NUCAPT

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Welcome to the

Northwestern University Center for Atom-Probe Tomography

(NUCAPT)

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NUCAPT is a research facility at Northwestern University directed by Founding Director Prof. David N. Seidman and Associate Director Prof. | Derk Joester, and managed by Research Prof. Dieter Isheim. NUCAPT specializes in high-resolution chemical imaging by three-dimensional atom-probe tomography (APT). APT produces a three-dimensional (3D) atom-by-atom elementally and isotopically resolved image with sub-nanometer spatial resolution of a sample volume typically 100 x 100 x 300 nm^3, by simultaneous high resolution direct-space imaging and atom-by-atom time of flight mass spectrometry. APT is particularly suited to study nano- or nanostructured materials.

We depend on your acknowledging instrument usage at our NUCAPT facility and any staff support, by always including an appropriate acknowledgement statement in all publications, presentations, and releases containing data collected at NUCAPT. The default acknowledgement statement is as follows:

Acknowledgements: Atom-probe tomography was performed at the Northwestern University Center for Atom-Probe Tomography (NUCAPT). The LEAP tomograph at NUCAPT was purchased and upgraded with grants from the NSF-MRI (DMR-0420532) and ONR-DURIP (N00014-0400798, N00014-0610539, N00014-0910781, N00014-1712870) programs. NUCAPT received support from the MRSEC program (NSF DMR-1720139) at the Materials Research Center, the SHyNE Resource (NSF ECCS-1542205), and the Initiative for Sustainability and Energy (ISEN) at Northwestern University.

Also important: please send us your publications and citations that include work done at NUCAPT so that we can keep out literature database up to date!


An group of enthusiastic atom-probe tomographers took their first laps with the new LEAP5000XS today, Nov 2, 2017. Thanks for stopping by!

Leap training 171102.JPG

Photo credit: Dr. Jason Sebastian

Prof. D. Isheim demonstrated and explained the new features and GUI design elements that now can be used with the LEAP5000XS in an open-house style question and answer session. A very big thank you to the crew from the manufacturer, CAMECA, and specifically to the installation engineers Timothy Kaltenbach, Ryan Brecke and Jiwan Kim who got us up and running in an amazingly short period and ahead of schedule!

more research nuggets

Announcements

  • The new NUCAPT data server manager is online now and can be accessed at NUCAPT Data Server
  • Our LEAP tomograph has been upgraded in 2017 to a LEAP5000XS configuration (CAMECA), featuring a single-atom position-sensitive time-of-flight detector with approximately 80% detection efficiency, compared to 50% efficiency with our old LEAP4000 instrument before the upgrade.
  • Congratulations to both Divya Jain and Sumit Bhattacharya, on the successful defense of their thesis. Good luck, Doctors!
  • The Seidman Group welcomes Francesca Long, a first year graduate student in the department.
  • The Seidman Group welcomes visiting student Dong An from Southeast University.

Press

  • Congratulations to Professor David Seidman for receiving the 2019 Peter Duncumb Award for Excellence in Microanalysis from the Microanalysis Society (MAS). The award ceremony was held at the M&M2019 conference in Portland, OR, on Aug. 5th, 2019.
  • Professor David Seidman was awarded the 2019 Gold Medal from ASM International, “for quantitative applications of field-ion microscopy and atom-probe tomography for solving a very broad range of materials problems from different materials classes in conjunction with other characterization tools.” Seidman will officially receive the medal at the MS&T19 conference in Portland, OR. Congratulations!
  • Congratulations to Professor David Seidman for his election to the National Academy of Engineering (NAE). Election to the academy is among the highest professional distinctions accorded to an engineer. Seidman is one of 83 new members and 16 new foreign members announced by the NAE on February 7, 2018. Seidman was cited by NAE for “contributions to understanding of materials at the atomic scale, leading to advanced materials and processes.” He will be formally inducted during a ceremony at the NAE’s annual meeting on September 30, 2018 in Washington, D.C.
  • Congratulations on Dr. Dieter Isheim's winning the AIME Champion H. Mathewson Award, 2016. This is a very prestigious award from the TMS, which award is named after Champion H. Mathewson. Chammpion H. Mathewson was a pioneering physical metallurgist in the USA, who had most of his career at Yale University, 43 years. A round of applause for Dr. Dieter Isheim.
  • NUCAPT participates in the recently announced Soft and Hybrid Nanotechnology Experimental (SHyNE) resource, part of a new NSF program for National Nanotechnology Coordinated Infrastructure - See more at this press release
  • Professor David Seidman has been named a Fellow of the American Association for the Advancement of Science, 2014
  • Professor David Seidman has been given the AIME-TMS(Minerals*Metals*Materials) Honorary Member Award, 2014
  • An article feature APT work from Dieter Isheim and David Seidman was featured in Nature Press Release
  • David Seidman is elected fellow of the American Academy of Arts and Sciences (AAAS).
  • Professor David Seidman is chosen for the prestigious David Turnbull Lecturer Award, December 3, 2008.
  • Older news


Recent articles from the Seidman group

We depend on your acknowledging our staff support, our NUCAPT facility, and by always including an appropriate acknowledgement statement in all publications, presentations, and releases containing data collected at NUCAPT. The default acknowledgement statement is as follows:

Acknowledgements: Atom-probe tomography was performed at the Northwestern University Center for Atom-Probe Tomography (NUCAPT). The LEAP tomograph at NUCAPT was purchased and upgraded with grants from the NSF-MRI (DMR-0420532) and ONR-DURIP (N00014-0400798, N00014-0610539, N00014-0910781, N00014-1712870) programs. NUCAPT received support from the MRSEC program (NSF DMR-1720139) at the Materials Research Center, the SHyNE Resource (NSF ECCS-1542205), and the Initiative for Sustainability and Energy (ISEN) at Northwestern University.

Equally important: please send us your publications and citations that include work done at NUCAPT !