The Fabrication and Characteristics of YBa2Cu3O7-x/W and Y2O3/W Field Emitters

Jiang Xiang-qi; Yang Xi-liang; Xu Hui

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The Fabrication and Characteristics of YBa₂Cu₃O₇-x/W and Y₂O₃/W Field Emitters

更新时间：2025-12-08

- The Fabrication and Characteristics of YBa₂Cu₃O₇-x/W and Y₂O₃/W Field Emitters
- Acta Electronica Sinica Issue 6, Pages: 101-104(1989)
- 作者机构：
  
  复旦大学现代物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1989
- 稿件说明：
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[1]姜祥祺,杨锡良,徐辉.YBa_2Cu_3O_(7-x)/W和Y_2O_3/W热场发射阴极研究[J].电子学报,1989(06):101-104.

Jiang Xiang-qi, Yang Xi-liang, Xu Hui. The Fabrication and Characteristics of YBa₂Cu₃O₇-x/W and Y₂O₃/W Field Emitters[J]. Acta Electronica Sinica, 1989, (6): 101-104.
[1]姜祥祺,杨锡良,徐辉.YBa_2Cu_3O_(7-x)/W和Y_2O_3/W热场发射阴极研究[J].电子学报,1989(06):101-104. DOI：

Jiang Xiang-qi, Yang Xi-liang, Xu Hui. The Fabrication and Characteristics of YBa₂Cu₃O₇-x/W and Y₂O₃/W Field Emitters[J]. Acta Electronica Sinica, 1989, (6): 101-104. DOI：

摘要

作者研制成功了YBa

7-x

/W和Y

/W两种场发射阴极

并得到了相应的场发射图象。由场电流和电压测量

再经F-N公式计算

可确定YBa

7-x

/W场阴极在室温下的逸出功为4.1eV。在相同几何参数和电参数下

/W的场电流较钨场阴极为大

且较稳定。

Abstract

The Y

/W and YBa

-x/W field emitters have been fabricated and the corresponding field emission patterns have been obtained. For the same dimensions and electric parameters

the field emission current of Y2O3/W is higher and more stable than that of W tip. By measuring field emission currents and voltages and

then

plotting the data in accordance with the Fowler-Nordheim equation

the work function of YBa2Cu3O7

/w is found to be 4.1 eV at room temperature.

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