Advanced microheater for in situ transmission electron microscopy; enabling unexplored analytical studies and extreme spatial stability.

  title={Advanced microheater for in situ transmission electron microscopy; enabling unexplored analytical studies and extreme spatial stability.},
  author={J. Tijn van Omme and Marina Zakhozheva and Ronald G. Spruit and Mariya Sholkina and H. Hugo P{\'e}rez Garza},

Precise Drift Tracking for In Situ Transmission Electron Microscopy via a Thon-Ring Based Sample Position Measurement

Abstract Visualizing how a catalyst behaves during chemical reactions using in situ transmission electron microscopy (TEM) is crucial for understanding the activity origin and guiding performance

Advanced preparation of plan-view specimens on a MEMS chip for in situ TEM heating experiments

In situ transmission electron microscopy (TEM) is a powerful tool for advanced material characterization. It allows real-time observation of structural evolution at the atomic level while applying

Enabling In Situ Studies of Metal-Organic Chemical Vapor Deposition in a Transmission Electron Microscope

Abstract The world of environmental microscopy provides the possibility to study and analyze transformations and reactions during realistic conditions to understand the processes better. We report on

TEM sample preparation using micro-manipulator for in-situ MEMS experiment

By adopting the manipulator system, several types of samples from nano-wires to plate-like thin samples were transferred on micro-electro mechanical systems (MEMS) chip in a single step and the control of electrostatic force between the sample and the probe tip is found to be a key role in transferring process.

Atomic-Resolution Cryo-STEM Across Continuously Variable Temperatures

A new side-entry continuously variable temperature dual-tilt cryo-holder which integrates liquid nitrogen cooling with a 6-pin micro-electromechanical system (MEMS) sample heater is tested to overcome some of the experimental challenges of large-scale sample drift.

Liquid phase transmission electron microscopy with flow and temperature control

Liquid phase transmission electron microscopy has become a powerful tool for imaging the structure and dynamics of materials in solution. Direct observation of material formation, modification and

Quantifying Real-Time Sample Temperature Under the Gas Environment in the Transmission Electron Microscope Using a Novel MEMS Heater

A home-made micro-electrical-mechanical-system (MEMS) heater with unprecedented small temperature gradient and thermal drift is developed, which not only enables the temperature evolution caused by gas injection to be measured in real-time but also makes the key heat dissipation path easier to model to theoretically understand and predict the temperature decrease.

Quantification of extreme thermal gradients during in situ transmission electron microscope heating experiments

A methodology is described to generate thermal gradients across a TEM specimen by modifying a commercially available MEMS-based heating stage, and it was found that a specimen placed next to the metallic heater, over a window, cut by FIB milling, does not disrupt the overall thermal stability of the device.

In Situ Local Temperature Mapping in Microscopy Nano‐Reactors with Luminescence Thermometry

In situ and operando experiments play a crucial role in understanding the mechanisms behind catalytic processes. In these experiments it is important to have precise control over pressure and



In situ transmission electron microscopy studies enabled by microelectromechanical system technology

We have designed and fabricated a standardized specimen holder that allows the operation of a microelectromechanical system (MEMS) device inside a transmission electron microscope (TEM). The details

A MEMS‐based heating holder for the direct imaging of simultaneous in‐situ heating and biasing experiments in scanning/transmission electron microscopes

MEMS‐based TEM sample holders are becoming one of the preferred choices, also enabling a high precision in measurements of the in‐situ parameter for more reproducible data.

A Review on Development and Optimization of Microheaters for High-Temperature In Situ Studies

Microelectromechanical systems (MEMS)-based sample carriers became a breakthrough for in situ inspection techniques, especially in transmission electron microscopy where the sample carrier functions

A new MEMS‐based system for ultra‐high‐resolution imaging at elevated temperatures

The laboratory is developing an advanced capability for in situ heating experiments that overcomes a number of performance problems with standard heating stage technologies and has direct applicability for remote operation and for gas reaction experiments using a specially designed environmental cell.

In Situ Heating Transmission Electron Microscopy

Temperature is one of the most important factors affecting the state and behavior of materials. In situ heating transmission electron microscopy (TEM) is a powerful tool for understanding such

Closed Cell Systems for In Situ TEM with Gas Environments Ranging from 0.1 to 5 Bar

The ability to carry out reactions with gas mixtures in a TEM is becoming an increasingly important field of study, known as environmental transmission electron microscopy (ETEM). Different

MEMS-based nanoreactor for in situ analysis of solid–gas interactions inside the transmission electron microscope

A nanoreactor-based system for in situ analysis of solid–gas interactions inside the transmission electron microscope, referred to as the ‘climate system’, is introduced here. The latter uses an