Growth, optical and microstructural properties of PbB4O7 plate crystals

被引：12

作者：

Zaitsev, A. I. ^{[1
]}

Aleksandrovsky, A. S. ^{[2
]}

Kozhukhov, A. S. ^{[3
,6
]}

Pokrovsky, L. D. ^{[4
]}

Atuchin, V. V. ^{[4
,5
,6
]}

机构：

[1] SB RAS, Akademgorodok, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 690036, Russia

[2] Akademgorodok, SB RAS, Kirensky Inst Phys, Lab Coherent Opt, Krasnoyarsk 690036, Russia

[3] Russian Acad Sci, Inst Semicond Phys, Lab Nanodiagnost & Nanolithog, SB RAS, Novosibirsk 630090, Russia

[4] Russian Acad Sci, Inst Semicond Phys, Lab Opt Mat & Struct, SB RAS, Novosibirsk 630090, Russia

[5] Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia

[6] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

OPTICAL MATERIALS | 2014年 / 37卷

关键词：

PbB4O7; Czochralski growth; Facet; RHEED; AFM; SUSCEPTIBILITIES; ANISOTROPY; STRONTIUM; RAMAN;

D O I：

10.1016/j.optmat.2014.06.012

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Centimeter-sized optical quality plate-like PbB4O7 crystals have been grown by Czochralski method. The fundamental absorption edge has been found at 237 nm (corresponding bandgap 5.75 eV) with the distinct sideband protruding up to 300 nm. The crystals are well faceted with the (100), (010) and (101) planes, (100) surfaces being mostly developed. The etching in diluted nitric acid (5 wt.%) at the temperature of 90 degrees C have been used to reveal the defect structure and remove melt residuals. The (100) surface shows the presence of etching pits and twin boundaries. The Kikuchi line pattern and developed microrelief with the roughness of similar to 8 nm have been observed by RHEED and AFM, respectively. (C) 2014 Elsevier. B.V. All rights reserved.

引用

页码：298 / 301

页数：4

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