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Updated: May 1, 2026

Synthesis of Zeolites Using the ADOR Assembly-Disassembly-Organization-Reassembly Route

Synthesis of Zeolites Using the ADOR Assembly-Disassembly-Organization-Reassembly Route

Published on: April 3, 2016

A strategy for dose-efficient atomic-resolution OBF-STEM imaging of zeolites.

Kousuke Ooe^1,2, Takehito Seki^1,3, Kaname Yoshida²

¹Institute of Engineering Innovation, School of Engineering, the University of Tokyo, Yayoi 2-11-16, Bunkyo, Tokyo, 113-0032, Japan.

Microscopy (Oxford, England)

|April 29, 2026

Summary

This summary is machine-generated.

This study optimizes imaging conditions for scanning transmission electron microscopy (STEM) to effectively observe beam-sensitive materials like zeolites. It details how to achieve low-dose, high-resolution imaging using optimum bright-field STEM techniques.

Keywords:

Low-dose imaging OBF STEM Zeolite

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Last Updated: May 1, 2026

Synthesis of Zeolites Using the ADOR Assembly-Disassembly-Organization-Reassembly Route

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Visualization of Organelles In Situ by Cryo-STEM Tomography

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Published on: June 23, 2023

Area of Science:

Materials Science
Electron Microscopy
Nanotechnology

Background:

Observing beam-sensitive materials requires advanced imaging techniques and careful selection of imaging conditions.
Scanning transmission electron microscopy (STEM) is crucial for atomic-resolution imaging.
Low-dose imaging is essential to prevent sample damage.

Purpose of the Study:

To investigate the signal-to-noise ratio dependencies on convergence angle, sampling rates, and electron dose in optimum bright-field (OBF) STEM.
To guide the selection of optimal imaging conditions for observing beam-sensitive porous materials like zeolites.
To explore parameters for real-time OBF imaging at low doses.

Main Methods:

Investigated signal-to-noise ratio (SNR) in optimum bright-field (OBF) STEM.
Analyzed dependencies on convergence angle, sampling rates, and electron dose.
Performed atomic-resolution OBF STEM observations of zeolites.

Main Results:

Identified optimal imaging parameters for OBF STEM based on dose efficiency and SNR.
Demonstrated effective low-dose, atomic-resolution imaging of zeolites.
Provided a strategy for practical live imaging of beam-sensitive materials.

Conclusions:

The study provides a framework for optimizing OBF STEM imaging conditions for beam-sensitive materials.
Achieving low-dose, high-resolution imaging of zeolites is feasible with the proposed strategy.
This research facilitates the detailed study of delicate nanostructures.