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Structural and morphological properties of metallic thin films grown by pulsed laser deposition for photocathode application
Università del Salento, Dipartimento di Matematica e Fisica “E. De Giorgi”and Istituto Nazionale di Fisica Nucleare, Lecce, Italy.
Università del Salento, Dipartimento di Matematica e Fisica “E. De Giorgi” and Istituto Nazionale di Fisica Nucleare, Lecce, Italy.
Università del Salento, Dipartimento di Matematica e Fisica “E. De Giorgi” and Istituto Nazionale di Fisica Nucleare, Lecce, Italy.
Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, Frascati, Italy.
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2016 (English)In: Applied Physics A: Materials Science & Processing, ISSN 0947-8396, E-ISSN 1432-0630, Vol. 122, no 3, 1-5 p.Article in journal (Refereed) Published
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Text
Abstract [en]

In this work yttrium and lead thin films have been deposited by pulsed laser deposition technique and characterized by ex situ different diagnostic methods. All the films were adherent to the substrates and revealed a polycrystalline structure. Y films were uniform with a very low roughness and droplet density, while Pb thin films were characterized by a grain morphology with a relatively high roughness and droplet density. Such metallic materials are studied because they are proposed as a good alternative to copper and niobium photocathodes which are generally used in radiofrequency and superconducting radiofrequency guns, respectively. The photoemission performances of the photocathodes based on Y and Pb thin films have been also studied and discussed.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2016. Vol. 122, no 3, 1-5 p.
Keyword [en]
Condensed Matter Physics, Optical and Electronic Materials, Nanotechnology, Characterization and Evaluation of Materials, Surfaces and Interfaces, Thin Films, Operating Procedures, Materials Treatment
National Category
Physical Sciences Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-125515DOI: 10.1007/s00339-016-9717-3ISI: 000371041700021OAI: oai:DiVA.org:liu-125515DiVA: diva2:906748
Note

Funding agencies: Italian National Institute of Nuclear Physics (INFN); Italian Ministry of Research [RBFR12NK5 k]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [2009-00971]

Available from: 2016-02-25 Created: 2016-02-25 Last updated: 2017-02-27Bibliographically approved

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