Muanghlua, Rangson
Loading...
Preferred name
Muanghlua, Rangson
Alternative Name
Muanghlua, R.
Muanghlua, Rangsan
Main Affiliation
Email
rangson.mu@kmitl.ac.th
83 results
Now showing 1 - 10 of 83
- Some of the metrics are blocked by yourconsent settings
Item type:Publication, The effects of geometrical capacitance components of LOCOS diode in VLSI(2019-03-01); The effects of geometrical capacitance components of LOCal Oxidation of Silicon (LOCOS) diode in Very Large Scale Integrated circuit (VLSI) are proposed. For the correct circuit model simulation, the model of the device must be accurate and consistence with the SPICE models. The rectangular structure (L=400 μm, W=200 μm), the multi-fringe structure 1 (L=400 μm, W=4 μm, no. strips =50) and the multi-fringe structure 2 (L= S μm, W= Sμm, no. sample =1200) have been designed. These extraction methodologies show the area capacitance component, the peripheral capacitance component and the corner capacitance component at the field oxide side. The BSIM 3v3 junction capacitance models are proposed also. The comparison is made to check the accuracy of the parameter models. The results showed a low level error. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, The diamond crystal nucieation by combustion activation CVD(2008-12-01); ; Sato, K.This paper presents the diamond nucleation using combustion activation chemical vapor deposition (CACVD) by 0.95 volumetric ratio of O <sup>2</sup>/C<sup>2</sup>H<sup>2</sup> under atmospheric pressure. The main point of our work is to develop the CACVD technique for synthesize the semiconductor materials, which is developed for electronic devices application. The surface nucleation of substrate was studied by using surface pretreatment. The results of surface nucieation on mirror-silicon, polished silicon by diamond powder, silicon-dioxide (Sio<inf>2</inf>), and polished Sio<inf>2</inf> by diamond powder, are significantly different. It can be concluded that the silicon-dioxide mask technique is useful for nucleated diamond protection whereas the polished silicon by diamond powder is suitable for nucleated diamond generation. These techniques are applied for the pattern fabrication. © 2008 Trans Tech Publications, Switzerland. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Electrical properties of bismuth potassium titanate-strontium titanate ferroelectric ceramics(2010-07-30); - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Rapid synthesis of potassium sodium niobate (K 1/2Na 1/ 2NbO3) lead-free piezoelectric powder using the combustion method(2013-12-01); ; ; Potassium sodium niobate (K1/<inf>2</inf>Na1/<inf>2</inf>NbO<inf>3</inf>) powder was synthesized successfully by the combustion synthesis. The raw materials of KNO<inf>3</inf>, NaNO<inf>3</inf> and Nb<inf>2</inf>O<inf>5</inf> were used with glycine as fuel. The thermal behaviour of the precursor was determined using thermo gravimetric analysis (TGA) and derivative thermo gravimetric (DTG) analysis. The conditions for preparing perovskite phase formation, influence of the fuel-to-oxidizer molar ratio, and crystal structure were characterized by the X-ray diffraction technique (XRD) and Fourier transform infrared (FTIR) spectroscopy. The morphology and particle size were investigated through a scanning electron microscope (SEM). © 2013 Copyright Taylor and Francis Group, LLC. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Investigation of Oxide and Interface Trapped Charge on Threshold Voltage Shift in Gamma Irradiated NMOSFET by Subthreshold Method(2021-04-01) - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Characterization and properties of BaTi3O3/MgO nanocomposite ceramics(2011-12-19); In this research, BaTiO<inf>3</inf>./xMgO nanocomposite ceramics, where x = 0, 0.3, 0.5, 0.7 and 1.0 vol%, were prepared by a mixedoxide method. The effect of MgO additions on the phase formation, microstructure and dielectric properties of this system was investigated via X-ray diffraction (XRD), scanning electron microscopy (SEM) and dielectric spectroscopy, respectively. From the results, XRD analysis showed that there is no unwanted phase except BaTiO <inf>3</inf> and MgO observed in these ceramics. Abnormal grain growth was found in pure BaTiO<inf>3</inf> ceramic with a 75.32 μm average grain size. After adding MgO nanoparticles into the system, the grain size significantly decreased to 0.55 μm and continuously decreased with increasing MgO content. For the dielectric properties, the pure BT ceramic exhibits a sharp and high dielectric peak whereas a low and broad peak is found in BT/MgO nanocomposite ceramics, which can be explained by the composite structure. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Synthesis, phase formation and characterization of Co4Nb 2O9 powders synthesized by solid-state reaction(2008-12-01); - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Development a novel model of threshold voltage of NMOS with temperature dependence and narrow channel width(2016-09-06); - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Phase transition behaviour and electrical properties of lead-free (K 0.5Na0.5)NbO3-LiNbO3-LiSbO 3 piezoelectric ceramics(2011-05-01); ; The ternary system of 0.945(K<inf>0.5</inf>Na<inf>0.5</inf>NbO <inf>3</inf>)-(0.055 - x)LiNbO<inf>3</inf>-xLiSbO<inf>3</inf> [0.945KNN-(0.055 - x)LN-xLS]; x = 0.0-0.055 lead-free piezoelectric ceramics was fabricated by the conventional mixed oxide method with normal sintering. The crystal structure was studied by means of X-ray diffraction (XRD). The results of XRD patterns show that complete solid solutions of the mixed phase between the orthorhombic and tetragonal perovskite phase were observed. The DSC and dielectric data show that the amount of LiSbO<inf>3</inf> in K<inf>0.5</inf>Na<inf>0.5</inf>NbO <inf>3</inf>-LiNbO<inf>3</inf> solid solution slightly decreases the paraelectric cubic-ferroelectric tetragonal phase transition (T<inf>C</inf>) to a low temperature. Furthermore, good dielectric and piezoelectric properties were observed at composition, x = 0.03. The polymorphic phase transition between the orthorhombic and tetragonal phases plays a very important role in enhancement of the piezoelectric properties of KNN-LN-LS ceramics. © 2010 Elsevier B.V. All rights reserved. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Utilization of eggshell as a low-cost precursor for synthesizing calcium niobate ceramic(2018-07-18); ;