Measurement of the direct energy gap of coherently strained heterostructures R Ragan, HA Atwater
Applied Physics Letters 77 (21), 3418-3420, 2000
104 2000 Non‐lithographic SERS Substrates: Tailoring Surface Chemistry for Au Nanoparticle Cluster Assembly SM Adams, S Campione, JD Caldwell, FJ Bezares, JC Culbertson, ...
Small 8 (14), 2239-2249, 2012
78 2012 Enhanced magnetic and electric fields via Fano resonances in metasurfaces of circular clusters of plasmonic nanoparticles S Campione, C Guclu, R Ragan, F Capolino
Acs Photonics 1 (3), 254-260, 2014
77 2014 Direct energy gap group IV semiconductor alloys and quantum dot arrays in SnxGe1− x/Ge and SnxSi1− x/Si alloy systems R Ragan, KS Min, HA Atwater
Materials Science and Engineering: B 87 (3), 204-213, 2001
77 2001 Ordered arrays of rare-earth silicide nanowires on Si (0 0 1) R Ragan, Y Chen, DAA Ohlberg, G Medeiros-Ribeiro, RS Williams
Journal of crystal growth 251 (1-4), 657-661, 2003
67 2003 Design of a versatile chemical assembly method for patterning colloidal nanoparticles JH Choi, SM Adams, R Ragan
Nanotechnology 20 (6), 065301, 2009
50 2009 Shrink-induced sorting using integrated nanoscale magnetic traps D Nawarathna, N Norouzi, J McLane, H Sharma, N Sharac, T Grant, ...
Applied physics letters 102 (6), 063504, 2013
37 2013 Void-mediated formation of Sn quantum dots in a Si matrix Y Lei, P Möck, T Topuria, ND Browning, R Ragan, KS Min, HA Atwater
Applied physics letters 82 (24), 4262-4264, 2003
35 2003 Generic process for highly stable metallic nanoparticle-semiconductor heterostructures via click chemistry for electro/photocatalytic applications AP Upadhyay, DK Behara, GP Sharma, A Bajpai, N Sharac, R Ragan, ...
ACS applied materials & interfaces 5 (19), 9554-9562, 2013
32 2013 Directing cluster formation of Au nanoparticles from colloidal solution SM Adams, S Campione, F Capolino, R Ragan
Langmuir 29 (13), 4242-4251, 2013
31 2013 Comparison of electric field enhancements: Linear and triangular oligomers versus hexagonal arrays of plasmonic nanospheres S Campione, SM Adams, R Ragan, F Capolino
Optics express 21 (7), 7957-7973, 2013
29 2013 Self-assembled monolayers on Pt (111): molecular packing structure and strain effects observed by scanning tunneling microscopy S Lee, J Park, R Ragan, S Kim, Z Lee, DK Lim, DAA Ohlberg, RS Williams
Journal of the American Chemical Society 128 (17), 5745-5750, 2006
29 2006 Thin film GaAs solar cells on glass substrates by epitaxial liftoff XY Lee, M Goertemiller, M Boroditsky, R Ragan, E Yablonovitch
AIP Conference Proceedings 394 (1), 719-727, 1997
28 1997 Dynamics of nucleic acid/cationic polymer complexation and disassembly under biologically simulated conditions using in situ atomic force microscopy MS Shim, X Wang, R Ragan, YJ Kwon
Microscopy research and technique 73 (9), 845-856, 2010
27 2010 Longitudinal Monitoring of Biofilm Formation via Robust Surface-Enhanced Raman Scattering Quantification of Pseudomonas aeruginosa -Produced Metabolites CQ Nguyen, WJ Thrift, A Bhattacharjee, S Ranjbar, T Gallagher, ...
ACS applied materials & interfaces 10 (15), 12364-12373, 2018
26 2018 Nonlithographic epitaxial dense nanowire arrays grown on Ge(001) R Ragan, CC Ahn, HA Atwater
Applied physics letters 82 (20), 3439-3441, 2003
25 2003 Driving chemical reactions in plasmonic nanogaps with electrohydrodynamic flow WJ Thrift, CQ Nguyen, M Darvishzadeh-Varcheie, S Zare, N Sharac, ...
ACS nano 11 (11), 11317-11329, 2017
24 2017 A facile approach for assembling lipid bilayer membranes on template-stripped gold X Wang, MM Shindel, SW Wang, R Ragan
Langmuir 26 (23), 18239-18245, 2010
24 2010 Electric field enhancement with plasmonic colloidal nanoantennas excited by a silicon nitride waveguide M Darvishzadeh-Varcheie, C Guclu, R Ragan, O Boyraz, F Capolino
Optics express 24 (25), 28337-28352, 2016
23 2016 Scanning tunneling microscopy of template-stripped Au surfaces and highly ordered self-assembled monolayers S Lee, SS Bae, G Medeiros-Ribeiro, JJ Blackstock, S Kim, DR Stewart, ...
Langmuir 24 (12), 5984-5987, 2008
23 2008