Observation of room temperature mono-electron phenomena on nanometre-sized CdS particles

被引:25
作者
Erokhin, V
Facci, P
Carrara, S
Nicolini, C
机构
[1] UNIV GENOA,INST BIOPHYS,I-16153 GENOA,ITALY
[2] ELBA FDN,MARCIANA MARINA,LI,ITALY
关键词
D O I
10.1088/0022-3727/28/12/022
中图分类号
O59 [应用物理学];
学科分类号
摘要
A STM study of ultra-small cadmium sulphide particles formed in a bilayer of cadmium arachidate exposed to a hydrogen sulphide atmosphere is reported. Particles of nanometre size were identified as negative features inside the film after the reaction. Voltage-current characteristics of particles of different apparent sizes were measured by means of the microscope probe. The behaviour of the tunnelling current indicates the occurrence of a Coulomb staircase at room temperature and reveals a new phenomenon which shows the appearance of regions with negative resistance.
引用
收藏
页码:2534 / 2538
页数:5
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