久久综合久久美利坚中国_中曰韩无码视频_久久97久久97精品免视看_黄网址免费永久在线观看免费

儀器簡介：

Hemispherical Electron Energy Analyser，Surface Science Products

技術(shù)參數(shù)：

RESOLVE ANALYSER

半徑: 120mm

反轉(zhuǎn)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(shù)據(jù)

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(shù)據(jù)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(zhuǎn)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(shù)據(jù)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：

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