48-Channel electron detector for photoemission spectroscopy and microscopy

被引:76
作者
Gregoratti, L
Barinov, A
Benfatto, E
Cautero, G
Fava, C
Lacovig, P
Lonza, D
Kiskinova, M
Tommasini, R
Mähl, S
Heichler, W
机构
[1] Sincrotrone Trieste, I-34012 Trieste, Italy
[2] SPECS GmbH, D-13355 Berlin, Germany
关键词
D O I
10.1063/1.1630837
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We show that it is possible to use a multichannel electron detector in a zone plate based photoemission spectromicroscopy in a snap shot mode to reduce the total acquisition time for a given counting time by 50% relative to the standard scanning mode while preserving the feature of the spectra. We describe the result of tests performed at Elettra using its microbeam (150 nm) together with a 48-channel detector designed for the PHOIBOS 100 analyzer optimized for extremely small x-ray sources. We also give a short summary of the technical features of the detector and describe one possible calibration procedure for its use in the snap shot mode. We show initial results from using this device to perform chemical maps of surfaces at a resolution of 150 nm. (C) 2004 American Institute of Physics.
引用
收藏
页码:64 / 68
页数:5
相关论文
共 7 条
[1]   Spectral and spatial anisotropy of the oxide growth on Ru(0001) [J].
Böttcher, A ;
Starke, U ;
Conrad, H ;
Blume, R ;
Niehus, H ;
Gregoratti, L ;
Kaulich, B ;
Barinov, A ;
Kiskinova, M .
JOURNAL OF CHEMICAL PHYSICS, 2002, 117 (17) :8104-8109
[2]   SiC formation on Si(100) via C60 precursors [J].
De Seta, M ;
Tomozeiu, N ;
Sanvitto, D ;
Evangelisti, F .
SURFACE SCIENCE, 2000, 460 (1-3) :203-213
[3]   MICA - A MULTICHANNEL INTEGRATED CHARGE AMPLIFIER FOR THE READ-OUT OF MULTIELECTRODE DETECTORS [J].
ENZ, CC ;
KRUMMENACHER, F ;
BELLAZZINI, R .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1993, 332 (03) :543-553
[4]   An embedded control and acquisition system for multichannel detectors [J].
Gori, L ;
Tommasini, R ;
Cautero, G ;
Barnaba, M ;
Accardo, A ;
Carrato, S ;
Paolucci, G .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1999, 431 (1-2) :338-346
[5]   Spectromicroscopy of interfaces with synchrotron radiation: multichannel data acquisition [J].
Gregoratti, L ;
Marsi, M ;
Cautero, G ;
Kiskinova, M ;
Morrison, GR ;
Potts, AW .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2001, 467 :884-888
[6]   Photoelectron microscopy and applications in surface and materials science [J].
Günther, S ;
Kaulich, B ;
Gregoratti, L ;
Kiskinova, M .
PROGRESS IN SURFACE SCIENCE, 2002, 70 (4-8) :187-260
[7]   Synchrotron radiation scanning photoemission microscopy: Instrumentation and application in surface science [J].
Kiskinova, M ;
Marsi, M ;
Di Fabrizio, E ;
Gentili, M .
SURFACE REVIEW AND LETTERS, 1999, 6 (02) :265-286