A robust and powerful green light photoemission source: The ferroelectric ceramics

被引：1

作者：

Doria, A

Gallerano, GP

Giannessi, L

Giovenale, E

Boscolo, I

Parafioriti, R

Porcari, A

Scurati, A

Castellano, M

Catani, L

Ferrario, M

Patteri, P

Tazzioli, F

Handerek, J

机构：

[1] ENEA, CR Frascati, I-00044 Frascati, Italy

[2] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[3] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[4] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland

来源：

APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 06期

关键词：

D O I：

10.1063/1.123390

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The photoemission characteristics of ceramic disks of lead zirconate titanate lanthanum doped (PLZT), have been investigated. We observe 1 nC of extracted charge under an accelerating field of 20 kV/cm in poor vacuum conditions. The emission is clearly limited by space charge effects. The extrapolated quantum efficiency results in approximate to 10(-6). The yield of a PLZT ceramic in the ferroelectric state and its slope versus light intensity have turned out higher than those of antiferroelectric ceramic. Samples in different experimental configurations have shown different nonlinear yields. (C) 1999 American Institute of Physics. [S0003-6951(99)03504-4].

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页码：859 / 861

页数：3

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