U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Brian Kirby (Fed)

Group Leader, Research Facility Operations, NCNR

Research Interests:

  • Advanced neutron scattering techniques
  • Magnetic multilayers and thin films
  • Magnetic property localization in nanostructured materials
  • Electric field control of magnetism
  • Magnetism at complex oxide interfaces

Awards

2012 NIST Bronze Medal, "For the elucidation of complex magnetic coupling in ferromagnetic, semiconducting multilayers using innovative polarized neutron reflectivity methods"

Publications

Room-temperature valence transition in a strain-tuned perovskite oxide

Author(s)
Vipul Chaturvedi, Supriya Ghosh, Dominique Gautreau, William M. Postiglione, John E. Dewey, Patrick Quarterman, Purnima P. Balakrishnan, Brian Kirby, Hua Zhou, Huikui Cheng, Amanda Huon, Timothy Charlton, Michael R. Fitzsimmons, Caroline Korostynski, Andrew Jacobson, Lucca Figari, Javier Garcia Barriocanal, T. Birol, K. A. Mkhoyan, Chris Leighton
Cobalt oxides have long been understood to display intriguing phenomena known as spin-state crossovers, where the cobalt ion spin changes vs. temperature

Chiral Spin Bobbers in Exchange-Coupled Hard-Soft Magnetic Bilayers

Author(s)
X. H. Zhang, T. R. Gao, L. Fang, S. Fackler, Julie Borchers, Brian Kirby, Brian B. Maranville, S. E. Lofland, A. T. N'Diaye, E. Arenholz, A. Ullah, J. Cui, R. Skomski, Ichiro Takeuchi
The spin structure of exchange-coupled MnBi:Co-Fe bilayers is investigated by X-ray magnetic circular dichroism (XMCD), polarized neutron reflectometry (PNR)

Electrically Driven Exchange Bias via Solid State Magneto-Ionics

Author(s)
Peyton Murray, Christopher Jensen, Alberto Quintana, Junwei Zhang, Xixiang Zhang, Alexander Grutter, Brian Kirby, Kai Liu
Electrically induced ionic motion offers a new way to realize voltage-controlled magnetism, opening the door to a new generation of logic, sensor, and data

Graded Magnetic Materials

Author(s)
Lorenzo Fallarino, Brian Kirby, Eric E. Fullerton
Graded magnetic materials represent a promising new avenue in modern material science from both fundamental and application points of view. Over the course of
View more Publications

Selected Publications

Spatial Evolution of the Ferromagnetic Phase Transition in an Exchange Graded Film
Created October 9, 2019, Updated December 8, 2022