FABRICATION OF BIOLOGICALLY BASED MICROSTRUCTURE COMPOSITES FOR VACUUM FIELD-EMISSION

被引：27

作者：

CHOW, GM

STOCKTON, WB

PRICE, R

BARAL, S

TING, AC

RATNA, BR

SHOEN, PE

SCHNUR, JM

BERGERON, GL

CZARNASKI, MA

HICKMAN, JJ

KIRKPATRICK, DA

机构：

[1] SCI APPLICAT INT CORP, MCLEAN, VA 22102 USA

[2] GEOCENTERS INC, FT WASHINGTON, MD 20744 USA

[3] GEORGETOWN UNIV, SCH MED, WASHINGTON, DC 20007 USA

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1992年 / 158卷 / 01期

关键词：

D O I：

10.1016/0921-5093(92)90128-N

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A multidisciplinary approach to the fabrication of biologically based microstructure composites for vacuum field emission is described. Diacetylenic lipid 1,2-bis(10, 12-tricosadiynoyl)-sn-glycero-3-phosphocholine (DC, PC) was self-assembled to form hollow cylindrical tubules approximately 0.5 mum in average diameter and 50-80 mum long. Following the deposition of nickel on the inner and outer tubule sur-faces by an electroless plating method, the nickel-plated tubules were magnetically aligned in an epoxy matrix to form a composite material. Subsequent selective removal of the matrix provided a composite base template of oriented exposed tubules. The tubule template was coated with a thin sputtered gold film to provide the surface electrical contact. The resultant microstructures demonstrated vacuum field emission of current I > 10 muA at relatively low applied macroscopic electric fields (about 60-150 kV cm-1).

引用

页码：1 / 6

页数：6

共 21 条

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