Control of electron temperature and space potential gradients by superposition of thermionic electrons on electron cyclotron resonance plasmas

Chanho Moon; Toshiro Kaneko; Shuichi Tamura; Rikizo Hatakeyama

doi:10.1063/1.3433553

Control of electron temperature and space potential gradients by superposition of thermionic electrons on electron cyclotron resonance plasmas

Chanho Moon, Toshiro Kaneko, Shuichi Tamura, Rikizo Hatakeyama

ENG - Electronic Engineering

Tohoku University

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

An electron temperature gradient (ETG) is formed perpendicular to the magnetic field lines by superimposing lowerature thermionic electrons emitted from a tungsten hot plate upon higherature electrons of an electron cyclotron resonance plasma, which pass through two different-shaped mesh grids. The radial profile of the plasma space potential can be controlled independent of the ETG by changing the bias voltages of the hot plate.

Original language	English
Article number	053506
Journal	Review of Scientific Instruments
Volume	81
Issue number	5
DOIs	https://doi.org/10.1063/1.3433553
Publication status	Published - 2010 May

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title = "Control of electron temperature and space potential gradients by superposition of thermionic electrons on electron cyclotron resonance plasmas",

abstract = "An electron temperature gradient (ETG) is formed perpendicular to the magnetic field lines by superimposing lowerature thermionic electrons emitted from a tungsten hot plate upon higherature electrons of an electron cyclotron resonance plasma, which pass through two different-shaped mesh grids. The radial profile of the plasma space potential can be controlled independent of the ETG by changing the bias voltages of the hot plate.",

author = "Chanho Moon and Toshiro Kaneko and Shuichi Tamura and Rikizo Hatakeyama",

note = "Funding Information: The authors are indebted to H. Ishida for technical assistance. This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan.",

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doi = "10.1063/1.3433553",

language = "English",

volume = "81",

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T1 - Control of electron temperature and space potential gradients by superposition of thermionic electrons on electron cyclotron resonance plasmas

AU - Moon, Chanho

AU - Kaneko, Toshiro

AU - Tamura, Shuichi

AU - Hatakeyama, Rikizo

N1 - Funding Information: The authors are indebted to H. Ishida for technical assistance. This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan.

PY - 2010/5

Y1 - 2010/5

N2 - An electron temperature gradient (ETG) is formed perpendicular to the magnetic field lines by superimposing lowerature thermionic electrons emitted from a tungsten hot plate upon higherature electrons of an electron cyclotron resonance plasma, which pass through two different-shaped mesh grids. The radial profile of the plasma space potential can be controlled independent of the ETG by changing the bias voltages of the hot plate.

AB - An electron temperature gradient (ETG) is formed perpendicular to the magnetic field lines by superimposing lowerature thermionic electrons emitted from a tungsten hot plate upon higherature electrons of an electron cyclotron resonance plasma, which pass through two different-shaped mesh grids. The radial profile of the plasma space potential can be controlled independent of the ETG by changing the bias voltages of the hot plate.

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ER -

Control of electron temperature and space potential gradients by superposition of thermionic electrons on electron cyclotron resonance plasmas

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