nano-analytics

nano-analytics

neoxid GmbH specializes in the analysis of the structure, roughness and topography of surfaces and coatings as well as the composition of materials, materials and products in the range from micrometers to nanometers.
Take advantage of customized services: from the simple routine to the complex analysis - in our modern laboratory with diverse examination methods and analysis procedures, such as scanning electron microscopy (SEM) with connected EDX spectrometers (EDX) for micro area analysis or atomic force microscopy (AFM) for surface imaging.

Would you like to have the surface structure of a sample examined? Or its composition? Or does your coating stick poorly and you want to find out why?

We are an innovative team of physicists, chemists and engineers with decades of experience in the field of surface technology and analytics and can help you. In consultation with you, we create an individual workflow for carrying out the various analytical procedures. In a comprehensible and result-oriented final report, we summarise our assessments and evaluations in a nutshell. We are always at your disposal for questions and advice.

Here you will find an overview of our analytical methods with further information:

Scanning Electron Microscopy

SEM/EDX

A primary electron beam is generated with the aid of an electrode cathode and acceleration towards the anode, and then focused as finely as possible on the surface of the sample to be examined by means of subsequent electromagnetic lenses. In the probe, secondary electrons (SE), backscattering electrons (BSE) and X-rays are generated in an interaction volume dependent on the acceleration voltage and the material composition. The energy of the X-ray radiation depends on the atomic number of the emitting atom and is therefore "characteristic" of the element in question. All these signals can be registered with appropriate detectors. Corresponding topography, material and/or element contrasts can thus be imaged.

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Scanning Probe Microscopy

SPM

Scanning probe microscopy (SPM) is based on a controlled scanning movement of a pointed probe in close proximity to the sample surface. The obtained three-dimensional image information includes structures and roughness down to the atomic scale as well as local material properties. While scanning tunneling microscopy (STM) is limited to electrically conductive materials, the variants of scanning force microscopy (AFM) also allow the investigation of insulator surfaces.

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X-ray photoelectron spectroscopy

XPS

Photoelectron spectroscopy is based on the photoelectric effect: By excitation with photons, electrons are released from atoms, molecules or solids whose kinetic energy is determined. Depending on the excitation source, a distinction is made between XPS (X-Ray Photoelectron Spectros- copy, excitation with X-rays, Eprim > 100 eV) and UPS (Ultraviolet Photoelectron Spectroscopy, excitation with UV radiation), Eprim < 100 eV).

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Time of flight secondary mass spectroscopy

TOF-SIMS

Secondary ion mass spectrometry (SIMS) is one of the ion beam techniques. The sample is fired at with primary ions, which can be monatomic or cluster ions, with an energy of 0.2-25keV. This produces neutral, positively and negatively charged particles.

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Fourier Transform Infrared Spectroscopy (FTIR)

FTIR

Fourier transform infrared spectroscopy is a method for the (spatially resolved) analysis of functional groups of organic and inorganic materials and liquids. In IR spectroscopy, the probe to be examined is irradiated or penetrated with infrared light and the absorption loss that occurs at certain wave numbers is recorded in the IR spectrometer.

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Auger electron spectroscopy (AES)

AES

Auger electron spectroscopy (AES) measures the kinetic energies of Auger electrons, which emit a substance when excited with electron radiation. The kinetic energy of the Auger electron is characteristic of individual chemical elements and can therefore be used for elemental analysis. An electron is knocked out of an inner shell by the electron bombardment and filled from a higher level by an electron. The energy released is either emitted as X-rays or transferred without radiation to another (neighbouring) electron, which is then released.

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