Imaging XPS Microprobe for Multiple Surface Analysis Techniques


Thermo Fisher was formed through the merger of Thermo Electron and Fisher Scientific in 2006.
Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Thermo Fisher Scientific Inc mission is to enable customers to make the world healthier, cleaner and safer. Whether customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies. Thermo Fisher Scientific Inc. brand includes: Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD. Business is divided into four segments: Life Science Solutions, analytical instruments, specialty diagnostics, and laboratory products and biopharma services.

THERMOFISHER SCIENTIFIC

ESCALAB 250

Electron Analyzer: Double-focusing full 180° spherical sector analyzer Magnetic and multi-element electrostatic input lenses Multi-channel spectroscopic detector X-ray: AlKα X-ray Source Microfocused electron gun Multi-position aluminum anode Two toroidal quartz crystals

Electron Flood Gun: Charge compensation Digital control

Ion Source: Manual control Depth profiling Sample cleaning Secondary electron imaging ISS

Automated 4-axis Sample Manipulator

Avantage Software for Data Acquisition and Analysis

Instrument control: Data acquisition and processing, peak fitting Multi-sample, multi-point data acquisition Unattended data acquisition

Sample Options: 5-axes sample manipulator In main chamber sample heating and cooling

UV Photoelectron Spectroscopy (UPS): High intensity UV lamp Helium gas admission system

95nm-resolution AES/SEM/SAM Electron Gun: Schottky type field emission source SEM detector

The combination of high efficiency lenses and detectors on ESCALAB 250 ensure the highest sensitivity in X-ray photoelectron spectroscopy (XPS) applications.

High speed acquisition Excellent sensitivity with spatial resolution 106 counts/s in normal operating conditions (0.6 eV at FWHM, Ag sample) Maximum chemical detectability

Energy Resolution

ESCALAB 250 provides excellent energy resolution by combining an advanced analyzer design with a twin crystal microfocusing X-ray monochromator.

Identification and quantification of chemical states Resolve interfaces and overlapping peaks

Auger Electron Spectroscopy: 95 nm spot size at 5 nA SEM and SAM imaging

Small Area XPS: defined by x-rays gun small area from 120μm to 650μm

Insulating samples are analyzed using charge compensation with e- and Ar+ flood guns.

Sample Preparation Samples should be less than 14mm, preferred size is about 3-5mm. The sample thickness should be less than 3mm

ESCALAB 250

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