Feedback lock-in: A versatile multi-terminal measurement system for electrical transport devices

A.W. Barnard*, E. Mikheev, J. Finney, H.S. Hiller, and D. Goldhaber-Gordon*
Rev. Sci. Instr. 94, 013902 (2023).

Microwave-frequency scanning gate microscopy of a Si/SiGe double quantum dot.

A.O. Denisov, S.W. Oh, G. Fuchs, P. Chen, C.R. Anderson, M.F. Gyure, A.W. Barnard, and J.R. Petta
Nano Lett. 22, 4807 (2022).

Directional Ballistic transport in the two-dimensional metal PdCoO2.

M.D. Bachmann,* A.L. Sharpe,* G. Baker, A.W. Barnard, C. Putzke, T. Scaffidi, N. Nandi, P.H. McGuinness, E. Zhakina, M. Moravec, S. Khim, M. König, D. Goldhaber-Gordon, D.A. Bonn, A. P. Mackenzie, and P. J.W. Moll
Nature Physics 18, 819–824 (2022).

Evidence of Orbital Ferromagnetism in Twisted Bilayer Graphene Aligned to Hexagonal Boron Nitride

A.L. Sharpe,* E.J. Fox, A.W. Barnard, J. Finney, K. Watanabe, T. Taniguchi, M.A. Kastner, D. Goldhaber-Gordon*
Nano Lett. 21, 4299 (2021).

Super-geometric electron focusing on the hexagonal Fermi surface of PdCoO2.

M.D. Bachmann,* A.L. Sharpe,* A.W. Barnard, C. Putzke, M. König, S. Khim, D. Goldhaber-Gordon, A. P. Mackenzie, and P. J.W. Moll
Nature Communications 10, 5081 (2019).

Emergent ferromagnetism near three-quarters filling in twisted bilayer graphene.

A.L. Sharpe*, E. J. Fox*, A.W. Barnard, J. Finney, K. Watanabe, T. Taniguchi, M.A. Kastner and D. Goldhaber-Gordon.
Science 365, 605-608 (2019).

Real-time vibrations of a carbon nanotube.

A.W. Barnard*, M. Zhang*, G.S. Wiederhecker, M. Lipson, and P.L. McEuen.
Nature 566, 89-93 (2019).

Absorptive pinhole collimators for ballistic Dirac fermions in graphene.

A.W. Barnard, A. Hughes, A.L. Sharpe, K. Watanabe, T. Taniguchi, and D. Goldhaber-Gordon
Nature Communications 8, 15418 (2017).

Magnetically Actuated Single-Walled Carbon Nanotubes.

S.P. Roberts, A.W. Barnard, M.K. Blees, J.S. Alden, C.M. Martin, A.R. Ruyack and P.L. McEuen.
Nano Lett. 15, 5143-5148 (2015).

Graphene Kirigami.

M.K. Blees, A.W. Barnard, P.A. Rose, S.P. Roberts, K.L. McGill, P.Y. Huang, A. Ruyack, J.W. Kevek, B. Kobrin, D.A. Muller, and P.L. McEuen.
Nature 524, 204-207 (2015).

Folded Graphene nanochannels via pulsed patterning of graphene.

I. Silvestre, A.W. Barnard, S.P. Roberts, P.L. McEuen, and R.G. Lacerda.
App. Phys. Lett. 106, 153105 (2015).

Synchronization of Micromechanical Oscillators Using Light.

M. Zhang, G.S. Wiederhecker, S. Manipatruni, A.W. Barnard, P.L. McEuen, and M. Lipson.
Phys. Rev. Lett. 109, 233906 (2012).

Fluctuation broadening in carbon nanotube resonators.

A.W. Barnard, V. Sazonova, A. M. van der Zande, and P.L. McEuen.
PNAS 109, 19093-19096 (2012).

Bending and Twisting of Suspended Single-Walled Carbon Nanotubes in Solution.

Y.Q. Xu, A.W. Barnard, and P.L. McEuen.
Nano Lett. 9, 1609-1614 (2009).