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Charge Transport Studies of Proton and Ion Conducting Materials
charge transport impedance spectroscopy ionic conductor PEM PFG-NMR proton conductor
2014/11/20
The development of a high-throughput impedance spectroscopy instrumentation platform for conductivity characterization of ion transport materials is outlined. Collaborative studies using this system a...
Electronic Structure Studies of Detwinned BaFe$_2$As$_2$ by Photoemission
Electronic Structure Studies Photoemission
2010/11/18
We performed angle resolved photoelectron spectroscopy (ARPES) studies on mechanically de-
twinned BaFe2As2. We observe clear band dispersions and the shapes and characters of the Fermi
surfaces are...
Preliminary simulation studies on a cylindrical PEM scanner using GATE
simulation GATE cylindrical PEM evaluation
2009/12/24
In this paper, we investigate the performance of a cylindrical positron emission mammography (PEM) by simulation, in order to estimate its feasibility before implementation. A well-developed simulatio...
Studies on high order mode of bell-shaped prototype cavities
perturbation method higher order modes LabVIEW superconducting RF
2009/8/14
Aluminium and copper prototype cavities were designed to study higher order modes (HOM). An automatic field mapping system was developed with LabVIEW to measure the radiofrequency (RF) characteristics...
Stability Effect In Photoconducting Studies of Some Chemically Deposited CdS, (Cd-Pb)S and (Cd-Zn)S Films
Photoconductivity chemical deposition and stability effect
2010/4/9
Stability effects in photoconductivity (PC) rise and decay have been studied over a period of 2 years in thin films of (Cd-Pb)S:LiF, La/Pr and (Cd-Zn)S: LiF,La/Pr and have been found quite stable; how...
MIT chemist studies how electrons behave（图）
electrons behave solar cells lighting quantum physics
2006/11/27
November 17, 2006，Troy Van Voorhis likes to watch how things work. This natural curiosity led to his current research on the behavior of electrons and how they function in various molecular systems, i...
Structural, Electrical and Infrared Studies of Ni0.7Cd0.3SmxFe2-xO4 Ferrite
Orthoferrites Spectral studies DC conductivity Electrical mobility
2010/4/9
A series of samples of the system Ni0.7Cd0.3SmxFe2-xO4 (x = 0, 0.01, 0.02, 0.03, 0.04, 0.05 and 0.06) were prepared by the usual ceramic technique. X-ray diffraction, infrared spectroscopy (IR) and el...
Studies of Electrical Properties of Polyaniline Irradiated by X-rays
Electrical Properties Polyaniline X-rays
2010/10/15
Recent development and studies of physical and chemical properties of the conducting polymers have been calling the interest of many scientists. Among this group of materials, the polyaniline (PANI) d...
Structural, Electrical and Spectral Studies on Double Rare-Earth Orthoferrites La1-xNdxFeO3
Orthoferrite X-ray Electrical properties IR
2010/4/12
Samples of double rare-earth ferrite La1-xNdxFeO3 are synthesized by a high-temperature double sintering ceramic technique. X-ray diffraction shows that all compounds have an orthorhombic structure. T...
Studies on the Opto-Electronic Constants of Alkali-Halide Crystals
Refractive index energy gap electronegativity electronic polarizability alkali-halides
2010/4/12
In this presentation, the correlation between refractive index n of alkali-halide crystals and both energy band gap Eg and Pauling's electronegativity difference D x have been studied. The following r...