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Journal articles on the topic 'Magnetron gun'

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Published: 30 May 2022
Last updated: 31 May 2022

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1

Lawson, W. "Magnetron injection gun scaling." IEEE Transactions on Plasma Science 16, no. 2 (April 1988): 290–95. http://dx.doi.org/10.1109/27.3827.

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2

Prudkovskii, G. P. "A Radial Magnetron Gun." Instruments and Experimental Techniques 47, no. 1 (January 2004): 129–32. http://dx.doi.org/10.1023/b:inet.0000017266.21891.8e.

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3

Liu Chong, 刘冲, 赵青 Zhao Qing, 胡以怀 Hu Yihuai, 马春光 Ma Chunguang, 林叶春 Lin Yechun, 王海燕 Wang Haiyan, 李精明 Li Jingming, and 武起立 Wu Qili. "Double-beam magnetron injection gun." High Power Laser and Particle Beams 26, no. 8 (2014): 83005. http://dx.doi.org/10.3788/hplpb20142608.83005.

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4

Ling, S. H., and H. K. Wong. "High pressure magnetron sputter gun." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 10, no. 3 (May 1992): 573–75. http://dx.doi.org/10.1116/1.578190.

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5

Wang, Ch, Y. S. Yeh, T. T. Yang, H. Y. Chen, S. H. Chen, Y. C. Tsai, L. R. Barnett, and K. R. Chu. "A mechanically tunable magnetron injection gun." Review of Scientific Instruments 68, no. 8 (August 1997): 3031–35. http://dx.doi.org/10.1063/1.1148237.

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6

Zhang, Liang, Laurence J. R. Nix, and Adrian W. Cross. "Magnetron Injection Gun for High-Power Gyroklystron." IEEE Transactions on Electron Devices 67, no. 11 (November 2020): 5151–57. http://dx.doi.org/10.1109/ted.2020.3025747.

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7

Mulligan, Christopher P., Stephen B. Smith, and Gregory N. Vigilante. "Characterization and Comparison of Magnetron Sputtered and Electroplated Gun Bore Coatings." Journal of Pressure Vessel Technology 128, no. 2 (December 21, 2005): 240–45. http://dx.doi.org/10.1115/1.2172963.

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The demands to increase range, rate of fire, and muzzle velocity have resulted in increased wear and erosion problems in gun tubes. To increase the service life of gun tubes, a number of bore-coating systems are being considered for replacement of the current electroplated high-contractile chromium coating. Two such coating systems are cylindrical magnetron sputtered (CMS) Cr coatings and CMS Ta∕Cr bilayer coatings. Cylindrical magnetron sputtering is a high-rate vacuum deposition process that has been applied to 120mm tubes. Characterization studies of the electroplated and CMS coatings were completed to determine the applicability of these coating/substrate systems for gun bore protection. Each coating system is subjected to a series of tests, including adhesion, microhardness, compositional analysis, and vented erosion-simulation testing (VES). VES testing is completed via a laboratory combustion chamber that reproduces the transient thermal and chemical environments of tank cannon firing on small chord sections of 120mm coated gun tubes. In addition to the aforementioned characterization tests, metallography, scanning electron microscopy, and energy dispersive spectroscopy are conducted on each specimen before and after VES testing to evaluate the thermal stability of the coating and the severity of the thermal damage imposed. The mechanisms of damage are investigated, including void formation and micropit growth, oxidation and erosion, and thermomechanical cracking. In addition, methods to further increase resistance to thermal damage are discussed to increase the service life of future gun tube systems.
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8

Dong, Kun, Yong Luo, Wei Jiang, Hao Fu, and Shafei Wang. "Magnetron Injection Gun Design for Multifrequency Band Operations." IEEE Transactions on Electron Devices 63, no. 9 (September 2016): 3719–24. http://dx.doi.org/10.1109/ted.2016.2586522.

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9

MARK BAIRD, J., and WES LAWSON. "Magnetron injection gun (MIG) design for gyrotron applications." International Journal of Electronics 61, no. 6 (December 1986): 953–67. http://dx.doi.org/10.1080/00207218608920932.

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10

Bratman, V. L., A. E. Fedotov, Yu K. Kalynov, and V. N. Manuilov. "Prospective THz Gyrotrons for High-Field Magneto-Resonance Spectroscopy." EPJ Web of Conferences 195 (2018): 01003. http://dx.doi.org/10.1051/epjconf/201819501003.

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A high-harmonic Large Orbit Gyrotron and a low-voltage gyrotrino placed inside a spectrometer cryomagnet enable greatly simplify terahertz systems for magneto-resonance spectrometers. Large Orbit Gyrotrons provide a powerful third-harmonic generation at frequencies of 1 THz and 0.394 THz in pulsed and CW regimes, respectively, at significantly lower magnetic fields than conventional gyrotrons. According to simulations the gyrotrino with the voltage of 1.5 kV and frequency of 0.264 THz can generate a power of tens of watts; a possibility to operate at such a low voltage is demonstrated in the existing gyrotron with three-electrode magnetron-injection gun.
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11

Yang Yi, 杨轶, 牛新建 Niu Xinjian, and 刘迎辉 Liu Yinghui. "Analysis and design of double-anode magnetron injection gun." High Power Laser and Particle Beams 25, no. 6 (2013): 1383–86. http://dx.doi.org/10.3788/hplpb20132506.1383.

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12

Vilkov, M. V., M. Yu Glyavin, A. L. Goldenberg, and M. I. Petelin. "A magnetron injection gun with extraction of reflected electrons." Technical Physics Letters 38, no. 7 (July 2012): 680–82. http://dx.doi.org/10.1134/s1063785012070255.

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13

Guss, W. C., M. A. Basten, K. E. Kreischer, and R. J. Temkin. "Velocity spread measurements on a magnetron injection gun beam." Journal of Applied Physics 76, no. 6 (September 15, 1994): 3237–43. http://dx.doi.org/10.1063/1.357466.

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14

Yuan, C. P., T. H. Chang, N. C. Chen, and Y. S. Yeh. "Magnetron injection gun for a broadband gyrotron backward-wave oscillator." Physics of Plasmas 16, no. 7 (July 2009): 073109. http://dx.doi.org/10.1063/1.3187903.

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15

Kajiwara, Ken, Yasuhisa Oda, Atsushi Kasugai, Koji Takahashi, and Keishi Sakamoto. "Development of Dual-Frequency Gyrotron with Triode Magnetron Injection Gun." Applied Physics Express 4, no. 12 (November 15, 2011): 126001. http://dx.doi.org/10.1143/apex.4.126001.

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16

Arti, Nitin Kumar, Udaybir Singh, Vishant Gahlaut, and Anirban Bera. "Inverse Magnetron Injection Gun for Megawatt Power, Sub-THz Gyrotron." IEEE Transactions on Plasma Science 47, no. 2 (February 2019): 1262–68. http://dx.doi.org/10.1109/tps.2019.2890876.

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17

Liu, Yinghui, Jianwei Liu, Chao Tang, and Hui Wang. "Thermal analysis of magnetron injection gun for 170 GHz gyrotron." Microwave and Optical Technology Letters 62, no. 8 (April 18, 2020): 2774–81. http://dx.doi.org/10.1002/mop.32397.

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18

Xia Mengzhong, 夏蒙重, 鄢扬 Yan Yang, 刘大刚 Liu Dagang, 刘腊群 Liu Laqun, and 王辉辉 Wang Huihui. "3D numerical simulation of 35 GHz double anode magnetron injection gun." High Power Laser and Particle Beams 26, no. 1 (2014): 13001. http://dx.doi.org/10.3788/hplpb20142601.13001.

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19

Barnett, L. R., N. C. Luhmann, C. C. Chiu, and K. R. Chu. "Relativistic performance analysis of a high current density magnetron injection gun." Physics of Plasmas 16, no. 9 (September 2009): 093111. http://dx.doi.org/10.1063/1.3227649.

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20

LAWSON, W., J. CALAME, V. L. GRANATSTEIN, G. S. PARK, C. D. STRIFFLER, and J. NEILSON. "The design of a high peak power relativistic magnetron injection gun." International Journal of Electronics 61, no. 6 (December 1986): 969–84. http://dx.doi.org/10.1080/00207218608920933.

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21

Wu, X. H., J. Y. Li, B. Hu, and T. M. Li. "Generation of large-orbit electron beam using magnetron type injection gun." Journal of Electromagnetic Waves and Applications 26, no. 14-15 (September 13, 2012): 2070–79. http://dx.doi.org/10.1080/09205071.2012.724774.

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22

Kiziridi, P. P., A. B. Markov, G. E. Ozur, A. G. Padey, and E. V. Yakovlev. "A High-Current Electron Gun Integrated with a Magnetron Sputtering System." Instruments and Experimental Techniques 61, no. 3 (May 2018): 433–35. http://dx.doi.org/10.1134/s0020441218020161.

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23

Singh, Udaybir, Nitin Kumar, Narendra Kumar, Sakshi Tandon, Hasina Khatun, L. P. Purohit, and Ashok Kumar Sinha. "NUMERICAL SIMULATION OF MAGNETRON INJECTION GUN FOR 1MW 120 GHZ GYROTRON." Progress In Electromagnetics Research Letters 16 (2010): 21–34. http://dx.doi.org/10.2528/pierl10031503.

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24

Zaitsev, N. I., E. V. Ilyakov, I. S. Kulagin, V. K. Lygin, V. N. Manuilov, M. A. Moiseev, and A. S. Shevchenko. "Experimental study of a powerful magnetron-injection gun for relativistic gyrodevices." Radiophysics and Quantum Electronics 49, no. 8 (August 2006): 612–16. http://dx.doi.org/10.1007/s11141-006-0095-0.

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25

Lu, Dun, Wenjie Fu, Xiaotong Guan, Tongbin Yang, Chaoyang Zhang, Chi Chen, Meng Han, and Yang Yan. "Ultra-High Velocity Ratio in Magnetron Injection Guns for Low-Voltage Compact Gyrotrons." Electronics 9, no. 10 (September 28, 2020): 1587. http://dx.doi.org/10.3390/electronics9101587.

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Low-voltage compact gyrotron is under development at the University of Electronic Science and Technology of China (UESTC) for industrial applications. Due to the low operating voltage, the relativistic factor is weak, and interaction efficiency could not be high. Therefore, a magnetron-injection gun (MIG) with an extremely high-velocity ratio α (around 2.5) is selected to improve the interaction efficiency. As beam voltage drops, space charge effects become more and more obvious, thus a more detailed analysis of velocity-ratio α is significant to perform low-voltage gyrotrons, including beam voltage, beam current, modulating voltage, depression voltage, cathode magnetic field, and magnetic depression ratio. Theoretical analysis and simulation optimization are adopted to demonstrate the feasibility of an ultra-high velocity ratio, which considers the space charge effects. Based on theoretical analysis, an electron gun with a transverse to longitudinal velocity ratio 2.55 and velocity spread 9.3% is designed through simulation optimization. The working voltage and current are 10 kV and 0.46 A with cathode emission density 1 A/cm2 for a 75 GHz hundreds of watts’ output power gyrotron.
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26

Ogura, K., S. Adachi, T. Satoh, T. Watabe, and M. M. Kersker. "Magnetron sputter coating for ultra high resolution Scanning Electron Microscopy (Simultaneous coating of platinum and tungsten using a magnetron sputter coater)." Proceedings, annual meeting, Electron Microscopy Society of America 47 (August 6, 1989): 80–81. http://dx.doi.org/10.1017/s0424820100152379.

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The resolution of the SEM has been remarkably improved by means of the in-lens SEM with a field emission gun. Consequently, the thin metal coating on the specimen surface for ultra high resolution imaging has become very important. In the age of imaging with 2-3nm resolution at 100,000x magnification, a very thin platinum (Pt) coating on the specimen surface using the magnetron sputter coater has yielded successful results. However, in an ultra high resolution scanning electron microscope with better than 1nm resolution at higher than 200,000: magnification, the fine granularity of magnetron sputter coating of Inra thick Pt will be observed on the specimen surface. Therefore, a thinner metal coating with smaller grain size than that of Pt is strongly required. Recently, we tried tungsten (W) coating on many variety of specimens in argon (Ar) gas atmosphere by using a magnetron sputter coater. Using a W coated carbon film, the granularity of W was examined by both an UHR-SEM and a TEM at a minimum magnification of 250,000x.
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27

Li Leilei, 李雷雷. "Three-dimensional numerical simulation of 55 GHz double anode magnetron injection gun." High Power Laser and Particle Beams 26, no. 12 (2014): 123003. http://dx.doi.org/10.3788/hplpb20142612.123003.

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28

Xia Mengzhong, 夏蒙重, 刘大刚 Liu Dagang, 鄢扬 Yan Yang, 杨超 Yang Chao, 刘腊群 Liu Laqun, and 彭凯 Peng Kai. "Design of single-anode magnetron injection gun for 94 GHz gyrotron oscillator." High Power Laser and Particle Beams 24, no. 8 (2012): 1936–40. http://dx.doi.org/10.3788/hplpb20122408.1936.

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29

Glyavin, M. Yu, A. G. Luchinin, and V. N. Manuilov. "Nonparaxial magnetron injection gun for a high-power pulsed submillimeter-wave gyrotron." Radiophysics and Quantum Electronics 52, no. 2 (February 2009): 150–56. http://dx.doi.org/10.1007/s11141-009-9114-2.

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30

LYGlN, V. K., V. N. MANUlLOV, A. N. KUFTIN, A. B. PAVELYEV, and B. PIOSCZYK. "Inverse magnetron injection gun for a coaxial 1-5MW, 140 GHz gyrotron." International Journal of Electronics 79, no. 2 (August 1995): 227–35. http://dx.doi.org/10.1080/00207219508926264.

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31

Ivanov, G. M., L. A. Makhnenko, and S. A. Cherenshchikov. "Unheated magnetron gun as an electron source for a resonant linear accelerator." Technical Physics 44, no. 7 (July 1999): 855–59. http://dx.doi.org/10.1134/1.1259365.

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32

Wang, Xiaoyan, Dongping Gao, Yong Wang, and Jie Yang. "Design and Thermal Analysis of Magnetron Injection Gun for Dual-Band Gyroklystron." IEEE Transactions on Plasma Science 50, no. 3 (March 2022): 670–77. http://dx.doi.org/10.1109/tps.2021.3139427.

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33

Chen Xulin, 陈旭霖, and 赵青 Zhao Qing. "Analysis and design of double-anode magnetron injection gun for 170 GHz gyrotron." High Power Laser and Particle Beams 23, no. 6 (2011): 1602–6. http://dx.doi.org/10.3788/hplpb20112306.1602.

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34

Jang, Kwang Ho, Jin Joo Choi, and Joon Ho So. "Design of a double-anode magnetron-injection gun for the W-band gyrotron." Journal of the Korean Physical Society 67, no. 2 (July 2015): 333–38. http://dx.doi.org/10.3938/jkps.67.333.

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35

Ruess, Sebastian, Ioannis Gr Pagonakis, Gerd Gantenbein, Stefan Illy, Thorsten Kobarg, Tomasz Rzesnicki, Manfred Thumm, Jorg Weggen, and John Jelonnek. "An Inverse Magnetron Injection Gun for the KIT 2-MW Coaxial-Cavity Gyrotron." IEEE Transactions on Electron Devices 63, no. 5 (May 2016): 2104–9. http://dx.doi.org/10.1109/ted.2016.2540298.

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36

Ye, Zhi-Zheng, and Jin-Fa Tang. "Transparent conducting indium doped ZnO films by dc reactive S-gun magnetron sputtering." Applied Optics 28, no. 14 (July 15, 1989): 2817. http://dx.doi.org/10.1364/ao.28.002817.

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37

Kesar, Amit S., John J. Petillo, Gregory S. Nusinovich, William Bill Herrmannsfeldt, and Victor L. Granatstein. "Design of a Magnetron Injection Gun for a 670-GHz 300-kW Gyrotron." IEEE Transactions on Plasma Science 39, no. 12 (December 2011): 3337–44. http://dx.doi.org/10.1109/tps.2011.2170436.

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38

Dovbnya, A. N., V. V. Zakutin, N. G. Reshetnyak, M. I. Ayzatsky, V. N. Boriskin, and N. A. Dovbnya. "Increasing accelerator electron beam current based on magnetron gun with secondary-emission cathode." Physics of Particles and Nuclei Letters 7, no. 7 (December 2010): 572–76. http://dx.doi.org/10.1134/s1547477110070320.

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39

Glyavin, M. Yu, A. D. Kuntsevich, A. G. Luchinin, V. N. Manuilov, M. V. Morozkin, A. P. Fokin, and M. D. Proyavin. "A magnetron injection gun with a reduced filament temperature and elongated cathode lifetime." Technical Physics Letters 39, no. 12 (December 2013): 1068–70. http://dx.doi.org/10.1134/s1063785013120080.

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40

Chen Xu-Lin, Zhao Qing, Liu Jian-Wei, and Zheng Ling. "Analysis and design of a double-anode magnetron injection gun for 1THz gyrotron." Acta Physica Sinica 61, no. 7 (2012): 074104. http://dx.doi.org/10.7498/aps.61.074104.

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41

Kumar, Nitin, Udaybir Singh, and Anirban Bera. "Triode Type Coaxial Inverse Magnetron Injection Gun for 2-MW, 240-GHz Gyrotron." IEEE Transactions on Electron Devices 66, no. 7 (July 2019): 3151–56. http://dx.doi.org/10.1109/ted.2019.2914472.

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42

Lawson, W., and V. Specht. "Design comparison of single-anode and double-anode 300-MW magnetron injection gun." IEEE Transactions on Electron Devices 40, no. 7 (July 1993): 1322–28. http://dx.doi.org/10.1109/16.216439.

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43

Anderson, J. P., R. J. Temkin, and M. A. Shapiro. "Experimental Studies of Local and Global Emission Uniformity for a Magnetron Injection Gun." IEEE Transactions on Electron Devices 52, no. 5 (May 2005): 825–28. http://dx.doi.org/10.1109/ted.2005.845793.

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44

Marszałek, Konstanty, Jacek Stępień, and Ryszard Mania. "Computer Controlled System for the Magnetron Sputtering Deposition of the Metallic Multilayers." International Journal of Electronics and Telecommunications 60, no. 4 (December 23, 2014): 291–98. http://dx.doi.org/10.2478/eletel-2014-0038.

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Abstract Deposition of the metallic multilayers is a part of the scientific program on the chemical reaction leading to intermetallic compound formation. This reaction is known as self propagation high temperature synthesis (SHS). The key problem in this investigation is to produce the metallic multilayer system with good repeatability of thin films thicknesses. Thin should be thin, parallel and with low volume of intermixing region between components. Computer control system for the pulsed (mid frequency MF) magnetron sputtering equipment dedicated for metallic multilayers deposition is presented in this paper. The rotation velocity of the sample holder and the gas inlet through membrane valves are the main parameters controlled by the system. Parameters of the magnetron gun power supply, sample temperature and technological gas pressure are registered. The process cards which define all process parameters are collected for each dedicated process type. All cards are collected in a process cards library which permits for full automatization of all operations. Software was written in a graphical LabVIEW environment.
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45

Demczyk, B. G., and H. W. Estry. "X-ray photoelectron spectroscopy of annealed Co-Cr films." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 750–51. http://dx.doi.org/10.1017/s0424820100088063.

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Co-Cr thin films have been studied extensively as leading candidates for perpendicular recording media. The enhancement of the magnetic properties (saturation magnetization and coercivity) in rfsputtered Co-Cr films has been reported by several investigators. Concurrent work has revealed similar improvements in the magnetic properties of annealed Co-Cr films produced by magnetron sputtering. Honda et al. propose that compositional inhomogeneities in annealed films give rise to these properties changes. In this work, we have employed X-ray photoelectron spectroscopy (XPS) to investigate compositional changes in annealed Co-Cr layers of thickness 10-200 nm.Films were deposited from a Co-22wt%Cr alloy target onto glass (Coming Type 7059) substrates using a Varian DC Magnetron ("S" gun) sputtering system. Sputtering conditions included an argon pressure of lmTorr and room temperature substrates. The sputtering rate was 0.25 nm/sec. Annealing was performed at 360°C in a vacuum (10-6 Torr) in incremental times up to 49 hours.
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46

Mazmanishvili, Oleksandr, Nikolay Reshetnyak, and Ganna Sydorenko. "DYNAMICS OF AN ELECTRON BEAM FORMED BY MAGNETRON GUN WITH THE SECONDARY EMISSION CATHODE IN THE DECLINING MAGNETIC FIELD OF SOLENOID: EXPERIMENT AND SIMULATION." Bulletin of National Technical University "KhPI". Series: System Analysis, Control and Information Technologies, no. 2 (6) (December 28, 2021): 27–34. http://dx.doi.org/10.20998/2079-0023.2021.02.05.

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The article presents the results of research and calculations on the formation of a radial electron beam by a magnetron gun with a secondary emission cathode in the electron energy range 35...65 keV and measuring its parameters during transportation in the total decreasing magnetic field of thesolenoid and the stray field of permanent magnets. The beam was transported in a system consisting of copper rings with an inner diameter of 66 mm,located at a distance of 85 mm from the exit of the magnetron gun. The dependence of the beam current on the amplitude and gradient of the fielddecay has been studied. The studies carried out have shown the possibility of stable formation of a radial electron beam with an energy of tens of keVin the decreasing magnetic field of the solenoid. By optimizing the distribution of the magnetic field (created by the solenoid and ring magnets) and itsdecay gradient, it is possible to achieve an increase in the incident of electrons on one ring (up to ~72% of the beam current). On the basis of themathematical model of the movement of the electron flow, a software tool has been synthesized that makes it possible to obtain and interpret thecharacteristics of the resulting flows. The obtained numerical dependences are in satisfactory agreement with the experimental results for a magneticfield with a large decay gradient. Various configurations of the magnetic field are considered. Solutions to the direct problem of modeling electrontrajectories for given initial conditions and parameters are obtained. Various configurations of the magnetic field are considered. It is shown that forthe selected initial conditions for the electron beam and the distributions of the longitudinal magnetic field along the axis of the gun and the transportchannel, the electron flux falls on a vertical section, the length of which is on the order of a millimeter. Thus, by changing the amplitude anddistribution of the magnetic field, it is possible to control the current in the radial direction along the length of the pipe, and, therefore, the place of theelectron irradiation.
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47

Zhang, Jian, Cean Guo, Gang Zhang, Chong Rui Wang, and Shi Ming Hao. "Properties of Sputtered NiCrAlY Used for Protective Gun Tube Coatings." Materials Science Forum 686 (June 2011): 613–17. http://dx.doi.org/10.4028/www.scientific.net/msf.686.613.

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NiCrAlY coatings were deposited on CrNi3MoVA steel substrates by means of magnetron sputtering. The coatings were characterized in terms of their microstructure, hardness, friction coefficient, high-temperature oxidation resistance. Micro-indentation and tribometer testers were employed to measure the mechanical properties of NiCrAlY coatings and CrNi3MoVA steel. The results showed that the hardness of the coatings ranged from 5.7 to 5.9 GPa, with a higher value than that of CrNi3MoVA steel(4.1-4.3 GPa). The coefficient of steady-state friction of the coatings against 45-carbon-steel balls ranged from 0.35 to 0.40, with a lower value than that of CrNi3MoVA steel(0.63-0.68). The isothermal oxidation behavior at 850°C of the coatings were studied in comparison with CrNi3MoVA steel substrates. The results indicated that NiCrAlY coatings substantially increase the high-temperature oxidation resistance of CrNi3MoVA steel and the oxidation process was retarded mainly by the presence of outer complex oxide scales and a continuous Al2O3 inner layer on the coating.
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48

Mazmanishvili, A. S., N. G. Reshetnyak, and O. A. Shovkoplyas. "Beam and Sector Modes of Electron Fluxes in Cylindrical Magnetic Field of Magnetron Gun." Journal of Nano- and Electronic Physics 12, no. 3 (2020): 03001–1. http://dx.doi.org/10.21272/jnep.12(3).03001.

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49

Yin, Rui-jian, and Pu-kun Liu. "Design of a Single-anode Magnetron-injected-gun for the 3mm GYRO-TWT Amplifiers." Journal of Electronics & Information Technology 30, no. 6 (March 22, 2011): 1507–10. http://dx.doi.org/10.3724/sp.j.1146.2006.01896.

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Kiziridi, P. P., and G. E. Ozur. "High-current electron gun with a planar magnetron integrated with an explosive-emission cathode." Vacuum 143 (September 2017): 444–46. http://dx.doi.org/10.1016/j.vacuum.2017.03.001.

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