Temperature Dependence of the Preexponential Factors of the Field Emission Flicker Noise Cross-Correlation Function for W(110)K

• Authors: A. Dąbrowski , Ch. Kleint
• Languages of publication: EN

Abstracts

EN

In a field emission tube with two probe-holes the cross-correlation functions of current fluctuations from potassium submonolayers on tungsten have been investigated. The measurements were carried out in the temperature range of 290-430 K and with coverages between 0.05 and 0.87. The experimental correlation curves were approximated by a sum of three exponential functions revealing three components with different time constants τ_{i} and amplitudes R. The temperature dependence of the amplitudes R_{2} and R_{3} is discussed in terms of collective flip-flop processes.

Keywords

EN

79.70.+q; 68.90.+g

Discipline

• 79.70.+q: Field emission, ionization, evaporation, and desorption
• 68.90.+g: Other topics in structure, and nonelectronic properties of surfaces and interfaces; thin films and low-dimensional structures (restricted to new topics in section 68)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1992
• Volume: 81
• Issue: 4-5
• Pages: 583-588

Dates

published

1992-04

received

1992-03-19

Contributors

author

A. Dąbrowski

• Institute of Experimental Physics, Wrocław University, 50-205 Wrocław, Cybulskiego 36, Poland

author

Ch. Kleint

• Sektion Physik, Leipzig Universität, 0-7010 Leipzig, Linnéstrasse 5, Germany

Identifiers

DOI

10.12693/APhysPolA.81.583