Detail publikačního výsledku

Transition radiation in EELS and cathodoluminescence

STÖGER-POLLACH, M.; KACHTÍK, L.; MIESENBERGER, B.; RETZL, P.

Originální název

Transition radiation in EELS and cathodoluminescence

Anglický název

Transition radiation in EELS and cathodoluminescence

Druh

Článek WoS

Originální abstrakt

The excitation probability of transition radiation is measured for varying beam energies in a transmission electron microscope once using optical spectrometry of the emitted light and second using electron energy loss spectrometry. In both cases similar results are found being in good agreement with theory. The knowledge about this probability enables us to judge whether or not transition radiation has to be considered in EELS and CL data interpretation. Additionally it is shown that the emission of transition radiation happens at the sample surfaces only, when the electron passes the vacuum/sample interface and thud feeling the change of its dielectric environment. We demonstrate that in the case of aluminum the influence of transition radiation on the low loss EELS spectrum is only minor and conclude that it might be negligible for many other materials.

Anglický abstrakt

The excitation probability of transition radiation is measured for varying beam energies in a transmission electron microscope once using optical spectrometry of the emitted light and second using electron energy loss spectrometry. In both cases similar results are found being in good agreement with theory. The knowledge about this probability enables us to judge whether or not transition radiation has to be considered in EELS and CL data interpretation. Additionally it is shown that the emission of transition radiation happens at the sample surfaces only, when the electron passes the vacuum/sample interface and thud feeling the change of its dielectric environment. We demonstrate that in the case of aluminum the influence of transition radiation on the low loss EELS spectrum is only minor and conclude that it might be negligible for many other materials.

Klíčová slova

Transition radiation; EELS; Cathodoluminescence

Klíčová slova v angličtině

Transition radiation; EELS; Cathodoluminescence

Autoři

STÖGER-POLLACH, M.; KACHTÍK, L.; MIESENBERGER, B.; RETZL, P.

Rok RIV

2021

Vydáno

01.02.2017

Nakladatel

ELSEVIER SCIENCE BV

Místo

AMSTERDAM

ISSN

0304-3991

Periodikum

ULTRAMICROSCOPY

Svazek

173

Číslo

1

Stát

Nizozemsko

Strany od

31

Strany do

35

Strany počet

5

URL

https://www.sciencedirect.com/science/article/pii/S0304399116303412?via%3Dihub

BibTex

@article{BUT171011,
  author="Michael {Stöger-Pollach} and Lukáš {Kachtík} and Bernhard {Miesenberger} and Philipp {Retzl}",
  title="Transition radiation in EELS and cathodoluminescence",
  journal="ULTRAMICROSCOPY",
  year="2017",
  volume="173",
  number="1",
  pages="31--35",
  doi="10.1016/j.ultramic.2016.11.020",
  issn="0304-3991",
  url="https://www.sciencedirect.com/science/article/pii/S0304399116303412?via%3Dihub"
}