搜索结果: 1-15 共查到“理学 doped”相关记录95条 . 查询时间(0.25 秒)
High-Temperature Superconductivity in B-doped Q-Carbon（图）
High-Temperature Superconductivity B-doped Q-Carbon
2017/9/1
Following a brief report on high-temperature superconductivity in B-doped Q-carbon, we present detailed structure-property correlations to understand the origin of superconductivity in strongly bonded...
Chirality control by electric field in periodically poled MgO-doped lithium niobate
Chirality control electric field periodically poled MgO-doped lithium niobate Optics
2012/4/19
We study the chirality of periodically poled MgO-doped lithium niobate (MgO:PPLN) by electro-optic (EO) effect. It shows that optical propagation is reciprocal in MgO:PPLN when quasi-phase-matching (Q...
Degradation of Gesaprim Herbicide by Heterogeneous Photocatalysis Using Fe-Doped TiO2
Atrazine Iron Doped TiO2 Solar Irradiation Visible Light Irradiation
2013/3/7
Fe-doped TiO2 was prepared by the sol gel method and characterized by X-ray diffraction. All the Fe-doped TiO2 were composed of an anatase crystal form. The activity of the Fe-doped TiO2 for the degra...
First Principles Study of the Electronic and Magnetic Properties of Ce Doped SrMnO3
Colossal magnetoresistance Electronic structure First principles Perovskite
2012/4/5
The electronic and magnetic properties of Ce doped SrMnO3 have been investigated us-ing the pseudo-potential plane wave method within the generalized gradient approximation method by first principles....
Interstitial BiO molecule as a center of broadband IR luminescence in bismuth-doped silica glass
Interstitial BiO molecule broadband IR luminescence bismuth-doped silica glass
2011/8/18
Abstract: IR luminescence and absorption in bismuth-doped silica glass-core fibers observed recently (see [arXiv:1106.2969v1 [physics.optics]) are argued to be caused by transitions in interstitial Bi...
Photoelectrochemical and photocatalytic properties of N + S co-doped TiO2 nanotube array films under visible light irradiation
Nanostructures Oxide Thin films Electrochemical properties
2011/8/18
Abstract: In this paper, we report on the co-doping nitrogen and sulfur has been achieved in the TiO2 nanotube array films by treatment with thiourea and calcination under vacuum at 500 {\deg}C for 3 ...
Preparation and Characterization of N Doped TiO2/ Sepiolite Composite Materials
Modification Photocatalytic Speiolite Titanium Dioxide
2011/11/22
Nitrogen doped TiO2/sepiolite composite materials (N-TiO2/sep) with different nitrogen contents were prepared by a sol-gel method and characterized by X-ray diffraction (XRD), scanning electron micros...
Study on the Use of Rhodamine Doped Nanocomposite for Latent Fingerprint Detection
Detection Fingerprint Nanocomposite Rhodamine B
2011/12/20
Silicon dioxide-based nanocomposites offer large loading capacity for various doping chemicals or molecular complexes, high surface to volume ratio and customizable surface chemistry for the creation ...
Testing the diffusion hypothesis as a mechanism of self-healing in Disperse orange 11 doped in PMMA
hypothesis self-healing
2011/9/1
In this work, we show that reversible photodegradation of Disperse Orange 11 doped in PMMA is not due to dye diffusion – a common phenomenon observed in many dye-doped polymers. The change in linear a...
Zn-Doped Palygorskite Loaded TiO2 for Visible-Light Active Catalysts
Catalyst Palygorskite TiO2 Visible Light
2011/11/14
Zn-doped palygorskite loaded TiO2 for visible-light active catalysts were prepared by the method of liquid ion exchange and precipitation. XRD and SEM measurments show that the titanium dioxide was lo...
Carrier heating and high-order harmonics generation in doped graphene by a strong ac electric field
Carrier heating high-order harmonics generation strong ac electric field
2010/11/25
The nonlinear response of electrons (holes) in doped graphene on ac pumping is concidered the-
oretically for the frequency region above the energy relaxation rate but below the momentum and
carrier...
Anisotropic ultrafast electron dynamics induced by high-field terahertz pulses in n-doped InGaAs
Anisotropic ultrafast electron dynamics high-field terahertz pulses
2010/11/23
The anisotropic effective mass of electrons is directly measured using time-resolved THz-
pump/THz-probe techniques in a n-doped InGaAs semiconductor thin film. A microscopic theory
is used to attri...
A Microscopic View on the Mott transition in Chromium-doped V2O3
Microscopic View Mott transition Chromium-doped V2O3
2010/11/17
V2O3 is the prototype system for the Mott transition, one of the most fundamental phenom-
ena of electronic correlation. Temperature, dop-ing or pressure induce a metal to insulator transi-tion (MIT)...
High temperature thermoelectric response of double-doped SrTiO$_3$ epitaxial films
High temperature thermoelectric response double-doped SrTiO$_3$ epitaxial films
2010/11/19
SrTiO3 is a promising n-type oxide semiconductor for thermoelectric energy conversion. Epitaxial thin lms of SrTiO3 doped with both La and oxygen vacancies have been synthesized by pulsed laser depos...
Progress towards fabrication of Th:229-doped high energy band-gap crystals for use as a solid-state optical frequency reference
Th:229-doped high energy band-gap crystals solid-state optical frequency
2010/11/12
We have recently described a novel method for the construction of a solid-state optical frequency reference based on doping $^{229}$Th into high energy band-gap crystals. Since nuclear transitions ar...