Materials Literature
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The paper describes a novel technique for on line parameter identification of three-phase induction motors from a single, run up to speed test. Data is sampled during this test with the normal locked rotor and synchronous speed data captured on the way to reaching the motor's rated speed. Rotor parameter variations wi…
Abstract The properties such as cell gap, pretilt angle and rubbing direction in the multi domain PS(polymer stabilized)‐VA cell were measured by a optical method. It has been impossible to measure the pretilt angle in sub micrometer area because liquid crystals in each area of the 4‐domain PS‐VA cell have different p…
The physical properties and microstructures of supporting anodes are crucial for the performances of the entire SOFCs. In this investigation, the rape pollen was developed as a novel pore-former to improve the properties of the conventional NiO–YSZ(yttria-stabilized zirconia) anode substrate of solid oxide fuel cell.…
Ⓒ‐ ‐ (AMOLEDs). Nevertheless, the development of much more efficient PHOLEDs is still being required due to the energy saving. In this talk, we present four main elements that directly affect the performance of red, green, and blue PHOLEDs: excitons confinement, charges trapping, dopant concentration and dopant molecu…
Near-stoichiometric and stoichiometric Cu(InAl)Se2 (CIAS) thin films have been prepared by successive ionic layer adsorption and reaction (SILAR) onto well-cleaned substrates. energy dispersive X-ray analysis (EDAX) spectra of the prepared thin films enabled to determine the film composition, stoichiometry nature, typ…
Equations for reconstructing 3D images of internal flaws are presented. Waveforms were measured from a simple reference sample to derive the response function of the probe, and the response function was calculated based on those waveforms. A sample with internal flaws was prepared to evaluate the reconstructed images…
CuInS 2 thin films were prepared on soda lime glasses by using the aerosol jet deposition (AJD) method. The effects of the [Cu]/[In] ratio and the annealing process on the properties of the CuInS 2 thin films were studied. The X-ray diffraction (XRD) analysis showed that well-crystallized films were deposited at a [Cu…
PURPOSE: To evaluate the use of commercially available detector-grade synthetic diamond films made via chemical vapor deposition (CVD) as x- ray detectors for radiotherapy dosimetry. METHODS: A detector was fabricated using high-quality single crystal CVD diamond films (0.5 × 3 × 3 mm̂3) with 0.4 mm̂3 sensitive volume…
연료전지 시스템에서 잔류 수분의 제거과정은 연료전지의 성능 및 수명 관리를 위해 중요한 과정이다. 효과적인 수분 제거과정의 설계를 위해서는 연료전지내의 수분 제거 특성에 대한 이해가 필수적이다. 이를 위해 본 연구에서는 연료전지의 다공성막인 가스확산층을 통한 수분증발량을 정상상태에서 측정하는 실험 기법을 개발하였다. 이 기법을 이용하여 연료전지의 잔류수분 제거 현상을 모사하는 실험장치를 개발하였다. 그리고 건조가스와 가스확산층의 변수가 수분에 미치는 영향을 실험적으로 측정하였다. 건조가스의 습도가 낮고, 유량이 높을수록 가스확산층을 통해 증발되는 수분량이 높았다.…
Thin metallic nanowires and stripes are highly promising candidates for plasmonic waveguides in photonic and electronic devices. We observed light from one end of a gold stripe, following excitation of plasmons at the other end of the stripe, with almost no light emitted along the direction of the stripe, and compared…
(Ag,Cu)(In,Ga)Se2(ACIGS) thin films were deposited using a hybrid process combining reactive dc sputtering (Cu, In, Ga) and thermal evaporation (Se) and then processed for complete PV devices. Efficiencies as high as 12.6% (without MgF2AR coating) were obtained. Performance of these devices were analyzed and compared…
Purpose: In contrast to commercial dose (MU) second check software using data from treatment planning system, we developed the software which can directly access commercial record and verify, Mosaiq system - to perform the MU and data integrity checks. Methods: Microsoft ActiveX Data Objects (ADO) and ActiveX Data Obj…
Purpose: To evaluate impact on surface dose, Depth of dose maximum (dmax) and depth dose distribution due to physical wedge filters for different wedge angle were studied for 6MV flattened (6MV FB) and 7MV unflattened (7MV UFB) photon beams. Methods: The flattening filter and primary collimator are the major sources o…
In recent years, with the development of the stealthy and anti-stealthy system, the electromagnetic pollution increasing, microwave absorbing materials with thermal resistance and wide absorption band have been the one of the hotpots in functional materials. Silicon Carbon as a semiconductor material having unique mec…
Nano-TiO2 is a high efficient and no poisonous light induced catalyst. It is important how to immobilize it on some supporter for its application. In this paper, The Nylon-6 (PA-6) nanofibres bearing TiO2 nano-particles were prepared via gas-jet/electrospinning technique. The resulted materials were characterized by X…
Flash lamp annealing (FLA) is a short-time annealing technique which can heat and crystallize μm-order-thick amorphous silicon (a-Si) films without inducing serious thermal damage onto whole glass substrates thanks to its proper fluence on the order of several tens of J/cm2and millisecond-order duration. The FLA of a-…
Purpose: This study aims at integration of carbon nanotube-based field emission and micropallet array technologies to investigate the effects of microbeam radiation therapy (MRT) irradiation on the DNA damage and repair mechanisms of tumor cells in cancer radiation therapy. Methods: A carbon nanotube-based field emiss…
Ferromagnetic base composite materials were applied widely in aircraft and space vehicles engineering. Aimed to an advanced ferromagnetic base composite material, a series of experiments for thermal physical properties of this material were conducted, and the corresponding performance curves were obtained through stat…
This paper presents a new application of (Ba, Sr)TiO3(BST) and Pb(Zr, Ti)O3 (PZT) thin films in anti-fuse and their resulting anti-fuse behaviors. Compared with amorphous silicon, BST and PZT anti-fuses demonstrate distinct advantages: lower on-state resistance and lower breakdown electric field. With the sandwich-lik…
Two-photon three-dimensional optical data storage is an important method to realize high density storage and ultra-high density storage. This paper introduces the the basic principle of two-photon photobleaching optical storage, describes two-photon three-dimensional optical storage system and the absorption and fluor…