SPODUMENE AND GARNET LUMINESCENCE EXCITED BY SUBNANOSECOND ELECTRON BEAMS

被引：3

作者：

Baksht, E. Kh ^{[1
,2
]}

Burachenko, A. G. ^{[1
]}

Solomonov, V. I. ^{[3
]}

Tarasenko, V. F. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst High Current Elect, Siberian Branch, Tomsk 634055, Russia

[2] Tomsk VV Kuibyshev State Univ, Tomsk 634050, Russia

[3] Russian Acad Sci, Inst Electrophys, Ural Branch, Ekaterinburg, Russia

来源：

RUSSIAN PHYSICS JOURNAL | 2011年 / 54卷 / 06期

关键词：

pulse cathodoluminescence; subnanosecond electron beam; EXCITATION; CRYSTALS;

D O I：

10.1007/s11182-011-9663-7

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Pulsed cathodoluminescence of spodumene and yttrium-aluminum garnet crystals activated by Mn(2+) and Nd(3+) ions, respectively, is investigated. The luminescence was excited upon crystal irradiation by electron beams with current densities of 35 and 100 A/cm(2) and average electron energy of similar to 50 keV for 0.1, 0.25, and 0.65 ns. It is demonstrated that the electron beam duration decreased to several tenth of a nanosecond does not lead to essential changes of the mechanisms of pulsed cathodoluminescence excitation and character of its spectrum, but in this case, the intensity of luminescence of the hole centers increases compared with the intracenter luminescence.

引用

页码：634 / 638

页数：5

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