Four Transmission Electron Microscopes (JEOL Grand ARM 300CF, Nion UltraSTEM 200, JEOL 2800, and 2100F) are located within the Center for Transmission Electron Microscopy (CTEM) on the 1st floor ( rooms from 1121 to 1151) of Engineering Hall ( UCI campus building 308). CM20 is in the Materials Characterization Center (MC2) on the 1st floor of Engineering Tower ( UCI campus building 303). For general inquiries and feedback, you can write to Dr. Toshihiro Aoki or submit through the Suggestion Portal on the left sidebar. For questions regarding specific techniques or instruments, please contact corresponding Supporting Staff members.

Dr. Toshihiro Aoki (Project Scientist & TEM Leader)

Dr. Li Xing (Project Scientist in TEM focusing on biology & cryo-EM)

Dr. Mingjie Xu (Assistant Specialist in TEM)

Dr. Wenjie Zang (Super user for Grand ARM)

Dr. Moaz Waqur (Super user for Grand ARM)

Ms. Rakia Dhaoui (Lab Assistant for Cryo-EM)

Ms. Eshana Better (Lab Assistant for Cryo-EM)

Ms. Jenna Wardini (Lab Assistant for Grand ARM/2800)

Mr. Hongkui Zheng (Lab assistant for JEOL 2800)

Mr. Griffin Milligan (Lab assistant for JEOL 2800 and Grand ARM)

Dr. Jian-Guo Zheng (Director of Facilities)

Grand ARM SOP Volume 1

Grand ARM SOP Volume 2 

Grand ARM Holder picture upload

JEOL 2100F SOP

JEOL 2800 SOP

Liquid Nitrogen Safety SOP

Liquid Nitrogen Safety Training completion Form 

Instruction VIDEO

JEOL 2800

1. First user of the day
2. Inserting a Dummy Holder
3. Retracting a Dummy Holder
4. Inserting a DTH
5. Retracting a DTH
6. TEM alignment Procedure

All instruments are open-access to users from on-campus and off-campus academic institutions, and commercial sectors. Usage is billed following standard Recharge Rates. To schedule instrument usage, please go to the IMRI Facility Management System.

To gain access to the instruments and CTEM Labs, please refer to the Become A User page for general access information. Once an active IMRI account is established, you can sign-up for instrument training HERE.

We also offer staff-operated testing services to all registered users. To arrange for a test service, please go to Request Testing Service.