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儀器簡介：
Hemispherical Electron Energy Analyser，Surface Science Products
技術參數：
RESOLVE ANALYSER
半徑: 120mm
反轉角度: 180 deg.
透鏡型號: Multi-element high transmission
入口狹縫: 6 sets positioned at entrance to hemispheres， used to vary analysed area
at the sample (also one factor determining energy resolution)
5x10mm 2.5x10mm 1x10mm 5mm? 2.5mm? 1mm?
( alternative slits / aperture sizes by special request )
分析區(qū)域： at the sample is approximately the same as the input slit size， the lens
having nominal magnification of X 1
出口狹縫:
RESOLVE MCD5 has ‘Standard’ and ‘High’ resolution defining exit slit mechanism which
is independent of the entrance slits)
磁場屏蔽: Fully enclosed Mu-metal internal shielding of hemispheres and lens
真空框體: Stainless steel
安裝法蘭: DN100CF 6” / 150mm O.D. CF ( DN63CF 114mm OD CF version available )
工作距離: 40mm sample to end of lens.
樣品到法蘭: Adaptable to suit analysis chamber.
RESOLVE ELECTRONICS
RESOLVE控制單元.
Computer controlled using SPECTRA data system (supplied).
能量范圍: 0 to 2000eV ( 0 to 3000eV option ) (note: for electrons detection only )
操作模式:
CPE mode (Constant Pass Energy) 0.5， 1， 2， 5， 10， 20， 50， 100eV
CRR mode:(Constant Retard Ratio) 2， 5， 10， 20， 50， 100
檢測器電子部件:
SCD Model #701 single channel pre-amp / discriminator with TTL level output to PC interface.
MCD5: Model #705 five channel pre-amp/discriminator with TTL level outputs to PC interface.
MCD 16: Model # 716 pre-amplifier / discriminator / counter in one. PC interface.
檢測器選擇:
SCD: Single channel detector - channeltron
MCD5: Five channeltron electron multiplier array， low resistance high dynamic range
multipliers.
MCD16: Demountable 16 channel MCD using micro channel plate MCP pair and gold strip
collector.
典型XPS功能數據
SCD: 500 Kc/s on Ag 3d5/2 at 1.0eV FWHM with Mg K alpha at 300W.
MCD5/16: 2，500 Kc/s on Ag 3d5/2 at 1.0eV FWHM with Mg K alpha at 300W.
數據系統(tǒng)
SPECTRA software v8 with SPCI721F PCI interface card.
PC / Windows based
COLLECT data acquisition package and PRESENTS data processing package
ASCII code data storage format
Mouse / menu driven.
Stored / recalled Multi-region setup with software control of all analyser parameters e.g.
Energy scan ， Analyser Pass Energy， CPE/CRR mode， step size， repetitive scans， dwell time etc.
Curve fitting， background removal， smoothing， de-spike， deconvolution， FWHM measurement.
Screen shot of SPECTRA with multi-region window and FWHM window open.
主要特點：
¨ 大型高透射半球形電子能量分析器--120mm半徑.
¨ 全程180度反轉角度.
¨ 邊緣界線區(qū)域校正--使用Jost電極.
¨ Fully magnetically screened m-metal lined vacuum housing.
¨ 電腦控制電源.
¨ 多個光學置入透鏡.
¨ 6個可選入口狹縫，決定了分析區(qū)域.
¨ 單通道或多通道檢測器可選
¨ 多通道檢測器可具有標配的高分辨出口狹縫
¨ SPECTRA V8軟件用于數據采集和處理.
小型電子能量分析器，專業(yè)用于俄歇電子能譜和光電子能譜：
Mounting on 2.75" (70 mm) flange
Retractable with linear motion feedthrough
General electron energy analysis including Auger and Photoelectron spectroscopy
Double-pass optics with energy resolution better than 1.5%
Ideal for experiments not accessible by conventional bulky analyzers
Combine with the RVL2000 LEED optics for a low-cost， high-performance LEED/Auger system
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