仪器简介：

Hemispherical Electron Energy Analyser，Surface Science Products

技术参数：

RESOLVE ANALYSER

半径: 120mm

反转角度: 180 deg.

透镜型号: Multi-element high transmission

入口狭缝: 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 )

分析区域： at the sample is approximately the same as the input slit size， the lens

having nominal magnification of X 1

出口狭缝:

RESOLVE MCD5 has ‘Standard’ and ‘High’ resolution defining exit slit mechanism which

is independent of the entrance slits)

磁场屏蔽: Fully enclosed Mu-metal internal shielding of hemispheres and lens

真空框体: Stainless steel

安装法兰: DN100CF 6” / 150mm O.D. CF ( DN63CF 114mm OD CF version available )

工作距离: 40mm sample to end of lens.

样品到法兰: Adaptable to suit analysis chamber.

RESOLVE ELECTRONICS

RESOLVE控制单元.

Computer controlled using SPECTRA data system (supplied).

能量范围: 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

检测器电子部件:

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.

检测器选择:

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功能数据

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.

数据系统

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.

主要特点：

¨ 大型高透射半球形电子能量分析器--120mm半径.

¨ 全程180度反转角度.

¨ 边缘界线区域校正--使用Jost电极.

¨ Fully magnetically screened m-metal lined vacuum housing.

¨ 电脑控制电源.

¨ 多个光学置入透镜.

¨ 6个可选入口狭缝，决定了分析区域.

¨ 单通道或多通道检测器可选

¨ 多通道检测器可具有标配的高分辨出口狭缝

¨ SPECTRA V8软件用于数据采集和处理.

小型电子能量分析器，专业用于俄歇电子能谱和光电子能谱：

Electron Energy Analyzer

Performance Features

• 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