Results 241 to 250 of about 82,759 (298)

One-Pot Synthesis of Oxygen Vacancy-Rich Amorphous/Crystalline Heterophase CaWO₄ Nanoparticles for Enhanced Radiodynamic-Immunotherapy. [PDF]

Adv Sci (Weinh)
Peng S, Chen Z, Wang J, Yu M, Niu X, Cui T, Ao R, Cai H, Huang H, Lin L, Chen X, Yang H.   +11 more
europepmc   +1 more source

3D oxygen vacancy distribution and defect-property relations in an oxide heterostructure. [PDF]

Nat Commun
Hunnestad KA, Das H, Hatzoglou C, Holtz M, Brooks CM, van Helvoort ATJ, Muller DA, Schlom DG, Mundy JA, Meier D.   +9 more
europepmc   +1 more source

Ru Single Atoms Anchored on Oxygen-Vacancy-Rich ZrO_2-x/C for Synergistically Enhanced Hydrogen Oxidation. [PDF]

Adv Sci (Weinh)
Zhang X, Wang C, Cao W, Zhu Q, Cheng C, Zheng J, Zhang H, Guo Y, Huang S, Yu Y, Ge B, Song D, Fan Y, Cheng Z.   +13 more
europepmc   +1 more source

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Oxygen vacancies in lithium tantalate

Physical Review B, 1985
Lithium tantalate crystals turn ``black'' when annealed above approximately 850 \ifmmode^\circ\else\textdegree\fi{}C in an argon atmosphere. The resulting optical absorption spectrum has a distinct peak at 460 nm but also extends through the entire visible and near ultraviolet.
, Kappers, , Sweeney, , Halliburton, , Liaw   +3 more
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Oxygen vacancies in ZnO

Applied Physics Letters, 2005
The electronic properties of ZnO have traditionally been explained by invoking intrinsic defects. In particular, the frequently observed unintentional n-type conductivity has often been attributed to oxygen vacancies. We report first-principles calculations showing that the oxygen vacancy VO is not a shallow donor, but has a deep e(2+∕0) level at ∼1 ...
Anderson Janotti, Chris G. Van de Walle
openaire   +1 more source

Oxygen Vacancy Engineering in Photocatalysis

Solar RRL, 2020
Photocatalysis, which converts natural solar energy into chemical energy, has emerged as one of the most appealing technologies in the past decades. However, photocatalytic performances are limited by the poor absorption of visible light, charge‐carrier recombination during migration, and a high energy barrier for activating reactants. Oxygen vacancies
Yanmei Huang, Yu Yu, Yifu Yu, Bin Zhang
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Oxygen vacancies in SrTiO3

2008 17th IEEE International Symposium on the Applications of Ferroelectrics, 2008
Oxygen vacancy clustering in SrTiO3-? thin films has been investigated by electrical transport and photoemission spectroscopy. We deposited SrTiO3-? thin films on LaAlO3(001) substrate at reducing oxygen ambients. The carrier density did not increase with decreasing the ambient oxygen pressure.
null Euiyoung Choi, null Joho Kim, Doduc Cuong, null Jaichan Lee   +3 more
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Oxygen vacancies in ZnO

Physica B: Condensed Matter, 2003
Abstract We present our investigations on the absorption and emission properties of the neutral oxygen vacancy in ZnO. Temperature-dependent photoluminescence (PL) experiments allow to determine the zero-phonon-energy of the emission and its phonon-coupling parameters.
F. Leiter, H. Alves, D. Pfisterer, N.G. Romanov, D.M. Hofmann, B.K. Meyer   +5 more
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Vacancy–oxygen complex in Ge crystals

Physica B: Condensed Matter, 2003
Vacancy-oxygen (VO) complexes in Ge crystals have been studied by means of high-resolution infrared absorption and deep-level transient spectroscopy (Laplace DLTS) measurements. It is argued that the VO center in Ge has three charge states: double negative (VO--), single negative (VO -) and neutral (VO0) with the corresponding energy levels at E( - /-)
Markevich, V. P., Litvinov, V. V., Dobaczewski, L., Lindström, J. L., Murin, L. I., Vetrov, S. V., Hawkins, I. D., Peaker, A. R.   +7 more
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