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112 995 (0,238s)

Result

COLD EMISSION MODELLING

There is currently interest in the modelling of field-emitting cathodes.

JA - Elektronika a optoelektronika, elektrotechnika

  • 2009
  • D
Result

COLD EMISSION MEASURING

. In particular, much effort is being devoted to the fabrication of arrays of field emitters for use in pressure sensors. This paper describes a preparation of cold emission measuring, basic principles of cold ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2010
  • D
Result

Thermal-field electron emission W(100)/ZrO cathode: facets versus edges

the Schottky regime and the cold field emission regime. In the cold field emission regimeThe tungsten cathode in the thermal-field emission (TFE) regime can achieve. The Schottk...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2012
  • D
Result

Analysing Geometrical Effects on Electric Field Distribution in Silicon-Based Pyramid for Cold Field Emission

The study presents numerical modeling of cold field emitters (CFEs how emitter geometry and surface contaminants impact electric field distribution and emission properties, with emphasis on areas near the emitter t...

Electrical and electronic engineering

  • 2024
  • O
Result

Cleaning of tungsten tips for subsequent cold field emission application.

An important aspect of many applications involves the cleaning of crucial components, which can vary depending on their subsequent use (e.g., vacuum level, ongoing chemical reactions, sample sensitivity, etc.). In this study, we will address the clea...

Electrical and electronic engineering

  • 2023
  • O
Result

Equipment for measuring I-V curves emission cold cathodes

The equpments is desined to measurenemt I-V curves emission cold cathodes. Measurements can be carried out in the range of electrical intensity fields 0-35 V.um-1 at different substrates temperatures in UHV condtions The de...

BM - Fyzika pevných látek a magnetismus

  • 2012
  • Gfunk
Result

Cold field-emission cathode noise analysis

Noise diagnostics has been performed on the cold field-emission cathode in high-vacuum. The tested cold fieldemission cathode, based on tungsten wire with ultra-sharp tip coated by epoxy was designed to meet the re...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2012
  • Jx
  • Link
Result

PREPARATION OF COLD FIELD EMISSION CATHODES WITH ULTRA SHARP TIPS

This article deals with preparation of very sharp cold field emission cathodes made from polycrystalline tungsten wire which is widely used by other researchers and manufacturers. Common manufacturing process of electrochem...

Electrical and electronic engineering

  • 2017
  • D
  • Link
Result

Automated Electrochemical Etching Prototype for Cold Field Emission Cathodes

This article deals with a setup for automated cold cathode etching, its difficulties and benefits. As the method is well know there are no articles which describes this procedure in detail at least for tungsten wires from which ...

CF - Fyzikální chemie a teoretická chemie

  • 2016
  • D
Result

Emission Current Fluctuations vs. Beam Lightning of the Field-Emission Cathode

Paper deals with noise diagnostics which was performed on the cold field emission cathode in high-vacuum conditions (HV). Used cold field-emission cathode is designed to be used in low-voltage TEM...

BM - Fyzika pevných látek a magnetismus

  • 2012
  • D
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