Academic literature on the topic 'Mg-Dopant'

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Journal articles on the topic "Mg-Dopant"

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Yamashita, Yoshiyuki, Jingmin Tang, Yusuke Hashimote, and Tomohiro Matsushita. "Atomic Structures and Chemical states of active and inactive dopants in GaN." ECS Transactions 112, no. 2 (2023): 67–75. http://dx.doi.org/10.1149/11202.0067ecst.

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We investigated atomic structures and chemical states of active and inactive dopant sites for Mg- and Si- doped in GaN using photoelectron holography and X-ray absorption near edge structure. In the case of Mg-doped GaN, we found that a Mg atom substituting a Ga atom (MgGa) is an active dopant site in GaN whereas MgGa with two H atoms is an inactive dopant site in GaN. We found that a Si atom substituting a Ga atom is an active dopant site in Si-doped GaN whereas Si3N4 is an inactive dopant site in GaN.
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Siladie, Alexandra-Madalina, Lynda Amichi, Nicolas Mollard, et al. "Dopant radial inhomogeneity in Mg-doped GaN nanowires." Nanotechnology 29, no. 25 (2018): 255706. http://dx.doi.org/10.1088/1361-6528/aabbd6.

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Huang, Xiaopeng, Feng Liang, Yuanchao Du, Keyu Zhang, Yaochun Yao, and Yongnian Dai. "Optimization of the Process Parameters for the Synthesis of LiFe1−x−yMgxTiyPO4/C Cathode Material Using Response Surface Methodology." Nano 11, no. 11 (2016): 1650122. http://dx.doi.org/10.1142/s1793292016501228.

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A systematic approach was used to develop the empirical model for optimizing the preparation process parameters for the synthesis of LiFe[Formula: see text]MgxTiyPO4/C composite cathode material. For optimizing the production parameters, response surface methodology (RSM) was applied to develop a linear regression model and maximize the discharge capacity. Analysis of the variance (ANOVA) showed that the three variables (Mg-dopant, Ti-dopant and sintering temperature) and the interactions among them were significant factors. Response surfaces formed by RSM illustrated that the doping of Mg and
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Schmidt, Th, M. Siebert, J. I. Flege, et al. "Mg and Si dopant incorporation and segregation in GaN." physica status solidi (b) 248, no. 8 (2011): 1810–21. http://dx.doi.org/10.1002/pssb.201046531.

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Winda Rahmalia, Intan Syahbanu, Nurlina, Ayu Widya Sari, and Septiani. "Synthesis of Mg-doped TiO2 Using a Hydrothermal Method as Photoanode on Bixin-Sensitized Solar Cell." Jurnal Riset Kimia 14, no. 2 (2023): 198–208. http://dx.doi.org/10.25077/jrk.v14i2.622.

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Titanium dioxide (TiO2) with magnesium (Mg) doping for dye-sensitized solar cell (DSSC) photoanode application has been synthesized. DSSC components used in this study were photosensitizer (bixin), electrolyte (), cathode (platinum), and photoanode (Mg-TiO2). This research aims to determine the characteristics of Mg-doped TiO2 photoanode with variations in dopant concentration based on the results of XRD and DR/UV-Vis analysis, as well as to determine the maximum efficiency conversion energy of DSSC using Mg-doped TiO2 and undoped TiO2 as photoanodes. The synthesis of TiO2 and Mg-TiO2 was carr
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Kushwaha, Amanendra K., Manoranjan Misra, and Pradeep L. Menezes. "Effect of Magnesium Dopant on the Grain Boundary Stability of Nanocrystalline Aluminum Powders during Cryomilling." Crystals 13, no. 3 (2023): 541. http://dx.doi.org/10.3390/cryst13030541.

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In this investigation, pure aluminum (Al) powders were cryomilled with and without magnesium dopants to study (a) the effect of cryomilling time on the crystallite size and (b) the effect of magnesium dopant on Al to achieve grain boundary stability. The cryomilling process was carried out using liquid nitrogen for different durations. The characterization of the cryomilled powders was carried out using scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD) to understand the particle morphology, crystallite size, and elemental composition. The r
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Ahmed, Duha S., Noor Q. Ali, and Ali A. Taha. "The Variation Effect of Mg-doped NPs Prepared by Sol-Gel Method on its Structural Properties and Biological Activities." Journal of Physics: Conference Series 2114, no. 1 (2021): 012004. http://dx.doi.org/10.1088/1742-6596/2114/1/012004.

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Abstract In this paper, we reported the synthesis of NiO NPs and Mg doped-NiO NPs using the facile sol-gel method. Besides, the influence of the variation of Mg dopant on the structural, morphological and optical properties of the prepared Mg-NiO NPs was studied. The synthesized Mg-NiO NPs nanoparticles were characterized by X-Ray Diffraction Analysis (XRD), Energy Dispersive X-ray Spectroscopy (EDS), Fourier-Transform Infrared Spectroscopy (FTIR), Field-Emission Scanning Electron Microscopy (FE-SEM), and UV-Vis spectrophotometer. The X-ray diffraction confirmed the formation of the cubic stru
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Thonglem, Sutatip, Somnuk Sirisoonthorn, Kamonpan Pengpat, et al. "Properties of Mg Doped ZnO Films Prepared by Ultrasonic Spray Pyrolysis." Applied Mechanics and Materials 804 (October 2015): 88–92. http://dx.doi.org/10.4028/www.scientific.net/amm.804.88.

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This work is focused on the preparation of Mg doped ZnO films by ultrasonic spray pyrolysis and investigated the physical, optical and electrical properties of the films. These films were prepared from 0.02 M of Zn (CH3OO)2.2H2O and MgCl2 was used for doping. The atomic percentage ratio of Mg/Zn was varied from 0 to 9 at.%. The crystalline phase of all films was identified as ZnO polycrystalline structure with preferred orientation along the (002) plane. While, the grain shape of ZnO film was irregular shape, this shape changed to spherical shape with doped Mg concentration and changed again t
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İskenderoğlu, Demet, and Harun Güney. "Effect of Mg dopant on SnO2 thin films grown by spray pyrolysis technique." Modern Physics Letters B 33, no. 04 (2019): 1950030. http://dx.doi.org/10.1142/s0217984919500301.

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The undoped and magnesium (Mg)-doped Tin (IV) oxide (SnO2) thin films were grown on glass substrate by spray pyrolysis technique. In order to observe the effect on the optical, structural, morphological, and hydrogen (H2) gas answer properties of SnO2 by Mg doping, X-ray diffractometer (XRD), ultraviolet–visible (UV) spectrometer, scanning electron microscope (SEM) and hydrogen (H2) gas, measurements were taken. The absorption measurements of undoped and Mg-doped SnO2 thin films demonstrated that band gaps varied with the changing Mg dopant ratio and this variation may be from Burstein–Moss (B
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Li, Jinchai, and Junyong Kang. "Band engineering in Al0.5Ga0.5N∕GaN superlattice by modulating Mg dopant." Applied Physics Letters 91, no. 15 (2007): 152106. http://dx.doi.org/10.1063/1.2798589.

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Dissertations / Theses on the topic "Mg-Dopant"

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Mballo, Adama. "Détecteurs de neutrons à base de nitrure de bore et ses alliages." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0236.

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Les détecteurs de neutrons jouent un rôle crucial dans plusieurs domaines telles que la sécurité (aéroports, frontières) pour contrôler les activités illicites des matériaux nucléaires, les centrales nucléaires pour la sécurité et la surveillance des rayonnements neutroniques, la physique des hautes énergies et la science nucléaire. En outre, des événements récents tels que l'explosion de Fukushima et l'empoisonnement au polonium ont stimulé l'intérêt pour le développement de petits détecteurs de neutrons à base semi-conducteurs (DNS), portables et peu coûteux. Pour atteindre une efficacité él
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Book chapters on the topic "Mg-Dopant"

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C.A. Silva, Anielle, Eliete A. Alvin, Francisco R.A. dos Santos, et al. "Doped Semiconductor Nanocrystals: Development and Applications." In Nanocrystals [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96753.

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This chapter aims to show significant progress that our group has been developing and the applications of several doped semiconductor nanocrystals (NCs), as nanopowders or embedded in glass systems. Depending on the type of dopant incorporated in the nanocrystals, the physical, chemical, and biological properties can be intensified. However, it can also generate undesired toxic effects that can potentially compromise its use. Here we present the potential of zinc oxide NCs doped with silver (Ag), gold (Au), and magnesium (Mg) ions to control bacterial diseases in agriculture. We have also perf
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Ganas, George, George Karagiannakis, Aitor Eguia-Barrio, Miguel Bengoechea, Iratxe de Meatza, and Georgia Kastrinaki. "Aerosol Spray Pyrolysis Synthesis of Doped LiNi0.5Mn1.5O4 Cathode Materials for Next Generation Lithium-Ion Batteries." In Recent Perspectives in Pyrolysis Research. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.100406.

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The autonomy of next generation Electric Vehicles relies on the development of high energy density automotive batteries. LiMn1.5Ni0.5O4 (spinel structure) is a promising active cathode material in terms of charge rate capability, theoretical capacity, cost and sustainability being a cobalt-free material. In the current study pristine and doped (Fe, Al, Mg) LiMn1.5Ni0.5O4 particles were synthesized by an Aerosol Spray Pyrolysis pilot scale unit in a production rate of 100 gr. h−1 and were evaluated for their electrochemical activity in Half Coin Cell form. The doped particles were characterized
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Conference papers on the topic "Mg-Dopant"

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Fouchier, Marc, Christian Monachon, and Matthew Davies. "GaN Epitaxial Defects Characterization Using Cathodoluminescence Spectroscopy." In ISTFA 2023. ASM International, 2023. http://dx.doi.org/10.31399/asm.cp.istfa2023p0463.

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Abstract This work reviews the capabilities of cathodoluminescence spectroscopy to monitor several key performance indicators in GaN-based High Electron Mobility Transistors (HEMTs) manufacturing. In particular, high throughput threading dislocation (TD) density measurements in the 108-109 cm-2 range are presented, together with dislocation type discrimination capabilities. Beyond these applications, other relevant topics such as buried AlGaN layers composition and Mg dopant concentration for normally off devices are introduced.
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Yamoah, Nana Kwame, Timothy Moses, and Dhananjay Kumar. "Corrosion Behavior of Tricalcium Phosphate Doped With Different Compositions of Silver." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51748.

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In this study, magnesium (Mg) disks were coated with β-tricalcium phosphate (β-TCP) doped with different mass percent of silver (Ag) (0 wt%, 1 wt%, 5 wt% and 10 wt%) in an effort to modulate the detrimental osteoimmunomodulatory properties and colonization of bacteria on Mg disk, due to the reported favorable osteoimmunomodulatory properties of β-TCP and antibacterial properties of Ag. This paper describes the growth, characterization and corrosion analyses of β-TCP doped with different compositions of Ag thin film coatings. The phase composition and microstructure analyses were performed usin
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Ritonga, Wahyu Azhar, Timbangen Sembiring, Muhammad Zaini Afdlan, et al. "Effect of dopant on superconductor Bi1.6Pb0.4Sr2Ca2-x MxCu3Oy (M = Ce, Na, Mg) phase 2223 by solid method." In THE 1ST INTERNATIONAL CONFERENCE ON PHYSICS AND APPLIED PHYSICS (THE 1ST ICP&AP) 2019: Fundamental and Innovative Research for Improving Competitive Dignified Nation and Industrial Revolution 4.0. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0003934.

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Aleksandrovski, A. L., and I. I. Naumova. "Bulk crystals of ferroelectric niobates with periodic domain pattern." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/cleo_europe.1994.cwf49.

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Ferroelectrics with periodically arranged antiparallel domains are very attractive for applications in nonlinear optics,1 the major difficulty being the fabrication of perfect periodic structures. To produce bulk crystals we used Czochralski growth of lithium niobate crystals doped with Y, Dy, and with Mg as a second dopant, and barium-sodium niobate. Both crystals were grown along the ferroelectric z-axis, and lithium niobate along [ 01 1 ¯ 2 ] -direction as well (at 57° to z-axis in YZ-plane).
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Fen, Tang Xiao, Ari Legowo, Ali Shaitir, and Agus Geter Edy Sutjipto. "Study on the Effect of Mg Dopant on the Properties of ZnO Thin Film Prepared by Sol Gel." In 2019 Advances in Science and Engineering Technology International Conferences (ASET). IEEE, 2019. http://dx.doi.org/10.1109/icaset.2019.8714394.

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Malek, M. F., M. Alfah, Z. Khusaimi, et al. "Effect of Mg Dopant Percentage on the Photoluminescence Property of Nano-Structured ZnO Thin Films Deposited on Si Substrate." In NANOSCIENCE AND NANOTECHNOLOGY: International Conference on Nanoscience and Nanotechnology—2008. AIP, 2009. http://dx.doi.org/10.1063/1.3160218.

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Choi, Ju H., Frank G. Shi, Alfred A. Margaryan, Ashot Margaryan, and T. G. Nieh. "Dopant and concentration dependence of linear and nonlinear refractive index and dispersion for new (Mg, Ba)F 2 based fluorophosphates glass." In High-Power Lasers and Applications, edited by Yehoshua Y. Kalisky. SPIE, 2003. http://dx.doi.org/10.1117/12.479168.

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