CIQTEK Unveils 4D-STEM Solution for Advanced Electron Microscopy
CIQTEK Unveils 4D-STEM Solution for Advanced Electron Microscopy
September 28, 2025
Four-dimensional scanning transmission electron microscopy (4D-STEM) is one of the most cutting-edge directions in electron microscopy. By performing a two-dimensional scan across the sample surface while recording a full diffraction pattern at each scan point with a pixelated detector, 4D-STEM generates a four-dimensional dataset containing both real-space and reciprocal-space information.
This technique breaks through the limitations of conventional electron microscopy that typically collects only a single scattering signal. Instead, it captures and analyzes the entire spectrum of electron–sample interactions. With 4D-STEM, researchers can achieve multiple advanced functionalities within a single experiment, including virtual imaging, crystal orientation and strain mapping, electric and magnetic field distribution analysis (differential phase contrast), and even atomic-resolution reconstruction through diffraction stacking. It greatly expands the dimensionality and depth of materials characterization, offering an unprecedented tool for nanoscience and materials research.
At the Chinese National Conference on Electron Microscopy 2025 (Sept 26–30, Wuhan), CIQTEKreleases its 4D-STEM solution, designed to break through the boundaries of traditional imaging and deliver data with unmatched dimensionality and analytical power.
System Workflow
The CIQTEK 4D-STEM solution features high spatial resolution, multi-dimensional analysis, low-dose operationto minimize beam damage, and flexible data processing, providing researchers with reliable and outstanding methods for advanced materials analysis.
Ultra-High Resolution Field Emission Scanning Electron Microscopy (FESEM) The CIQTEK SEM5000X is an ultra-high resolution FESEM with optimized electron optics column design, reducing overall aberrations by 30%, achieving ultra-high resolution of 0.6 nm@15 kV and 1.0 nm@1 kV. Its high resolution and stability make it advantageous in advanced nano-structural materials research, as well as the development and manufacturing of high-technology node semiconductor IC chips.
Ga+ Focused Ion Beam Field Emission Scanning Electron Microscope The CIQTEK DB550 Focused Ion Beam Scanning Electron Microscope (FIB-SEM) has a focused ion beam column for nano-analysis and specimen preparation. It utilizes “super tunnel” electron optics technology, low aberration, and non-magnetic objective design, and has the “low voltage, high resolution” feature to ensure its nanoscale analytical capabilities. The ion columns facilitate a Ga+ liquid metal ion source with highly stable and high-quality ion beams to ensure nanofabrication capabilities. The DB550 is an all-in-one nano-analysis and fabrication workstation with an integrated nano-manipulator, gas injection system, and user-friendly GUI software.
Ultra High-Resolution Tungsten Filament Scanning Electron Microscope The CIQTEK SEM3300 Scanning Electron Microscope (SEM) incorporates technologies such as "Super-Tunnel" electron optics, inlens electron detectors, and electrostatic & electromagnetic compound objective lens. By applying these technologies to the tungsten filament microscope, the long-standing resolution limit of such SEM is surpassed, enabling the tungsten filament SEM to perform low-voltage analysis tasks previously only achievable with field emission SEMs.