Center for Electron Microscopy and Analysis - CEMAS

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Columbus, OH
Center for Electron Microscopy and Analysis - CEMAS

CEMAS is the center that breaks through the current limitations in medicine, environmental science,

Current and future challenges in medicine, healthcare, environment, energy and technology need increasingly to be addressed on length scales ranging from millimetres to the scale of individual atoms. The delivery of novel solutions in cancer therapies, diseases of an aging population, sustainable development of functional and structural materials demands a multidisciplinary approach to research. The mission of the Center for Electron Microscopy and AnalysiS (CEMAS) is to disrupt the stratification of disciplines in the characterization of materials. We will bring together multidisciplinary expertise to drive synergy and amplify our characterisation capabilities, and thus challenge what is possible in analytical electron microscopy.

11/10/2025

Happy 🔬 This SEM backscattered electron micrograph, taken by PhD student Bryan Crossman, shows a three-dimensional, Christmas tree–like dendrite in a Ta₆₀Re₄₀ (at.%) refractory alloy, captured on the Apreo 1 at CEMAS.

The dendrite reveals the sequential growth of primary, secondary and tertiary arms as lower-melting elements solidified and were progressively depleted in the surrounding melt. The structure was exposed inside a solidification void, providing a rare 3D view of dendritic growth mechanisms.

11/07/2025

On the Scope registration is open! Learn the fundamentals + advanced techniques of scanning electron microscopy from CEMAS experts 🔬 Online learning begins April 1 and in-person labs take place in May!

On The Scope – A Masterclass in Practical Scanning Electron Microscopy, is an online training program covering the fundamentals of scanning electron microscopy (SEM) operation, provided by The Ohio State University College of Engineering and Center for Electron Microscopy and Analysis.

09/22/2025

Take a cool image at CEMAS? Share it with us! We'd love to see how CEMAS has impacted your work.

Every day, CEMAS users are collecting data that are as much relevant to the scientific community as they are creative, artistic and beautiful. With hundreds of visitors to CEMAS each year, this is the opportunity for you to showcase your work.

Breadcrumb Home RESEARCH Image Submission Image Submission SnO2 nanowires were grown from commercial FTO slides using the vapor-liquid-solid (VLS) method forming the backbone of these long strands. These were placed in a microwave-assisted hydrothermal chamber where TiO2 nanorods nucleated radially....

08/27/2025

Each spring, CEMAS hosts On the Scope, a program designed for industry professionals seeking to learn how to operate and perform analysis with SEMs. After learning from online lectures, participants get lab time to get hands-on experience imaging samples.

Learn more about the course:

Masterclass provides opportunity to learn from SEM experts

07/18/2025

MicroCT at CEMAS allows users to gain valuable insight from internal structures with 3D imaging.

Anthropology Assistant Professor Habiba Chirchir is using MicroCT to see bone density of different species of mammals, specifically looking to understand why humans and other close relatives now have light bodies compared to those in the fossil record. 🦴

Professor Habiba Chirchir uses CEMAS' Heliscan to get a closer look at mammal and primate bones

07/09/2025

CEMAS has two X-ray diffractometers, a Rigaku SmartLab and a Rigaku MiniFlex, that can help users determine the atomic and molecular structure of materials, particularly crystalline substances.

https://cemas.osu.edu/capabilities/x-ray-diffraction-xrd

Address

1305 Kinnear Road
Columbus, OH
43212

Website

http://cemas.osu.edu/

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CEMAS: the materials characterization hub.

Current and future challenges in medicine, healthcare, environment, energy and technology need increasingly to be addressed on length scales ranging from millimeters to the scale of individual atoms. The delivery of novel solutions in cancer therapies, diseases of an aging population, sustainable development of functional and structural materials demands a multidisciplinary approach to research. With one of the largest concentrations of electron and ion beam analytical microscopy instruments in any North American institution, CEMAS brings together multidisciplinary expertise to drive synergy, amplify characterization capabilities, and challenge what is possible in analytical electron microscopy.

Our full-service facility - from extensive sample preparation laboratories to image-processing tools and support - allows researchers to carry out their entire microscopy and analysis program at CEMAS. Located in a custom designed facility on The Ohio State University's West Campus, every instrument in the facility meets or exceeds manufacturer performance specifications.

Our world-class multidisciplinary approach enables academic and business partners to "see more" than ever before.