RISE/EDS – Correlative Raman-SEM Microscope with EDS

Brochure

Powerful Molecular and Elemental Material Characterisation in one solution

Raman Imaging and Scanning Electron (RISE®) microscopy combined with energy-dispersive X-ray spectroscopy (EDS) offers comprehensive sample characterisation at the nanoscale.

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The RISE/EDS Technique - the perfect match

RISE Microscopy

RISE instruments seamlessly integrate confocal Raman imaging and scanning electron microscopy (SEM). They incorporate the sensitivity and non-destructive nature of Raman spectroscopy with the atomic resolution of electron microscopy.

Raman imaging enables the identification of molecules, their allotropes and polymorphs, the determination of their orientation, purity and crystallinity, and the detection of strain states. SEM allows for the imaging of surface structures on the nanometer scale.

EDS Microscopy

EDS (Energy Dispersive X-ray Spectroscopy) is a technique for elemental and compositional analysis based on the detection and analysis of X-rays produced by electron irradiation of a sample. Ionisation causes an inner-shell electron of constituent atoms to be ejected. This creates a vacancy in the electron orbital.

An electron from an outer shell, with a higher energy level, transfers to the inner shell to stabilise it, and an X-ray is emitted during this process. This so-called characteristic X-ray has a specific energy value for each element. From such signals, it is possible to determine microstructure, composition and crystal structure.

Benefits

	RISE	EDS
Detailed insight	Molecular and bonding information, crystallinity, material stress and strain, crystal orientation	Elemental quantitation and distribution, microstructure and crystal structure
Wide-ranging analysis	Sub-micron and large-area molecular information, 3D chemical imaging	Point analysis,large area mapping, particle analysis
Dynamic vision	Analysis of chemical processes possible	Live Chemical Imaging in real time with AZtecLive
Multimode operation	Independent Raman operation, Raman-SEM image correlation	Simultaneous SEM and EDS data acquisition

Application Examples

Battery materials

Investigation of battery cathode materials. EDS (top row) reveals the distribution of the individual metallic elements. RISE delivers complementary information on microstructure and the distribution of chemical components along with the carbon matrix.