Very large cathode current and long term stability of vacuum sealed tubes with engrafted-carbon-nanotube emitters
2014 ◽
Vol 47
◽
pp. 40-45
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2011 ◽
Vol 58
(11)
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pp. 4053-4060
◽
2017 ◽
Vol 42
(17)
◽
pp. 12567-12573
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2014 ◽
Vol 103
◽
pp. 42-48
◽
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