering properties of individual gold-in-Ga(2)O(3) peapod nanowires and gold-in-Ga(2)O(3) core/shell nanowires were investigated by optical dark-field microscopy. The observed scattering peaks are suggested to result from plasmonic resonance of the gold nanopeas and nanorods in the Ga(2)O(3) nanowires. As the
Sr(2)CuGaO(3)S, a Rare Example of Square Pyramidal Gallium.
W. J. Zhu et al.
Inorganic chemistry, 36(17), 3576-3577 (1997-08-13)
Vladimir N Sigaev et al.
Nanoscale, 5(1), 299-306 (2012-11-21)
Nanoparticles in amorphous oxides are a powerful tool for embedding a wide range of functions in optical glasses, which are still the best solutions in several applications in the ever growing field of photonics. However, the control of the nanoparticle
Shicheng Yan et al.
Chemical communications (Cambridge, England), 46(34), 6388-6390 (2010-08-18)
A new approach is proposed to synthesize a mesoporous single crystal Ga(2)O(3) nanoplate by heating a single crystal nanoplate of GaOOH, which involves an ion exchange between KGaO(2) and CH(3)COOH at room temperature for the formation of GaOOH and pseudomorphic
ZnO/p-GaN heterostructure for solar cells and the effect of ZnGa2O4 interlayer on their performance.
Seung Yong Nam et al.
Journal of nanoscience and nanotechnology, 13(1), 448-451 (2013-05-08)
We report the usage of ZnO material as an alternative for n-GaN for realizing III-nitride based solar cell. The fabricated solar cell shows large turn-on voltage of around 8 volts and a rapid decrease of photocurrent at low bias voltage
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