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Richard F. Haglund

Stevenson Professor of Physics

Research:

The Haglund group designs, fabricates, characterizes and simulates the behavior of thin films, nanostructures and heterostructures of materials with compelling optical and electro-optical properties, notably zinc oxide, vanadium dioxide and noble metals. Our most recent work has concentrated on mapping the ultrafast insulator-to-metal phase transition of thin films, lithographically fabricated nanodisks and nanoislands of phase-changing vanadium dioxide; characterizing exciton-plasmon coupling and optical cavity reonances in zinc oxide nanowires and quantum wells; enhancing the second-and third-order nonlinear optical properties of metal nanostructures in Archimedean nanospirals and serrated nanogaps; and building ultrafast, switchable nanostructure arrays that use optical surface-plasmon resonances, plasmonically generated hot electrons and gold nanoantennas to both initiate and probe the insulator-to-metal transition in vanadium dioxide.

Awards:

Fellow, American Physical Society, 2009
Alexander von Humboldt Foundation Research Prize, 2003
Alexander von Humboldt Foundation Research Fellowship, 1982

Selected Publications:

Heterogeneous nucleation and growth dynamics in the light-induced phase transition in vanadium dioxide. Brady, NF; Appavoo, K; Seo, M; Nag, J; Prasankumar, RP; Haglund, RF; Hilton, DJ, JOURNAL OF PHYSICS-CONDENSED MATTER, 28, 125603 , (2016) View Abstract

Probing plasmons in three dimensions by combining complementary spectroscopies in a scanning transmission electron microscope. Hachtel, JA; Marvinney, C; Mouti, A; Mayo, D; Mu, R; Pennycook, SJ; Lupini, AR; Chisholm, MF; Haglund, RF; Pantelides, ST, NANOTECHNOLOGY, 27, 155202 , (2016) View Abstract

Ultrafast Mid-Infrared Nanoscopy of Strained Vanadium Dioxide Nanobeams. Huber, MK; Plankl, M; Eisele, M; Marvel, RE; Sandner, F; Kornt, T; Schuller, C; Haglund, RF; Huber, R; Cocker, TL, NANO LETTERS, 16, 1421-1427 , (2016) View Abstract

Optically Monitored Electrical Switching in VO2. Markov, P; Marvel, RE; Conley, HJ; Miller, KJ; Haglund, RF; Weiss, SM, ACS PHOTONICS, 2, 1175-1182 , (2015) View Abstract

Optically-Triggered Nanoscale Memory Effect in a Hybrid Plasmonic-Phase Changing Nanostructure. Lei, DY; Appavoo, K; Ligmajer, F; Sonnefraud, Y; Haglund, RF; Maier, SA, ACS PHOTONICS, 2, 1306-1313 , (2015) View Abstract