Chinese Physics C > 2010, Vol. 34 > Issue(8): 1127-1131 DOI: 10.1088/1674-1137/34/8/017

Development of a ferroelectric cathode diode

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As a promising kind of high current cold cathode, the Ferroelectric Cathode (FEC) has several significant advantages, such as a controllable trigger time, lower vacuum requirement and large emitting area fabricability. The emitting current density of the FEC fabricated at Tsinghua University was more than 200 A/cm². In order to make the ferroelectric cathode into practical applications, a high current density diode using a ferroelectric cathode was designed, based on the PIC simulation. The performance of the FEC diode was investigated experimentally. When the applied diode voltage was 60 kV, a current density of more than 250 A/cm²was obtained, and the current density distribution was also measured.

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LI Ruo-Yun, ZHENG Shu-Xin and TANG Chuan-Xiang. Development of a ferroelectric cathode diode[J]. Chinese Physics C, 2010, 34(8): 1127-1131. doi: 10.1088/1674-1137/34/8/017

LI Ruo-Yun, ZHENG Shu-Xin and TANG Chuan-Xiang. Development of a ferroelectric cathode diode[J]. Chinese Physics C, 2010, 34(8): 1127-1131. doi:10.1088/1674-1137/34/8/017 shu

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Received: 2009-10-10
Revised: 2009-12-07

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Development of a ferroelectric cathode diode

Corresponding author:ZHENG Shu-Xin,

Received Date:2009-10-10

Accepted Date:2009-12-07

Available Online:2010-08-05

Abstract:

As a promising kind of high current cold cathode, the Ferroelectric Cathode (FEC) has several significant advantages, such as a controllable trigger time, lower vacuum requirement and large emitting area fabricability. The emitting current density of the FEC fabricated at Tsinghua University was more than 200 A/cm². In order to make the ferroelectric cathode into practical applications, a high current density diode using a ferroelectric cathode was designed, based on the PIC simulation. The performance of the FEC diode was investigated experimentally. When the applied diode voltage was 60 kV, a current density of more than 250 A/cm²was obtained, and the current density distribution was also measured.

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Development of a ferroelectric cathode diode

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通讯作者:陈斌, bchen63@163.com

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