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Titolo:
MICROANALYSIS SURFACE STUDIES AND PHOTOEMISSION PROPERTIES OF CSI PHOTOCATHODES
Autore:
ALMEIDA J; BRAEM A; BRESKIN A; BUZULUTSKOV A; CHECHIK R; COHEN S; COLUZZA C; CONFORTO E; MARGARITONDO G; NAPPI E; PAIC G; PIUZ F; DELLORTO T; SCOGNETTI T; SGOBBA S; TONNER BP;
Indirizzi:
WEIZMANN INST SCI REHOVOT ISRAEL WEIZMANN INST SCI REHOVOT ISRAEL CERN CH-1211 GENEVA SWITZERLAND EPFL LAUSANNE SWITZERLAND IST NAZL FIS NUCL I-70126 BARI ITALY SUBATECH NANTES FRANCE UNIV WISCONSIN,CTR SYNCHROTRON RADIAT STOUGHTON WI 53589
Titolo Testata:
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
fascicolo: 1-3, volume: 367, anno: 1995,
pagine: 337 - 341
SICI:
0168-9002(1995)367:1-3<337:MSSAPP>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
TMAE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
12
Recensione:
Indirizzi per estratti:
Citazione:
J. Almeida et al., "MICROANALYSIS SURFACE STUDIES AND PHOTOEMISSION PROPERTIES OF CSI PHOTOCATHODES", Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 367(1-3), 1995, pp. 337-341

Abstract

We present recent results of the study of surface properties and quantum efficiency (QE) of CsI photocathodes prepared on various substrates. Microanalysis methods provide laterally resolved surface morphologyand chemical composition of the photoemissive film. Integral measurements of the QE of CsI were done with a monochromator system and a RICHdevice. It was shown that CsI films deposited on large area Ni- or Ni-Au-coated printed circuit electrodes have a uniform crystalline structure and an average QE close to that reached on polished stainless steel. The films have a good stability in air over periods of Ih. On a microscopic scale of 3-30 mu m, the films exhibit nonuniform emission properties correlated with variations in the chemical composition.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 19:59:54