Academic literature on the topic 'Thermionics'

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Journal articles on the topic "Thermionics"

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ZHANG, C. "EFFECT OF INELASTIC SCATTERING OF HOT ELECTRONS ON THERMIONIC COOLING IN A SINGLE-BARRIER STRUCTURE." International Journal of Modern Physics B 14, no. 14 (2000): 1451–57. http://dx.doi.org/10.1142/s0217979200001503.

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One of the important problems in thermionics using layered structures is the inelastic scattering of hot electrons in the electrodes and in the barrier region. Scattering in these systems is mainly via the electron–phonon interaction, or indirectly via the electron–electron interaction. In semiconductor heterostructures at room temperature, the LO-phonon plays a crucial role in thermalising electrons. In this work we study the effect of electron–phonon scattering on thermionic cooling in a single-barrier structure. Because of the asymmetry of the barrier under a bias, a larger fraction of the
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Khoshaman, Amir H., Harrison D. E. Fan, Andrew T. Koch, George A. Sawatzky, and Alireza Nojeh. "Thermionics, Thermoelectrics, and Nanotechnology: New Possibilities for Old Ideas." IEEE Nanotechnology Magazine 8, no. 2 (2014): 4–15. http://dx.doi.org/10.1109/mnano.2014.2313172.

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Marti, Antonio. "Analysis of the Thermodynamic Consistency of the Richardson–Duhmann Model for Thermionic Converters." Energies 13, no. 5 (2020): 1087. https://doi.org/10.3390/en13051087.

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Humphrey, T. E., M. F. O’Dwyer, C. Zhang, and R. A. Lewis. "Solid-state thermionics and thermoelectrics in the ballistic transport regime." Journal of Applied Physics 98, no. 2 (2005): 026108. http://dx.doi.org/10.1063/1.1977191.

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Marshall, Paul. "Making Old Television Technology Make Sense." VIEW Journal of European Television History and Culture 8, no. 15 (2019): 32. http://dx.doi.org/10.18146/2213-0969.2019.jethc163.

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How does traditional analogue television work? That’s a question beyond the comfort zone of most media historians who may not be familiar with analogue electronics. Even young engineers know little of thermionics, cathode rays and a myriad of other forgotten technologies. This important facet of television’s history is now only recorded by older engineers and by amateur groups who collect these technologies. In this paper, I will show by using examples how material artefacts can help us understand television’s history more fully.
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Huang, Sunchao, Matthew Sanderson, Yan Zhang, and Chao Zhang. "High efficiency and non-Richardson thermionics in three dimensional Dirac materials." Applied Physics Letters 111, no. 18 (2017): 183902. http://dx.doi.org/10.1063/1.5006277.

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Khoshaman, Amir H., Andrew T. Koch, Mike Chang, Harrison D. E. Fan, Mehran Vahdani Moghaddam, and Alireza Nojeh. "Nanostructured Thermionics for Conversion of Light to Electricity: Simultaneous Extraction of Device Parameters." IEEE Transactions on Nanotechnology 14, no. 4 (2015): 624–32. http://dx.doi.org/10.1109/tnano.2015.2426149.

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Inayat, Usman, Shaukat Iqbal, and Tareq Manzoor. "Theoretical Investigation of Two-Dimensional Nonlinear Radiative Thermionics in Nano-MHD for Solar Insolation: A Semi-Empirical Approach." Computer Modeling in Engineering & Sciences 130, no. 2 (2022): 751–76. http://dx.doi.org/10.32604/cmes.2022.018665.

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Cheekatamarla, Praveen. "Role of On-Site Generation in Carbon Emissions and Utility Bill Savings under Different Electric Grid Scenarios." Energies 15, no. 10 (2022): 3477. http://dx.doi.org/10.3390/en15103477.

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Energy-efficient and sustainable technologies are necessary to lower energy and carbon footprints. Many technologies are being pursued to meet the increasing energy demand in buildings. An attractive option is efficient utilization of available energy resources, including renewables, to support current and future building energy needs while targeting grid resiliency, energy, and environmental security at an affordable cost via on-site cogeneration-based approaches. This must include energy-efficient technologies with lower greenhouse gas emissions and optimized cost, performance, and reliabili
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Voronovich, D. A. "Thermionic properties of lutetium borides single crystals." Functional materials 21, no. 3 (2014): 266–73. http://dx.doi.org/10.15407/fm21.03.266.

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Dissertations / Theses on the topic "Thermionics"

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Humphrey, Tammy Ellen Physics Faculty of Science UNSW. "Mesoscopic quantum ratchets and the thermodynamics of energy selective electron heat engines." Awarded by:University of New South Wales. Physics, 2003. http://handle.unsw.edu.au/1959.4/19186.

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A ratchet is an asymmetric, non-equilibrated system that can produce a directed current of particles without the need for macroscopic potential gradients. In rocked quantum electron ratchets, tunnelling and wave-reflection can induce reversals in the direction of the net current as a function of system parameters. An asymmetric quantum point contact in a GaAs/GaAlAs heterostructure has been studied experimentally as a realisation of a quantum electron ratchet. A Landauer model predicts reversals in the direction of the net current as a function of temperature, amplitude of the rocking voltage,
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Tanner, Peter Godfrey. "Some developments of thermionic converters." Thesis, King's College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248055.

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Hirt, Benjamin David. "Impact of Additives on Thermionic Cathodes." Ohio University Honors Tutorial College / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1524832507214002.

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Vashaee, Daryoosh. "High efficiency heterostructure integrated thermionic coolers /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2004. http://uclibs.org/PID/11984.

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Lough, Benjamin C. C. "Investigations into thermionic cooling for domestic refrigeration." School of Engineering Physics - Faculty of Engineering, 2004. http://ro.uow.edu.au/theses/230.

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Thermionic refrigeration using semiconductor heterostructures is examined theoretically and experimentally. A theory of single-barrier devices is first developed where two classes of single-barrier devices are defined and compared. So-called class 1 devices are found to always perform better. A theory of multiple-barrier devices based on class 1 barriers is then developed using a numerical solution. Experimentally, three generations of 10-barrier devices based on A1(subscript x)Ga(subscript 1-x)As-GaAs heterostructures were made and electrically characterised. This material is by no means idea
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Koeck, Franz Alexander. "Thermionic Emission from Doped and Nanocrystalline Diamond." NCSU, 2003. http://www.lib.ncsu.edu/theses/available/etd-04032003-161449/.

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Microwave Plasma assisted Chemical Vapor Deposition (MPCVD) has been utilized to synthesize nitrogen doped and intrinsic nanocrystalline diamond films to investigate thermionic field emission behavior. Sulfur-doped nanocrystalline diamond films prepared by hot filament chemical vapor deposition (HFCVD) have been included in the thermionic field emission measurements. The samples were imaged in UHV by photo electron emission microscopy (PEEM) using a UV Hg lamp for photoemission excitation. The same instrument was used to obtain the thermionic-field emission electron microscopy images (T-FEEM)
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Stephen, Alexander. "Enhancement of thermionic cooling using Monte Carlo simulation." Thesis, University of Aberdeen, 2014. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=210113.

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Advances in the field of semiconductor physics have allowed for rapid development of new, more powerful devices. The new fabrication techniques allow for reductions in device geometry, increasing the possible wafer packing density. The increased output power comes with the price of excessive heat generation, the removal of which proves problematic at such scales for conventional cooling systems. Consequently, there is a rising demand for new cooling systems, preferably those that do not add large amount of additional bulk to the system. One promising system is the thermoelectric (TE) cooler wh
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Larson, Gregg D. "Two-dimensional modeling of a proposed auxilliary ionization scheme for thermionic converters." Thesis, Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/15964.

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Day, Christopher M. "Field enhanced thermionic emission from oxide coated carbon nanotubes." Virtual Press, 2006. http://liblink.bsu.edu/uhtbin/catkey/1348860.

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A cathode structure was demonstrated that utilizes aligned carbon nanotubes (CNTs) to improve the thermionic electron emission by increasing the field enhancement of the cathode surface. Aligned CNTs were grown on the surface of a tungsten substrate by plasma enhanced chemical vapor deposition. The tungsten-CNT structure was further coated with a thin film of low work function emissive materials by magnetron sputtering. Numerous cathodes with varying CNT morphology and oxide layer thickness were created. The field and thermionic emission of the cathodes were tested in order to study the effect
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SCHOENEMAN, DONALD WARREN. "COMPUTER-AIDED DESIGN OF THERMIONIC INTEGRATED CIRCUIT ACTIVE DEVICES." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188077.

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Two computer-aided design methods are described in this dissertation for the design of Thermionic Integrated Circuits (TIC). Such circuits combine vacuum tube techniques with modern integrated circuit techniques to produce microminiature vacuum tube circuits, with possibly hundreds of vacuum triodes on a single substrate. The first method described in the line charge approximation technique in which the TIC devices are modelled as collections of line charges. A TIC is produced by evaporating metal electrodes on one or two sapphire substrates. The entire structure is heated to about 850°C so th
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Books on the topic "Thermionics"

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National Research Council (U.S.). Committee on Thermionic Research and Technology. Thermionics Quo Vadis?: An assessment of the DTRA's advanced thermionics research and development program. National Academy Press, 2001.

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Bros, Peter King. Thermionics: The formation, movement, and dissipation of matter in the universe : a conceptual unification of the macrocosmic and microcosmic nature of measurable and observable physical phenomena. B & B Records Center, 1986.

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Stakhanov, I. P. Fizika termoėmissionnogo preobrazovateli͡a︡. Ėnergoatomizdat, 1985.

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History of thermionic devices (conference proceedings) (23 April 1994 Apr 1994 London). Conference proceedings: History of thermionic devices. The Society, 1995.

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Srivastava, M. K. Redistribution of thermal x-ray radiation in cavities: View-factor method and comparison with DSn calculations. Bhabha Atomic Research Centre, 1999.

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S, Kresanov V., ed. Vysokoėffektivnyĭ ėmitter ėlektronov na osnove geksaborida lantana. Ėnergoatomizdat, 1987.

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Kemenade, Erik van. The design of a combustion heated thermionic energy converter. [s.n.], 1995.

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Fujita, T., G. Oomi, and H. Fujii. Transport and thermal properties of f-electron systems. Springer Science, 1993.

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United States. National Aeronautics and Space Administration., ed. Thermion: Verification of a thermionic heat pipe in microgravity, Utah State University, 1990-1991. National Aeronautics and Space Administration, 1991.

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United States. National Aeronautics and Space Administration., ed. Design of a power management and distribution system for a thermionic-diode powered spacecraft. National Aeronautics and Space Administration, 1996.

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Book chapters on the topic "Thermionics"

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Watson, John. "Thermionic Devices." In Mastering Electronics. Macmillan Education UK, 1986. http://dx.doi.org/10.1007/978-1-349-08533-0_5.

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Gooch, Jan W. "Thermionic Emission." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_11770.

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Watson, John. "Thermionic Devices." In Mastering Electronics. Macmillan Education UK, 1996. http://dx.doi.org/10.1007/978-1-349-14210-1_6.

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Nolas, George S., Jeffrey Sharp, and H. Julian Goldsmid. "Thermionic Refrigeration." In Thermoelectrics. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-662-04569-5_9.

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Yates, John T. "Thermionic Emitters." In Experimental Innovations in Surface Science. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17668-0_14.

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Watson, John. "Thermionic devices." In Mastering Electronics. Macmillan Education UK, 1990. http://dx.doi.org/10.1007/978-1-349-11911-0_5.

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Goldsmid, H. Julian. "Thermionic Energy Conversion." In Introduction to Thermoelectricity. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49256-7_13.

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Yates, John T. "Thoriated Thermionic Emitters." In Experimental Innovations in Surface Science. Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4612-2304-7_63.

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Yates, John T. "Thermionic Emitter Mounting." In Experimental Innovations in Surface Science. Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4612-2304-7_66.

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Goldsmid, H. Julian. "Thermionic Energy Conversion." In Introduction to Thermoelectricity. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00716-3_13.

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Conference papers on the topic "Thermionics"

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Begg, Lester L., Thomas H. Van Hagan, and Joe N. Smith. "Thermionic Cascade Converter Concept for High-Efficiency Space Power." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0974.

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Abstract This paper presents trade studies that address the use of the thermionic/AMTEC cell — a cascaded, high-efficiency, static power conversion concept that appears well-suited to space power applications. Both the thermionic and AMTEC power conversion approaches have been shown to be promising candidates for space power. Thermionics offers system compactness via modest efficiency at high heat rejection temperatures, and AMTEC offers high efficiency at modest heat rejection temperature. From a thermal viewpoint, the two are ideally suited for cascaded power conversion: thermionic heat reje
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"Session: advanced thermionics concepts." In IEEE 1988 International Conference on Plasma Science. IEEE, 1988. http://dx.doi.org/10.1109/plasma.1988.132249.

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LAMP, TOM, and TOM MAHEFKEY. "The Advanced Thermionics Initiative Program." In Conference on Advanced SEI Technologies. American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-3467.

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Agnew, Paul, Mohamed S. El-Genk, and Mark D. Hoover. "TOPAZ-II Materials and Thermionics Research." In SPACE NUCLEAR POWER AND PROPULSION: Eleventh Symposium. AIP, 1994. http://dx.doi.org/10.1063/1.2950261.

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Lamp, Thomas R., and Brian D. Donovan. "The advanced thermionics initiative...program update." In Proceedings of the tenth symposium on soacpace nuclear and propulsion. AIP, 1993. http://dx.doi.org/10.1063/1.43132.

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Yarygin, V. I., A. V. Vizgalov, V. V. Klepikov, et al. "Progress in the Field of Terrestrial Thermionics." In 27th Intersociety Energy Conversion Engineering Conference (1992). SAE International, 1992. http://dx.doi.org/10.4271/929354.

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Desplat, Jean-Louis. "Evaluation of oxygen-dispensing collectors for thermionics." In Space technology and applications international forum -1999. AIP, 1999. http://dx.doi.org/10.1063/1.57541.

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Lamp, Tom, and Brian Donovan. "Advanced thermionics technology programs at Wright Laboratory." In Proceedings of the ninth symposium on space nuclear power systems. AIP, 1992. http://dx.doi.org/10.1063/1.41904.

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Allen, Daniel T., Yuri V. Nikolaev, Stanislav A. Eryomin, et al. "Applications of out-of-core close-spaced thermionics." In Proceedings of the tenth symposium on soacpace nuclear and propulsion. AIP, 1993. http://dx.doi.org/10.1063/1.43135.

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Miskolczy, Gabor, and Peter Reagan. "Application of chemical vapor composites (CVC) to terrestrial thermionics." In Proceedings of the 12th symposium on space nuclear power and propulsion: Conference on alternative power from space; Conference on accelerator-driven transmutation technologies and applications. AIP, 1995. http://dx.doi.org/10.1063/1.47230.

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Reports on the topic "Thermionics"

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Geller, C. B., C. S. Murray, D. R. Riley, et al. High Efficiency Thermionics (HET-IV) and Converter Advancement (CAP) programs. Final reports. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/225989.

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Kenny, Thomas, and Theodore H. Geballe. Thermionic Cooling Devices. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada380668.

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Bowers, J. E., V. Narayanamurti, and A. Shakouri. Heterostructure Integrated Thermionic Coolers. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada389343.

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Schock, Alfred. Thermionic Reactor Design Studies. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/1033362.

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Schock, Alfred. Thermionic Reactor Design Studies. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/1033380.

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Hunter, R. L., A. S. Gontar, M. V. Nelidov, Yu V. Nikolaev, and L. N. Schulepov. Fuel elements of thermionic converters. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/446378.

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Allen, Daniel T. Thermionic converter emitter support arrangement. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/6735751.

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Rapp, Vi. Thermionic emission and energy conversion. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1607933.

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James P. Blanchard. Insulation for a Thermionic Microbattery. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/832892.

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Wilde, D. K., D. K. Lynn, and D. Hamilton. Thermionic integrated circuit program: Final report. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/5019901.

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