VERSATILE 4-PROBE AC CONDUCTIVITY MEASUREMENT SYSTEM

被引:49
作者
PHILLIPS, TE [1 ]
ANDERSON, JR [1 ]
SCHRAMM, CJ [1 ]
HOFFMAN, BM [1 ]
机构
[1] NORTHWESTERN UNIV,CTR MAT RES,EVANSTON,IL 60201
关键词
D O I
10.1063/1.1135781
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The design of a four-probe ac conductivity measurement system is described. The system is capable of making precision conductance measurements from 10 -8 to 10-5 S at 20 to 200 Hz. Driven coaxial shields and a controlled current source are utilized to eliminate phase shift/attenuation errors, and make the measurement of conductances on a variety of materials a routine procedure requiring a minimum of operator intervention.
引用
收藏
页码:263 / 265
页数:3
相关论文
共 2 条
[1]   CONDUCTIVE MOLECULAR-CRYSTALS - PARTIALLY OXIDIZED OCTAMETHYLTETRABENZPORPHYRINS [J].
PHILLIPS, TE ;
HOFFMAN, BM .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1977, 99 (23) :7734-7736
[2]   NEW LOW-DIMENSIONAL MOLECULAR METALS - SINGLE-CRYSTAL ELECTRICAL-CONDUCTIVITY OF NICKEL PHTHALOCYANINE IODIDE [J].
SCHRAMM, CJ ;
STOJAKOVIC, DR ;
HOFFMAN, BM ;
MARKS, TJ .
SCIENCE, 1978, 200 (4337) :47-48