VOLATILE BARIUM BETA-DIKETONATES FOR USE AS MOCVD PRECURSORS

被引：45

作者：

SIEVERS, RE ^{[1
]}

TURNIPSEED, SB ^{[1
]}

HUANG, L ^{[1
]}

LAGALANTE, AF ^{[1
]}

机构：

[1] UNIV COLORADO,NOAA,COOPERAT INST RES ENVIRONM SCI,BOULDER,CO 80309

来源：

COORDINATION CHEMISTRY REVIEWS | 1993年 / 128卷 / 1-2期

关键词：

D O I：

10.1016/0010-8545(93)80035-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Metal-organic chemical vapor deposition (MOCVD) techniques have been used to deposit thin superconducting films of YBa2Cu3O7-x. A limitation of the technique lies in the volatility of the barium(II) precursors. A review of attempts to enhance volatility through substitution of fluorinated chelating agents and studies to limit oligomerization of the barium chelates are reviewed. Within the past five years, substantial progress has been made in synthesizing more volatile barium complexes, and the most volatile barium compound yet reported is a monomeric chelate in which five hexafluoroacetylacetonato ligands are bonded to barium(II).

引用

页码：285 / 291

页数：7

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