Cameca LEAP 5000 HR


Materials Science, Geological Sciences, Devices, Defect & Failure Analysis

  • Atom by atom reconstruction of materials: 3D chemical analysis at the nanometer scale
  • Phase transformations
  • Semiconductor analysis: Dopants, quantum structures


Allen Hunter


Room G017


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.


  • Voltage pulsing
    • Frequency: Up to 250 kHz
    • Pulse fraction: <25%
  • Laser pulsing
    • Wavelength: 355 nm
    • Frequency: 50 to 500 kHz
    • Spot size < 3 μm
  • Specimen temperature: 20-100 K
  • Detection efficiency (reflectron configuration): ~52%

Useful Links

References and Publications

  1. On α’ composition in thermally annealed and neutron-irradiated Fe- 9-18Cr alloys, ER Reese, M Bachhav, P Wells, T Yamamoto, GR Odette, EA Marquis, Journal of Nuclear Materials (2018) link
  2. Dose rate dependence of Cr precipitation in an ion-irradiated Fe-18Cr alloy, ER Reese, N Almirall, T Yamamoto, S Tumey, GR Odette, EA Marquis, Scripta Materialia 146 213–217 (2018) link
  3. On the use of density-based algorithms for the analysis of solute clustering in atom probe tomography data. EA Marquis, V Araullo-Peters, Y Dong, A Etienne, S Fedotova, K Fujii, K Fukuya, E Kuleshova, A Lopez, A London, S Lozano-Perez, Y Nagai, K Nishida, B Radiguet, D Schreiber, N Soneda, M Thuvander, T Toyama, F Sefta, P Chou, 18th International Conference on Environmental Degradation of Materials in Nuclear Power Systems – Water Reactors, August 13-17, 2017, Portland, Oregon. link
  4. The effect of Ni:Co ratio on the elemental phase partitioning in γ-γ′ Ni-Co-Al-Ti-Cr alloys, S.C.H. Llewelyn, K.A. Christofidou, V.J. Araullo-Peters, N.G. Jones, M.C. Hardy, E.A. Marquis, H.J. Stone, Acta Materialia 131 296-304 (2017) link
  5. Structural differences between capped GaSb nanostructures grown by Stranski-Krastanov and droplet epitaxy growth modes, Matt DeJarld, Lifan Yan, Marta Luengo-Kovac, Vanessa Sih, and Joanna Millunchick, Journal of Applied Physics, 121(3), 34301, 2017
  6. Droplet induced compositional inhomogeneities in GaAsBi, C. Ryan Tait, Lifan Yan, and Joanna M. Millunchick, Applied Physics Letters, 111(4), 42105, 2017
  7. High performance red-emitting multiple layer InGaN/GaN quantum dot lasers, Thomas Frost, Arnab Hazari, Anthony Aiello, Md Zunaid Baten, Lifan Yan, Joanna Mirecki-Millunchick and Pallab Bhattacharya, Japanese Journal of Applied Physics, 55(3), 32101, 2016
  8. Three dimensional imaging of shear bands in bulk metallic glass composites, AH Hunter, M Gibbons, V Araullo-Peters, OD Restrepo, SR Niezgoda, W Windl, KM Flores, DC Hofmann, EA Marquis,  Journal of Microscopy 264(3):304-310 (2016) link
  9. Towards an understanding of tensile deformation in Ti-based bulk metallic glass matrix composites with BCC dendrites, J Kolodziejska, H Kozachkov, K Kranjc, A Hunter, EA Marquis, K Flores, W Johnson, and D Hofmann, Scientific Reports 6 22563 (2016) link
  10. Microstructure of HIPed and SPSed 9Cr-ODS steel and its effect on helium bubble formation, Chenyang Lu, Zheng Lu, Rui Xie, Chunming Liu, Lumin Wang, Journal of Nuclear Materials, 474, 65-75, 2016
  11. Effects of the local structure dependence of evaporation fields on field evaporation behavior, L Yao, T Withrow, O Restrepo, W Windl, EA Marquis, Appl. Phys. Lett. 107, 241602 (2015) link
  12. Atom probe tomography applied to the analysis of irradiated microstructures, EA Marquis, J. Materials Research (2015) 30(9) 1222-1230 link
  13. Microchemical and microstructural evolution of AISI 304 stainless steel irradiated in EBR-II at PWR-relevant DPA rates, Y Dong, BH Sencer, F Garner, EA Marquis J. Nuclear Materials (2015) link
  14. EELS and Atom Probe Tomography study of the evolution of the metal/oxide interface during zirconium alloy oxidation, B de Gabory, Y Dong, A Motta, EA Marquis J. Nuclear Materials (2015) 462 304-309 link
  15. Interfacial solute segregation in the thermally grown oxide of thermal barrier coating structures, Y Chen, RC Reed, EA Marquis, Oxidation of Metals (2014) 82(5-6) 457-467 link
  16. Microstructural changes in a neutron-irradiated Fe-15at.%Cr alloy, M Bachhav, GR Odette, EA Marquis, J. Nuclear Materials (2014) 454(1-3) 381-386 link
  17. Microstructural changes in a neutron-irradiated Fe-6at.%Cr alloy, M Bachhav, L Yao, GR Odette, EA Marquis, J. Nuclear Materials (2014) 453(1-3) 334-339 link
  18. Radiation-induced Ostwald ripening in Oxide Dispersion Strengthened ferritic steels irradiated at high ion dose, J Ribis, M-L Lescoat, Y Chen, EA Marquis, S Menut, J-L Bechade, S Schlutig, B Sitaud, Y Serruys, P Trocellier, Y De Carlan, A. Legris, Acta Materialia (2014) 78(1) 328-340 link
  19. Quantitative atom probe tomography characterization of microstructures in a proton irradiated 304 steel, Y Chen, P Chou, EA Marquis, J. Nuclear Materials (2014) 451 130-136 link
  20. Alpha’ precipitation in neutron-irradiated Fe-Cr alloys, M Bachhav, GR Odette, EA Marquis, Scripta Materialia (2014) 74 48-51 link
  21. On the current role of atom probe tomography in materials characterization and materials science, EA Marquis, M Bachhav, Y Chen, Y Dong, L Gordon, A McFarland, Current Opinions in Solid State and Materials Science (2013) 17 217-223 link
  22. Atom probe tomography analysis of different modes of Sb intermixing in GaSb quantum dots and wells, AJ Martin, AH Hunter, TW Saucer, V Sih, EA Marquis, J Millunchick, APL (2013) 
  23. The disintegration of GaSb/GaAs nanostructures upon capping, A.J. Martin, J. Hwang, E.A. Marquis, E. Smakman, T.W. Saucer, G.V. Rodriguez, A. Hunter, V. Sih, P.M. Koenraad, J.D. Philips, J. Millunchick, APL (2013) 102(11) 113103
  24. Atom probe tomography study of alloying element distributions in Zr alloys and their oxides, Y Dong, A Motta, EA Marquis, J. Nuclear Materials (2013) 442(1-3) 270-281 link
  25. Lattice misfit during ageing of a polycrystalline nickel-base superalloy, DM Collins, L Yan, EA Marquis, LD Connor, JJ Ciardiello, AD Evans, HJ Stone, Acta Materialia (2013) 61(20) 7791-7804 link
  26. Interfacial morphology development and solute trapping behavior during rapid solidification of an Al–Li–Cu alloy, D.W. Heard, J. Boselli, R. Rioja, E.A. Marquis, R. Gauvin, M. Brochu, Acta Materialia (2013) 61(5) 1571-1580 link
  27. As-coated thermal barrier coating: structure and chemistry, Y. Chen, R.C. Reed, E.A. Marquis, Scripta Materialia 67(9) 779-782 (2012) link