Publications and Further Research Outputs
Peer-Reviewed Publications
Kenan Elibol, Clemens Mangler, David D. O'Regan, Kimmo Mustonen, Dominik Eder, Jannik C. Meyer, Jani Kotakoski, Richard G. Hobbs, Toma Susi, and Bernhard C. Bayer, Single Indium Atoms and Few-Atom Indium Clusters Anchored onto Graphene via Silicon Heteroatoms, ACS Nano, 15, (9), 2021, p14373-14383
Putnam William P, Hobbs Richard G, Keathley Phillip D, Berggren Karl K, Kärtner Franz X, Optical-field-controlled photoemission from plasmonic nanoparticles , Nature Physics , 13, 2017, p335 - 339
Agarwal, Akshay; Kim, Chung-Soo; Hobbs, Richard; van Dyck, Dirk; Berggren, Karl K., A nanofabricated, monolithic, path-separated electron interferometer , Scientific Reports, 7, 2017, p1677
Julian Carolan, Martin Jakubec, Neubi F Xavier Jr, Adam Pestana Motala, Ersilia Bifulco, Jon Aars, Magnus Andersen, Anne Lisbeth Schmidt, Marc Brunet Cabré, Vikaramjeet Singh, Paula E Colavita, Espen Werdal Selfors, Marco Sacchi, Shane O'Reilly, Øyvind Halskau, Manish K Tiwari, Richard G Hobbs, Bodil Holst, Anti-icing properties of polar bear fur, Science Advances, 11, (5), 2025, peads7321
Agarwal Akshay, Kim Chung-Soo, Hobbs Richard, Van Dyck Dirk, Berggren Karl K, Monolithic Multi-Grating Diffraction in a Convergent Electron Beam , Microscopy and Microanalysis , 22 , (S3 ), 2016, p166 - 167
Hobbs Richard G, Manfrinato Vitor R, Yang Yujia, Goodman Sarah A, Zhang Lihua, Stach Eric A, Berggren Karl K, High-energy surface and volume plasmons in nanopatterned sub-10 nm aluminum nanostructures , Nano Letters , 16 , (7 ), 2016, p4149 - 4157
FX Kärtner, Frederike Ahr, A-L Calendron, H Çankaya, S Carbajo, G Chang, G Cirmi, K Dörner, U Dorda, A Fallahi, A Hartin, M Hemmer, RG Hobbs, Yi Hua, WR Huang, R Letrun, N Matlis, V Mazalova, OD Mücke, E Nanni, W Putnam, K Ravi, F Reichert, I Sarrou, X Wu, A Yahaghi, Hong Ye, L Zapata, D Zhang, C Zhou, RJD Miller, KK Berggren, H Graafsma, A Meents, RW Assmann, HN Chapman, P Fromme, AXSIS: Exploring the frontiers in attosecond X-ray science, imaging and spectroscopy , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment , 829 , 2016, p24 - 29
Kruit Pieter, Hobbs Richard G, Kim Chung-Soo, Yang Yujia, Manfrinato Vitor R, Hammer Jacob, Thomas Sebastian, Weber Philipp, Klopfer Brannon, Kohstall Christoph, Juffmann Thomas, Kasevich Mark A, Hommelhoff Peter, Berggren Karl K , Designs for a quantum electron microscope , Ultramicroscopy , 164 , 2016, p31 - 45
Connaughton S, Kolesnik-Gray M, Hobbs R, Lotty O, Holmes J.D, Krstic V, Diameter-driven crossover in resistive behaviour of heavily doped self-seeded germanium nanowires, Beilstein Journal of Nanotechnology, 7, (1), 2016, p1284 - 1288
Putnam William P, Hobbs Richard G, Yang Y, Berggren Karl K, Kärtner Franz X, Ultrafast optical-field controlled photoemission from plasmonic nanoparticle arrays, Ultrafast Phenomena XIX, 2015
Connaughton S, Hobbs R, Lotty O, Holmes J.D, Krsti- V, Variation of Self-Seeded Germanium Nanowire Electronic Device Functionality due to Synthesis Condition Determined Surface States, Advanced Materials Interfaces, 2, (5), 2015
Hobbs Richard G, Yang Yujia, Fallahi Arya, Keathley Philip D, De Leo Eva, Kärtner Franz X, Graves William S, Berggren Karl K, High-yield, ultrafast, surface plasmon-enhanced, Au nanorod optical field electron emitter arrays , ACS Nano , 8 , (11 ), 2014, p11474 - 11482
Hobbs RG, Yang Y, Keathley PD, Swanwick ME, Velásquez-García LF, Kärtner FX, Graves WS, Berggren KK, High-density Au nanorod optical field-emitter arrays , Nanotechnology , 25 , (46 ), 2014, p465304 -
Vitor R Manfrinato, Jianguo Wen, Lihua Zhang, Yujia Yang, Richard G Hobbs, Bowen Baker, Dong Su, Dmitri Zakharov, Nestor J Zaluzec, Dean J Miller, Eric A Stach, Karl K Berggren, Determining the resolution limits of electron-beam lithography: direct measurement of the point-spread function , Nano Letters , 14 , (8 ), 2014, p4406 - 4412
Yu Ran, Georgiev Yordan M, Das Samaresh, Hobbs Richard G, Povey Ian M, Petkov Nikolay, Shayesteh Maryam, O'Connell Dan, Holmes Justin D, Duffy Ray, Junctionless nanowire transistor fabricated with high mobility Ge channel , Physica Status Solidi (RRL)-Rapid Research Letters , 8 , (1 ), 2014, p65 - 68
Borah, D., Rassapa, S., Shaw, M.T., Hobbs, R.G., Petkov, N., Schmidt, M., Holmes, J.D., Morris, M.A.,, Directed self-assembly of PS-b-PMMA block copolymer using HSQ lines for translational alignment, Journal of Materials Chemistry C, 1, (6), 2013, p1192 - 1196
Borah, D., Rassapa, S., Shaw, M.T., Hobbs, R.G., Petkov, N., Schmidt, M., Holmes, J.D., Morris, M.A., Directed self-assembly of PS-b-PMMA block copolymer using HSQ lines for translational alignment, Journal of Materials Chemistry C, 1, (6), 2013, p1192-1196
Rahme, Kamil; Chen, Lan; Hobbs, Richard G; Morris, Michael A; O'Driscoll, Caitriona; Holmes, Justin D; , PEGylated gold nanoparticles: polymer quantification as a function of PEG lengths and nanoparticle dimensions, RSC Advances 3, 17, 2013, p6085-6094
Manfrinato Vitor R, Zhang Lihua, Su Dong, Duan Huigao, Hobbs Richard G, Stach Eric A, Berggren Karl K, Resolution limits of electron-beam lithography toward the atomic scale , Nano Letters , 13 , (4 ), 2013, p1555 - 1558
Lotty Olan, Hobbs Richard, O'Regan Colm, Hlina Johann, Marschner Christoph, O'Dwyer Colm, Petkov Nikolay, Holmes Justin D, Self-Seeded Growth of Germanium Nanowires: Coalescence and Ostwald Ripening , Chemistry of Materials , 25 , 2013, p215 - 222
Hobbs RG, Schmidt M, Bolger CT, Georgiev YM, Fleming P, Morris MA, Petkov N, Holmes JD, Xiu F, Wang KL, Djara V, Yu R, Colinge J-P, Resist-substrate interface tailoring for generating high-density arrays of Ge and Bi 2Se 3 nanowires by electron beam lithography, Journal of Vacuum Science and Technology B, 30, (4), 2012
Hobbs RG, Farrell RA, Bolger CT, Kelly RA, Morris MA, Petkov N, Holmes JD, Selective sidewall wetting of polymer blocks in hydrogen silsesquioxane directed self-assembly of PS-b-PDMS, ACS Applied Materials and Interfaces, 4, (9), 2012, p4637-4642
Hobbs Richard G, Petkov Nikolay, Holmes Justin D, Semiconductor nanowire fabrication by bottom-up and top-down paradigms , Chemistry of Materials , 24 , (11 ), 2012, p1975 - 1991
Barth Sven, Kazakova Olga, Estrade Sonia, Hobbs Richard G, Peiro Francesca, Morris Michael A, Holmes Justin D, Synthesis and Magnetic Characterization of Coaxial Ge1-x Mn x/a-Si Heterostructures , Crystal Growth & Design , 11 , (12 ), 2011, p5253 - 5259
Hobbs Richard G, Barth Sven, Petkov Nikolay, Zirngast Michaela, Marschner Christoph, Morris Michael A, Holmes Justin D, Seedless growth of sub-10 nm germanium nanowires , Journal of the American Chemical Society , 132 , (39 ), 2010, p13742 - 13749
Arnold Donna C, Hobbs Richard G, Zirngast Michaela, Marschner Christoph, Hill Justin J, Ziegler Kirk J, Morris Michael A, Holmes Justin D, Single step synthesis of Ge-SiOx core-shell heterostructured nanowires , Journal of Materials Chemistry , 19 , (7 ), 2009, p954 - 961
Richard G. Hobbs, William P. Putnam, Arya Fallahi, Yujia Yang, Franz X. Kärtner, and Karl K. Berggren, Mapping Photoemission and Hot-Electron Emission from Plasmonic Nanoantennas, Nano Letters, 17, (10), 2017, p6069 - 6076
Chung-Soo Kim, Richard G Hobbs, Akshay Agarwal, Yang Yang, Vitor R Manfrinato, Michael P Short, Ju Li, Karl K Berggren, Focused-helium-ion-beam blow forming of nanostructures: radiation damage and nanofabrication, Nanotechnology, 31, 2020, p045302-
P. D. Keathley, W. P. Putnam, P. Vasireddy, R. G. Hobbs, Y. Yang, K. K. Berggren, F. X. Kärtner, Vanishing carrier-envelope-phase-sensitive response in optical-field photoemission from plasmonic nanoantennas, Nature Physics, 15, 2019, p1128-
Chuan Zhong, Patrick Flanigan, Nicolás Abadía, Frank Bello, Brian D. Jennings, Gwenael Atcheson, Jing Li, Jian-Yao Zheng, Jing Jing Wang, Richard Hobbs, David McCloskey and John F. Donegan, Effective heat dissipation in an adiabatic near-field transducer for HAMR, Optics Express, 26, (15), 2018, p18842--18854
Yujia Yang, Chung-Soo Kim, Richard G Hobbs, Pieter Kruit, Karl K Berggren, Efficient two-port electron beam splitter via a quantum interaction-free measurement, Phys. Rev. A, 98, 2018, p043621-
Ranveig Flatabø, Akshay Agarwal, Richard Hobbs, Martin M Greve, Bodil Holst, Karl K Berggren, Exploring proximity effects and large depth of field in helium ion beam lithography: large-area dense patterns and tilted surface exposure, Nanotechnology, 29, 2018, p275301-
Kamonpan Chumpol, Niall McEvoy, Xia Zhang, Richard G. Hobbs, Multiphoton absorption and graphitization in poly(methyl methacrylate)-coated aluminum nanoantenna arrays, JOURNAL OF PHYSICAL CHEMISTRY C, 124, (16), 2020, p8930 - 8937
Turchetti M., Kim C.-S., Hobbs R., Yang Y., Kruit P., Berggren K.K., Design and simulation of a linear electron cavity for quantum electron microscopy, Ultramicroscopy, 199, 2019, p50 - 61
Kenan Elibol, Clive Downing and Richard G Hobbs, Nanoscale mapping of shifts in dark plasmon modes in sub 10 nm aluminum nanoantennas, Nanotechnology, 33, 2022, p475203-
Yujia Yang, Richard G. Hobbs, Phillip D. Keathley, and Karl K. Berggren, Electron energy loss of ultraviolet plasmonic modes in aluminum nanodisks, OPTICS EXPRESS, 28, (19), 2020, p27405 - 27414
Yujia Yang, Chung-Soo Kim, Richard G Hobbs, Phillip D Keathley, Karl K Berggren, Nanostructured-membrane electron phase plates, ULTRAMICROSCOPY, 217, 2020, p113053-
Navid Abedzadeh, MAR Krielaart, Chung-Soo Kim, John Simonaitis, Richard Hobbs, Pieter Kruit, Karl K Berggren, Electrostatic electron mirror in SEM for simultaneous imaging of top and bottom surfaces of a sample, ULTRAMICROSCOPY, 226, 2021, p113304-
Kenan Elibol, Toma Susi, Clemens Mangler, Dominik Eder, Jannik C Meyer, Jani Kotakoski, Richard G Hobbs, Peter A van Aken, Bernhard C Bayer, Linear indium atom chains at graphene edges, npj 2D Materials and Applications, 7, 2023, p2-
Rahme, K. and Chen, L. and Hobbs, R.G. and Morris, M.A. and O'Driscoll, C. and Holmes, J.D., Correction: PEGylated gold nanoparticles: polymer quantification as a function of PEG lengths and nanoparticle dimensions (RSC Adv. (2013) 3 (6085â"6094) DOI: 10.1039/C3RA22739A), RSC Advances, 7, (15), 2017, p8798-8799
R. O'Meara and V. Dhyani and B.R. Tak and A. McClelland and G. Dawson and C. Storey and A.P.G. Robinson and B. Holst and R.G. Hobbs, Measurement of the lithographic point-spread function of a focused helium ion beam in negative-tone PMMA and fullerene resists on ultrathin membranes, Microelectronic Engineering, 302, 2026, p112405
Robert O'Meara, Bhera Ram Tak, Kamonpan Chumpol, Nebras Alattar Richard George Hobbs, Surface-Plasmon-Driven Solution-Phase Growth of Germanium Nanostructures on Lithographically Defined Nanogap Antenna Arrays, The Journal of Physical Chemistry C, 130, (4), 2026, p1572 - 1581
Non-Peer-Reviewed Publications
Putnam William, Keathley Phillip D., Hobbs Richard G., Berggren Karl K., Kaertner Franz, Probing the Femtosecond Response of Plasmonic Nanoparticles with Strong-field Photoemission, Conference on Lasers and Electro-Optics, San Jose, California, 2017, Optical Society of America, 2017, ppFM3H.1
Yang Yujia, Hobbs Richard G., Manfrinato Vitor R., Goodman Sarah A., Berggren Karl K., Numerical Simulation of Electron Energy Loss Spectroscopy of Aluminum Nanodisk Surface Plasmons, Conference on Lasers and Electro-Optics, San Jose, California, 2017, Optical Society of America, 2017, ppFM3H.4
Yang Yujia, Kim Chung-Soo, Hobbs Richard, Agarwal Akshay, Kruit Pieter, Berggren Karl K, A novel design of coherent and efficient electron beam-splitter based on quantum interaction-free measurement, American Physical Society, 2016
Putnam WP, Hobbs RG, Yang Y, Berggren KK, Kärtner FX, Carrier-envelope phase sensitive photoemission from resonant and off-resonant plasmonic nanoparticles, European Quantum Electronics Conference, Optical Society of America, 2015, ppEE_5a_3-
Yang Yujia, Kim Chung-Soo, Hobbs Richard, Manfrinato Vitor, Celiker Orhan, Kruit Pieter, Berggren Karl, Interaction-Free Quantum Electron Microscope in Free-Space, Americal Physical Society, 1, 2015, pp21008-
Hobbs RG, Yang Y, Keathley PD, De Leo Eva, Graves WS, Berggren KK, Fallahi A, Kärtner FX, Ultrafast, surface plasmon-enhanced, au nanorod optical field electron emitter arrays, International Vacuum Nanoelectronics Conference, IEEE, 2014, pp16 - 17
Fallahi A, Hobbs GR, Yang Y, Keathley PD, Swanwick ME, Velasquez-Garcia LF, Berggren KK, Kärtner FX, Complete simulation of laser induced field emission from nanostructures using a DGTD, PIC and FEM code, International Particle Accelerator Conference, Dresden, Germany, 2014
Putnam William, Hobbs Richard, Yang Yujia, Berggren Karl K, Kärtner Franz, Carrier-envelope phase sensitive strong-field photoemission from plasmonic nanoparticles, CLEO, Optical Society of America, 2014, ppFTu1D - 5
WS Graves, K Berggren, S Carbajo, R Hobbs, K Hong, W Huang, FX Kärtner, PD Keathley, DE Moncton, E Nanni, K Ravi, M Swanwick, LF Velásquez-García, LJ Wong, Y Yang, L Zapata, Y Zhou, J Bessuille, P Brown, E Ihloff, J Derksen, A Fallahi, F Scheiba, X Wu, D Mihalcea, Ph Piot, I Viti, Compact xfel light source, Free Electron Laser Conference, 2013
RG Hobbs, Y Yang, PD Keathley, WS Graves, ME Swanwick, LF Velásquez-García, KK Berggren, FX Kärtner, High-density optically actuated Au nanorod electron emitter arrays, International Vacuum Nanoelectronics Conference, IEEE, 2013, pp1 - 2
Yu Ran, Das Samaresh, Hobbs Richard, Georgiev Yordan, Ferain Isabelle, Razavi Pedram, Akhavan Nima Dehdashti, Colinge Cynthia A, Colinge Jean-Pierre, Top-down process of Germanium nanowires using EBL exposure of Hydrogen Silsesquioxane resist, International Conference on Ultimate Integration of Silicon, ULIS, 2012, IEEE, 2012, pp145 - 148
Hobbs Richard, Petkov Nikolay, Holmes Justin, 'Methods and materials for lithography of a high resolution HSQ resist', US Patent App. 14/113,175, 2012, 23 July 2026
Chumpol, K. and Elibol, K. and Zhang, X. and Hobbs, R.G., Mapping electron emission and multiphoton absorption in plasmonic nanoantenna arrays, META 2019, Lisbon Portugal, 2019, pp377-378
Chuan Zhong, Patrick Flanigan, Nicolás Abadía, Brian Jennings, Frank Bello, Gwenael Atcheson, Jing Li, Jian-Yao Zheng, Richard Hobbs, David McCloskey and John F. Donegan, High Coupling Efficiency Adiabatic Near-field Transducer for (HAMR), 2018 Conference on Lasers and Electro-Optics, CLEO 2018, CLEO: Applications and Technology, 2018, OSA, 2018, pp1-
Putnam, W.P. and Keathley, P.D. and Hobbs, R.G. and Vasireddy, P. and Berggren, K.K. and Kartner, F.X., Sub-Cycle Effects in Carrier-Envelope-Phase-Sensitive Photoemission from Plasmonic Nanoparticles, CLEO 2018, (8426475), 2018
Bodil Holst and Adrià Salvador Palau and Daniel Fojo Álvarez and Francesco Andreoli and Eduard Bartrons and Toby Bird and Giorgio Calandra and Simon Coop and Antoni Fierro Gonzales and Borja Gorriz and Daniel J. Hall and Owen Thomas Huisman and William Huntington and Teresa Karanikolaou and Meghanad Kayanattil and Julien Lecoffre and Marc López Vilamajó and Juan Jose J. Nieto and Andrew Pratt and Pietro Rancati and Bappaditya Sankari and Espen Werdal Selfors and Adrian Parveet James Sidhu and Lorentz Askvik Tvedt Syslak and Philip Wulfsberg and Richard G. Hobbs and Bhera Ram Tak and Danilo De Simone and Gian Lorusso and John Petersen, Advances in metastable helium (He) atom lithography, Proceedings of SPIE: Novel Patterning Technologies 2026, SPIE Advanced Lithography + Patterning, edited by Ricardo Ruiz and Richard A. Farrell , 13982, SPIE, 2026, pp139820M
Richard Hobbs, Nikolay Petkov and Justin Holmes, 'Methods and materials for lithography of a high resolution HSQ resist', University College Cork TTO, 2012, 23 July 2026, University College Cork / University College Cork, National University of Ireland, Cork
Bodil Holst and Richard Hobbs, 'A STENCIL, A SYSTEM AND A METHOD OF PRODUCING A STENCIL FOR MATTER WAVE LITHOGRAPHY', Lace Lithography AS, 2026, 23 July 2026, Lace Lithography AS
Richard G. Hobbs, William P. Putnam, Arya Fallahi, Yujia Yang, Franz X. Kärtner, and Karl K. Berggren, Mapping photoemission and hot-electron emisssion from plasmonic nanoantennas, META 2018, 2018
R. G. Hobbs, W. P. Putnam, A. Fallahi, Y. Yang, F. X. Kärtner, and K. K. Berggren, Spatial-Mapping of Photoemission from Plasmonic Nanoparticle Arrays, EIPBN, 2015
R. G. Hobbs, M. K. Mondol, N. Honda, R. Hardman, and K. K. Berggren, Lithographic Evaluation of gL-2000: A High-Resolution Resist for Electron-Beam Lithography, EIPBN 2015, 2015
Robert O'Meara, Richard G. Hobbs, Growth of Nanocrystalline Germanium on Plasmonic Nanoantennas, EIPBN, 2022
Robert O'Meara, Veerendra Dhyani, Richard G. Hobbs, Measurement of the Helium Ion Point-Spread Function on Ultrathin Membranes, EIPBN 2022, 2022
Bhera Ram Tak, Riley Gatensby, Robert O'Meara, Clive Downing and Richard G. Hobbs, Fabrication and characterization of 10-nm-diameter nanopore arrays for applications in mask-based metastable atom-beam lithography, EIPBN, 2024
Bhera Ram Tak, Kamonpan Chumpol, Robert O'Meara, Nebras Alattar and Richard G. Hobbs, Narrow linewidth surface lattice resonances in plasmonic aluminum nanoantenna arrays, EIPBN, 2024
Bhera Ram Tak, Robert O'Meara, Nebras Alattar, Hodjat Hajian, Richard G. Hobbs, Ultranarrow Linewidth Surface Lattice Resonances in Aluminum Bowtie Metasurfaces, META, 2026
Research Expertise
Projects
- Title
- Nanolace
- Funding Agency
- European Commission
- Date From
- 1 Jan 2020
- Date To
- 31 Dec 2024
- Title
- Engineering energy transfer on the nanoscale at plasmonic surfaces
- Funding Agency
- Royal Society and SFI
- Title
- Engineering plasmonic nanoantennas for nanochemistry and ultrafast electronics
- Funding Agency
- Royal Society and Science Foundation Ireland
- Date From
- 1 Oct 2021
- Date To
- 30 Sep 2024
- Title
- Engineering plasmonic nanoantennas for nanochemistry and ultrafast electronics
- Funding Agency
- Royal Society and Science Foundation Ireland
Recognition
Representations
University Representative, State Examinations Commission. University observer of leaving certificate chemistry/chemistry and physics exam papers, advising on content and level of exam material.
Member of Royal Society's International Exchanges Committee. Duties included reviewing applications for International Exchange funding and Newton International Fellowships. Funding amounts ranged from €10,000-€80,000 depending on the programme.
Journal reviewer for Journal of the American Chemical Society, Nano Letters, Nature Communications, IOP Nanotechnology, Journal of Physical Chemistry, RSC Advances, PLOS One, Journal of Materials Chemistry C.
Symposium organiser at EUROMAT 2021 conference. Symposium titled "Materials for photonics and optics"