IMS 1300-HR³

The Large Geometry Secondary Ion Mass Spectrometer (LG-SIMS) optimized for applications in geochronology, cosmochemistry, and environmental studies. Features include a versatile multicollector system and advanced ion imaging capabilities.

• Status: Active
• Country: France
• Isotopic: Yes
• Elemental: Yes
• Type of measurable elements: Most of elements, isotopes, and molecular species
• Measurable isotopes/elements: Covers isotopes such as C, O, S, Li, B, Mg, and Pb
• Analyzer type : Magnetic Sector MS
• Ion source type: High-brightness RF plasma oxygen source and cesium source for both positive and negative secondary ions
• Inlet types: Sample holders with automated storage chamber
• Mass range : suitable for isotopes from Li to U
• High Resolution : Yes
• Mass resolution/ Mass resolving power : Up to 20,000 (50% definition)
• Multicollector : Yes
• Collectors qty : 7 collectors (including Faraday Cups and Electron Multipliers)
• Dynamic range : High, allowing for simultaneous detection of isotopes with large abundance differences
• Detection limits : ppm to ppb levels
• Detector type : Faraday Cups (with low noise 10¹² Ω resistors optional) and discrete dynode Electron Multipliers
• Primary beam : Cs+ and O− with high brightness for sub-µm lateral resolution
• Spatial resolution : Sub-micron lateral resolution
• Depth profile : High depth resolution with dynamic SIMS capabilities
• Camera : High-resolution UV-light optical system for imaging
• Geometry type : Double-focusing magnetic sector geometry
• Focusing type : Double focusing with advanced ion optics
• Vacuum system : Ultra-high vacuum (UHV) system with Pfeiffer turbo-molecular pumps
• Gas supply: Oxygen flooding for sensitivity improvement