• 5918 Citations
1983 …2020

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2020

Active analog tuning of the phase of light in the visible regime by bismuth-based metamaterials

Garcia-Pardo, M., Nieto-Pinero, E., Petford-Long, A. K., Serna, R. & Toudert, J., Apr 1 2020, In : Nanophotonics. 9, 4, p. 885-896 12 p.

Research output: Contribution to journalArticle

Open Access

Comparison of Metal Adhesion Layers for Au Films in Thermoplasmonic Applications

Abbott, W. M., Murray, C. P., Ní Lochlainn, S., Bello, F., Zhong, C., Smith, C., Mccarthy, E. K., Downing, C., Daly, D., Petford-Long, A. K., Mcguinness, C., Chunin, I. I., Donegan, J. F. & Mccloskey, D., Mar 18 2020, In : ACS Applied Materials and Interfaces. 12, 11, p. 13503-13509 7 p.

Research output: Contribution to journalArticle

Curved Three-Dimensional Cobalt Nanohelices for Use in Domain Wall Device Applications

Phatak, C., Miller, C. S., Thompson, Z., Gulsoy, E. B. & Petford-Long, A. K., Jun 26 2020, In : ACS Applied Nano Materials. 3, 6, p. 6009-6016 8 p.

Research output: Contribution to journalArticle

1 Scopus citations

Ferroelectric Domain Wall Motion in Freestanding Single-Crystal Complex Oxide Thin Film

Bakaul, S. R., Kim, J., Hong, S., Cherukara, M. J., Zhou, T., Stan, L., Serrao, C. R., Salahuddin, S., Petford-Long, A. K., Fong, D. D. & Holt, M. V., Jan 1 2020, In : Advanced Materials. 32, 4, 1907036.

Research output: Contribution to journalArticle

4 Scopus citations
2019

Emergent magnetic ordering and topological frustration in quasicrystal artificial spin ices

Barrows, F., Brajuskovic, V., Petford-Long, A. K. & Phatak, C., Mar 19 2019, In : Physical Review B. 99, 9, 094424.

Research output: Contribution to journalArticle

2 Scopus citations

Less is more: Improved thermal stability and plasmonic response in Au films via the use of SubNanometer Ti Adhesion Layers

Abbott, W. M., Murray, C. P., Zhong, C., Smith, C., McGuinness, C., Rezvani, E., Downing, C., Daly, D., Petford-Long, A. K., Bello, F., McCloskey, D. & Donegan, J. F., Feb 20 2019, In : ACS Applied Materials and Interfaces. 11, 7, p. 7607-7614 8 p.

Research output: Contribution to journalArticle

3 Scopus citations

Quantifying chiral exchange interaction for Néel-type skyrmions via Lorentz transmission electron microscopy

Jiang, W., Zhang, S., Wang, X., Phatak, C., Wang, Q., Zhang, W., Jungfleisch, M. B., Pearson, J. E., Liu, Y., Zang, J., Cheng, X., Petford-Long, A., Hoffmann, A. & Te Velthuis, S. G. E., Mar 4 2019, In : Physical Review B. 99, 10, 104402.

Research output: Contribution to journalArticle

2 Scopus citations
2018

Correlative magnetic imaging of heat-assisted magnetic recording media in cross section using lorentz TEM and MFM

Kim, T. R., Phatak, C., Petford-Long, A. K., Liu, Y., Taylor, C., Zhang, B., Myers, S., Greene, A., Seki, T., Alex, M., Bertero, G. A. & Sinclair, R., Jan 2018, In : IEEE Transactions on Magnetics. 54, 1, A2056.

Research output: Contribution to journalArticle

Direct Evidence of Topological Defects in Electron Waves through Nanoscale Localized Magnetic Charge

Phatak, C. & Petford-Long, A., Nov 14 2018, In : Nano letters. 18, 11, p. 6989-6994 6 p.

Research output: Contribution to journalArticle

Ferroelectric Domain Studies of Patterned (001) BiFeO3 by Angle-Resolved Piezoresponse Force Microscopy

Kim, B., Barrows, F. P., Sharma, Y., Katiyar, R. S., Phatak, C., Petford-Long, A. K., Jeon, S. & Hong, S., Dec 1 2018, In : Scientific reports. 8, 1, 203.

Research output: Contribution to journalArticle

4 Scopus citations

Observation of transient states during magnetization reversal in a quasicrystal artificial spin ice

Brajuskovic, V., Addi, A., Phatak, C. & Petford-Long, A. K., Sep 25 2018, In : Physical Review B. 98, 9, 094424.

Research output: Contribution to journalArticle

5 Scopus citations

Pulsed laser deposition of transparent fluoride glass

Bond, C. W., Leonard, R. L., Erck, R. A., Terekhov, A. Y., Petford-Long, A. K. & Johnson, J. A., May 15 2018, In : Journal of Non-Crystalline Solids. 488, p. 19-23 5 p.

Research output: Contribution to journalArticle

Solid state dewetting of thin plasmonic films under focused cw-laser irradiation

Abbott, W. M., Corbett, S., Cunningham, G., Petford-Long, A., Zhang, S., Donegan, J. F. & McCloskey, D., Feb 15 2018, In : Acta Materialia. 145, p. 210-219 10 p.

Research output: Contribution to journalArticle

9 Scopus citations
2017

Interface-induced phenomena in magnetism

Hellman, F., Hoffmann, A., Tserkovnyak, Y., Beach, G. S. D., Fullerton, E. E., Leighton, C., Macdonald, A. H., Ralph, D. C., Arena, D. A., Dürr, H. A., Fischer, P., Grollier, J., Heremans, J. P., Jungwirth, T., Kimel, A. V., Koopmans, B., Krivorotov, I. N., May, S. J., Petford-Long, A. K., Rondinelli, J. M. & 7 others, Samarth, N., Schuller, I. K., Slavin, A. N., Stiles, M. D., Tchernyshyov, O., Thiaville, A. & Zink, B. L., Jun 5 2017, In : Reviews of Modern Physics. 89, 2, 025006.

Research output: Contribution to journalArticle

252 Scopus citations

Tailoring magnetic skyrmions by geometric confinement of magnetic structures

Zhang, S. S. L., Phatak, C., Petford-Long, A. K. & Heinonen, O. G., Dec 11 2017, In : Applied Physics Letters. 111, 24, 242405.

Research output: Contribution to journalArticle

3 Scopus citations
2016

Creation of artificial skyrmions and antiskyrmions by anisotropy engineering

Zhang, S., Petford-Long, A. K. & Phatak, C., Oct 8 2016, In : Scientific reports. 6, 31248.

Research output: Contribution to journalArticle

26 Scopus citations

Nanoscale Skyrmions in a Nonchiral Metallic Multiferroic: Ni2MnGa

Phatak, C., Heinonen, O., De Graef, M. & Petford-Long, A., Jul 13 2016, In : Nano letters. 16, 7, p. 4141-4148 8 p.

Research output: Contribution to journalArticle

43 Scopus citations

Real-space observation of magnetic excitations and avalanche behavior in artificial quasicrystal lattices

Brajuskovic, V., Barrows, F., Phatak, C. & Petford-Long, A. K., Oct 3 2016, In : Scientific reports. 6, 34384.

Research output: Contribution to journalArticle

13 Scopus citations

Recent advances in Lorentz microscopy

Phatak, C., Petford-Long, A. K. & De Graef, M., Apr 1 2016, In : Current Opinion in Solid State and Materials Science. 20, 2, p. 107-114 8 p.

Research output: Contribution to journalArticle

13 Scopus citations
2015

Evaluation of a Fluorochlorozirconate Glass-Ceramic Storage Phosphor Plate for Gamma-Ray Computed Radiography

Leonard, R. L., Gray, S. K., Alvarez, C. J., Moses, A. K., Arrowood, L. F., Lubinsky, A. R., Petford-Long, A. K. & Johnson, J. A., Aug 1 2015, In : Journal of the American Ceramic Society. 98, 8, p. 2541-2547 7 p.

Research output: Contribution to journalArticle

8 Scopus citations

Ferromagnetic domain behavior and phase transition in bilayer manganites investigated at the nanoscale

Phatak, C., Petford-Long, A. K., Zheng, H., Mitchell, J. F., Rosenkranz, S. & Norman, M. R., Dec 14 2015, In : Physical Review B - Condensed Matter and Materials Physics. 92, 22, 224418.

Research output: Contribution to journalArticle

1 Scopus citations

In situ TEM study of reversible and irreversible electroforming in Pt/Ti: NiO/Pt heterostructures

D'Aquila, K., Liu, Y., Iddir, H. & Petford-Long, A. K., May 1 2015, In : Physica Status Solidi - Rapid Research Letters. 9, 5, p. 301-306 6 p.

Research output: Contribution to journalArticle

8 Scopus citations

Structural and kinetic analysis of BaCl2 nanocrystals in fluorochlorozirconate glass-ceramics

Alvarez, C. J., Leonard, R. L., Gray, S. K., Johnson, J. A. & Petford-Long, A. K., Jan 1 2015, In : Journal of the American Ceramic Society. 98, 4, p. 1099-1104 6 p.

Research output: Contribution to journalArticle

7 Scopus citations

Synthesis of uniformly distributed single- and double-sided zinc oxide (ZnO) nanocombs

Altintas Yildirim, O., Liu, Y. & Petford-Long, A. K., Nov 15 2015, In : Journal of Crystal Growth. 430, p. 34-40 7 p.

Research output: Contribution to journalArticle

13 Scopus citations
2014

Bipolar resistance switching in Pt/CuOx/Pt via local electrochemical reduction

D'Aquila, K., Phatak, C., Holt, M. V., Stripe, B. D., Tong, S., Park, W. I., Hong, S. & Petford-Long, A. K., Jun 16 2014, In : Applied Physics Letters. 104, 24, 242902.

Research output: Contribution to journalArticle

15 Scopus citations

Separation of electrostatic and magnetic phase shifts using a modified transport-of-intensity equation

Humphrey, E., Phatak, C., Petford-Long, A. K. & De Graef, M., Apr 1 2014, In : Ultramicroscopy. 139, p. 5-12 8 p.

Research output: Contribution to journalArticle

13 Scopus citations

Theoretical study of ferroelectric nanoparticles using phase reconstructed electron microscopy

Phatak, C., Petford-Long, A. K., Beleggia, M. & De Graef, M., Jun 24 2014, In : Physical Review B - Condensed Matter and Materials Physics. 89, 21, 214112.

Research output: Contribution to journalArticle

5 Scopus citations

Visualization of the magnetic structure of sculpted three-dimensional cobalt nanospirals

Phatak, C., Liu, Y., Gulsoy, E. B., Schmidt, D., Franke-Schubert, E. & Petford-Long, A., Feb 12 2014, In : Nano letters. 14, 2, p. 759-764 6 p.

Research output: Contribution to journalArticle

38 Scopus citations

Vortex jump behavior in coupled nanomagnetic heterostructures

Zhang, S., Petford-Long, A. K., Heinonen, O. & Phatak, C., Nov 24 2014, In : Applied Physics Letters. 105, 21, 212409.

Research output: Contribution to journalArticle

3 Scopus citations
2013

Nanocrystallization in fluorochlorozirconate glass-ceramics

Alvarez, C. J., Liu, Y., Leonard, R. L., Johnson, J. A. & Petford-Long, A. K., Nov 2013, In : Journal of the American Ceramic Society. 96, 11, p. 3617-3621 5 p.

Research output: Contribution to journalArticle

9 Scopus citations

Visualization of magnetic domain structure changes induced by interfacial strain in CoFe2O4/BaTiO3 heterostructures

Pan, M., Hong, S., Guest, J. R., Liu, Y. & Petford-Long, A., Feb 6 2013, In : Journal of Physics D: Applied Physics. 46, 5, 055001.

Research output: Contribution to journalArticle

17 Scopus citations
2012

A method for directly correlating site-specific cross-sectional and plan-view transmission electron microscopy of individual nanostructures

Schreiber, D. K., Adusumilli, P., Hemesath, E. R., Seidman, D. N., Petford-Long, A. K. & Lauhon, L. J., Dec 1 2012, In : Microscopy and Microanalysis. 18, 6, p. 1410-1418 9 p.

Research output: Contribution to journalArticle

9 Scopus citations

Atomic structural analysis of nanowire defects and polytypes enabled through cross-sectional lattice imaging

Hemesath, E. R., Schreiber, D. K., Kisielowski, C. F., Petford-Long, A. K. & Lauhon, L. J., Jun 11 2012, In : Small. 8, 11, p. 1717-1724 8 p.

Research output: Contribution to journalArticle

11 Scopus citations

Catalyst incorporation at defects during nanowire growth

Hemesath, E. R., Schreiber, D. K., Gulsoy, E. B., Kisielowski, C. F., Petford-Long, A. K., Voorhees, P. W. & Lauhon, L. J., Jan 11 2012, In : Nano Letters. 12, 1, p. 167-171 5 p.

Research output: Contribution to journalArticle

41 Scopus citations

Direct observation of unconventional topological Spin structure in coupled magnetic discs

Phatak, C., Petford-Long, A. K. & Heinonen, O., Feb 9 2012, In : Physical Review Letters. 108, 6, 067205.

Research output: Contribution to journalArticle

48 Scopus citations

Magnetic interactions and reversal of Artificial square spin ices

Phatak, C., Pan, M., Petford-Long, A. K., Hong, S. & Graef, M. D., Jul 2012, In : New Journal of Physics. 14, 075028.

Research output: Contribution to journalArticle

17 Scopus citations

Three-dimensional characterization of near-field transducers by electron tomography

Liu, Y., Schreiber, D. K., Petford-Long, A. K. & Gao, K. Z., Oct 1 2012, In : Materials Characterization. 72, p. 104-110 7 p.

Research output: Contribution to journalArticle

2 Scopus citations

Three-dimensional quantitative chemical roughness of buried ZrO 2/In 2O 3 interfaces via energy-filtered electron tomography

Zhong, X. Y., Kabius, B., Schreiber, D. K., Eastman, J. A., Fong, D. D. & Petford-Long, A. K., Mar 5 2012, In : Applied Physics Letters. 100, 10, 101604.

Research output: Contribution to journalArticle

7 Scopus citations
2011

Effect of annealing and applied bias on barrier shape in CoFe/MgO/CoFe tunnel junctions

Liu, Y., Chiaramonti, A. N., Schreiber, D. K., Yang, H., Parkin, S. S. P., Heinonen, O. G. & Petford-Long, A. K., Apr 12 2011, In : Physical Review B - Condensed Matter and Materials Physics. 83, 16, 165413.

Research output: Contribution to journalArticle

11 Scopus citations

Effects of elemental distributions on the behavior of MgO-based magnetic tunnel junctions

Schreiber, D. K., Choi, Y. S., Liu, Y., Chiaramonti, A. N., Seidman, D. N. & Petford-Long, A. K., May 15 2011, In : Journal of Applied Physics. 109, 10, 103909.

Research output: Contribution to journalArticle

14 Scopus citations

Enhanced magnetoresistance in naturally oxidized MgO-based magnetic tunnel junctions with ferromagnetic CoFe/CoFeB bilayers

Schreiber, D. K., Choi, Y. S., Liu, Y., Chiaramonti, A. N., Seidman, D. N. & Petford-Long, A. K., Jun 6 2011, In : Applied Physics Letters. 98, 23, 232506.

Research output: Contribution to journalArticle

11 Scopus citations

In situ Lorentz TEM magnetization studies on a Fe-Pd-Co martensitic alloy

Budruk, A., Phatak, C., Petford-Long, A. K. & De Graef, M., Oct 1 2011, In : Acta Materialia. 59, 17, p. 6646-6657 12 p.

Research output: Contribution to journalArticle

20 Scopus citations

In situ lorentz TEM magnetization study of a Ni-Mn-Ga ferromagnetic shape memory alloy

Budruk, A., Phatak, C., Petford-Long, A. K. & De Graef, M., Jul 1 2011, In : Acta Materialia. 59, 12, p. 4895-4906 12 p.

Research output: Contribution to journalArticle

31 Scopus citations

Nanoscale structure of the magnetic induction at monopole defects in artificial spin-ice lattices

Phatak, C., Petford-Long, A. K., Heinonen, O., Tanase, M. & De Graef, M., May 18 2011, In : Physical Review B - Condensed Matter and Materials Physics. 83, 17, 174431.

Research output: Contribution to journalArticle

77 Scopus citations

Si nanoparticle- Er3+ coupling through contact in as-deposited nanostructured films

Núez-Sánchez, S., Roque, P. M., Serna, R. & Petford-Long, A. K., Apr 11 2011, In : Applied Physics Letters. 98, 15, 151109.

Research output: Contribution to journalArticle

11 Scopus citations
2010

Analysis of computational EELS modelling results for MgO-based systems

Seabourne, C. R., Scott, A. J., Vaughan, G., Brydson, R., Wang, S. G., Ward, R. C. C., Wang, C., Kohn, A., Mendis, B. & Petford-Long, A. K., Jul 1 2010, In : Ultramicroscopy. 110, 8, p. 1059-1069 11 p.

Research output: Contribution to journalArticle

5 Scopus citations

Correlating structural and resistive changes in Ti:NiO resistive memory elements

Heinonen, O., Siegert, M., Roelofs, A., Petford-Long, A. K., Holt, M., D'Aquila, K. & Li, W., Mar 26 2010, In : Applied Physics Letters. 96, 10, 103103.

Research output: Contribution to journalArticle

16 Scopus citations
13 Scopus citations

Enhanced spin signals due to native oxide formation in Ni80 Fe20 /Ag lateral spin valves

Mihajlović, G., Schreiber, D. K., Liu, Y., Pearson, J. E., Bader, S. D., Petford-Long, A. K. & Hoffmann, A., Sep 13 2010, In : Applied Physics Letters. 97, 11, 112502.

Research output: Contribution to journalArticle

31 Scopus citations

Structural characterization of interfaces in epitaxial Fe/MgO/Fe magnetic tunnel junctions by transmission electron microscopy

Wang, C., Kohn, A., Wang, S. G., Chang, L. Y., Choi, S. Y., Kirkland, A. I., Petford-Long, A. K. & Ward, R. C. C., Jul 28 2010, In : Physical Review B - Condensed Matter and Materials Physics. 82, 2, 024428.

Research output: Contribution to journalArticle

25 Scopus citations