Thermo Fisher Talos F200X G2 S/TEM

  • Conventional TEM bright-field/dark-field imaging, electron diffraction, and high-resolution TEM
  • Z-contrast and high-resolution STEM imaging
  • Fast EDS elemental mapping
  • Tilting series with TEM/STEM/EDS capability and 3D reconstruction
  • Differential phase contrast (DPC) imaging and Lorentz microscopy for magnetic or polarized materials

Tao Ma

Room G024 (Remote control available)

Publications, presentations, and posters resulting from work on this instrument should state: “The authors acknowledge the financial support of the University of Michigan College of Engineering and technical support from the Michigan Center for Materials Characterization.“

  • Accelerating Voltage
    • 80 and 200kV
  • Electron Source
    • X-FEG high-brightness Schottky type field emission gun
  • Vacuum
    • <1.2 × 10-5 Pa (oil-free)
  • Resolution
    • CTEM point resolution 0.25 nm, line resolution 0.12 nm, and information limit <0.12 nm with 0.10 nm attainable.
    • STEM <0.16 nm
  • EDS
    • Super-X window-less detector consists of four equal crystals with an active area of 4 × 30 mm2 and a solid angle of 0.9 srad, detecting all elements down to and including boron.
  • EELS System
    • Gatan Continuum S spectrometer with ultra-fast electrostatic shutter and high-speed DualEELS (energy resolution: 0.8 eV)
  • Image Acquisition & Analysis System
    • Gatan One View bottom mount camera for high-speed 4k × 4k imaging with in-situ capability
    • Simultaneous STEM HAADF/DF4/DF2/BF acquisition
    • Segmented DF4 detector for DPC imaging with live i-DPC and d-DPC
  • Lorentz Microscopy
    • Built-in Lorentz lens in the lower pole piece of the objective lens enables to image magnetic structures
    • In-situ observation under controllable magnetic field along the optical axis
  • Compatible Sample Holders
    • CompuStage single-tilt (x = ±35°) holder
    • High-visibility low-background double-tilt (x = ±35°, y = ±30°) holder for optimized EDS acquisition
    • Fischione Tomography holder Model 2020 with high-tilt angles (x = ±70°)
    • Gatan Elsa cryo-transfer holder allows >9 h below -145 °C and >8 h of stable, high-resolution imaging with high-tilt capability (x = ±70°)
    • Protochips Fusion Select double-tilt (x = ±30°, y = ±18°) MEMS-based heating and biasing holder
  • Other Accessories
    • Velox software for STEM/DPC imaging and EDS acquisition
    • Automatic acquisition of tilting series for tomography with EDS capability
    • AutoSTEM automated alignment software for the correction of focus and astigmatism correction in STEM up to ca. 1 Mx magnification
    • TEM scripting for controlling the microscopy by a user application
  1. Quaternary Alloy ScAlGaN: A Promising Strategy to Improve the Quality of ScAlN, P. Wang, D. Wang, Y. Bi, B. Wang, J. Schwartz, R. Hovden, Z. Mi, Applied Physics Letters, 120, 012104, 2022
  2. Self-Assembly Mechanism of Complex Corrugated Particles, L. Tang, T. Vo, X. Fan, D. Vecchio, T. Ma, J. Lu, H. Hou, S.C. Glotzer, N.A. Kotov, J. Am. Chem. Soc., 143(47), 19655-19667, 2021
  3. Crack Initiation of Neutron-irradiated 304L Stainless Steel in PWR Primary Water, D. Du, K. Sun, G.S. Was, Corrosion Science, 193, 109902, 2021
  4. Direct Methane Activation by Atomically Thin Platinum Nanolayers on Two-Dimensional Metal Carbides, Z. Li, Y. Xiao, P.R. Chowdhury, Z. Wu, T. Ma, J.Z. Chen, G. Wan, T-H. Kim, D. Jing, P.J. Potdar, L. Zhou, Z. Zeng, X. Ruan, J.T. Miller, J.P. Greeley, Y. Wu, A. Varma, Nature Catalysis, 4, 882-891, 2021
  5. Structural Analysis of Nanoscale Network Materials using Graph Theory, D.A. Vecchio, S.H. Mahler, M.D. Hammig, N.A. Kotov, ACS Nano, 15(8), 12847-12859, 2021
  6. Enhanced Work Hardening from Oxygen-Stabilized ω Precipitates in an Aged Metastable β Ti-Nb Alloy, K. Chou, N. Li, E.A. Marquis, Acta Materialia, 220, 117302, 2021
  7. Emulation of Neutron Damage with Proton Irradiation and Its Effects on Microstructure and Microchemistry of Zircaloy-4, P. Wang, J. Bowman, M. Bachhav, B. Kammenzind, R. Smith, J. Carter, A. Motta, E. Lacroix, G. Was, Journal of Nuclear Materials, 557, 153281, 2021
  8. Oxygen-Induced Refinement of α Precipitates in an Aged Metastable β Ti-15-333 Alloy, K. Chou, O. Neill, E.A. Marquis, Scripta Materialia, 205, 114206, 2021
  9. Atomically Dispersed Pb Ionic Sites in PbCdSe Quantum Dot Gels Enhance Room-Temperature NO2 Sensing, X. Geng, S. Li, L. Mawella-Vithanage, T. Ma, M. Kilani, B. Wang, L. Ma, C.C. Hewa-Rahinduwage, A. Shafikova, E. Nikolla, G. Mao, S.L. Brock, L. Zhang, L. Luo, Nature Communications, 12, 4895, 2021
  10. Microwave Synthesis of Spinel MgFe2O4 Nanoparticles and the Effect of Annealing on Photocatalysis, K.D. McDonald, B.M. Bartlett, Inorganic Chemistry, 60(12), 8704-8709, 2021
  11. Enhanced Optical Asymmetry in Supramolecular Chiroplasmonic Assemblies with Long-Range Order, J. Lu, Y. Xue, K. Bernardino, N-N. Zhang, W.R. Gomes, N.S. Ramesar, S. Liu, Z. Hu, T. Sun, A. Farias de Moura, N.A. Kotov, K. Liu, Science, 371(6536), 1368-1374
  12. Precipitation in Proton- and Ion-Irradiated Alloy 625 Plus, L-J. Yu, E.A. Marquis, Journal of Nuclear Materials, 153040, 2021 
  13. The Role of Co-injected Helium on Swelling and Cavity Evolution at High Damage Levels in Ferritic-Martensitic Steels, D. Woodley, S. Taller, Z. Jiao, K. Sun, G.S. Was, Journal of Nuclear Materials, 550, 152912, 2021
  14. IASCC of neutron irradiated 316 stainless steel to 125 dpa, D. Du, K. Sun, G.S. Was, Materials Characterization, 173, 110897, 2021
  15. Microstructure and Mechanical Properties of Nanoscale Cu/(Ta50Nb25Mo25) Multilayers, L. Jiang, M. Powers, Y. Cui, B.K. Derby, A. Misra, Materials Science and Engineering A, 799, 140200, 2021
  16. Area-Selective Atomic Layer Deposition Patterned by Electrohydrodynamic Jet Printing for Additive Manufacturing of Functional Materials and Devices, T.H. Cho, N. Farjam, C.R. Allemang, C.P. Pannier, E. Kazyak, C. Huber, M. Rose, O. Trejo, R.L. Peterson, K. Barton, N.P. Dasgupta, ACS Nano, 14(12), 17262-17272, 2020
  17. On the Thermal Stability of Dislocation Cellular Structures in Additively Manufactured Austenitic Stainless Steels: Roles of Heavy Element Segregation and Stacking Fault Energy, P. Deng, H. Yin, M. Song, D. Li, Y. Zheng, B.C. Prorok, X. Lou, JOM, 72, 4232-4243, 2020
  18. Fast Organic Vapor Phase Deposition of Thin Films in Light-Emitting Diodes, B. Qu, K. Ding, S. Hou, S. Morris, M. Shtein, S.R. Forrest, ACS Nano, 14(10), 14157-14163, 2020
  19. Omnidispersible Microscale Colloids with Nanoscale Polymeric Spikes, D.G. Montjoy, H. Hou, J.H. Bahng, N.A. Kotov, Chem. Mater., 32(23), 9897-9905, 2020