Jim Greer

Li Dak Sum Chair Professor in Advanced Electronic Materials and Devices

Electrical and Electronic Engineering / Faculty of Science and Engineering
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Room 424, Sir Peter Mansfield Building


University of Nottingham Ningbo China


199 Taikang East Road, Ningbo, 315100, China


+86(0)574 88180000 (Ext. 8756)


Doctor rerum naturalium, Albert-Ludwigs-Universität, Freiburg, Germany 

Master in Science, Trinity College Dublin, Ireland 

Bachelor of Science in Electrical Engineering, University of Texas at Austin, USA


During his early career, Professor Greer worked in various roles in the semiconductor industry. At United Technologies Mostek, he designed read-only-memory circuits and fabrication processes. At Texas Instruments, he developed models for high frequency bipolar transistors. At the invitation of the Japan Key Technology Center, he investigated atomic scale models for electronic materials at Hitachi’s Central Research Laboratory. In 1992, he was appointed the Quatercentenary Lecturer at Trinity College Dublin as part of the 400th anniversary celebrations marking the founding of the university. His role was to promote high performance computing and multidisciplinary education. He joined the National Microelectronics Research Centre in Cork, Ireland, now Tyndall National Institute, in 1997.  There he recruited a team of researchers that are now recognised as world leaders in advanced electronic materials and electronic device physics. His work has led to collaborations with industry giants in electronics technology resulting in funded research projects, joint publications, and knowledge transfer.

Professor Greer was on the management board for the Emerging Nanopatterning Methods (NaPa), a project funded under the European Union’s nanotechnology initiative. The NaPa consortium consisted of 35 groups spread across 14 countries, including laboratories from both industry and academia. Until 2017, he was the director for the European Union excellent science initiative ASCENT tasked with providing access for the global research community to state-of-the-art infrastructure provided by the leading nanoelectronics laboratories in Europe. Professor Greer was recognised by the Government of Ireland as a “Champion of European Union Research”.

He is on the editorial boards of the Journal of Physics: Condensed Matter and the journal Microelectronics Engineering. He is recipient of the “Outstanding Researcher Award in Simulation and Metrology” as selected by the Intel Semiconductor Technology Committee – one of eleven such awards given worldwide. He is co-author of a textbook on nanowire transistors [Nanowire Transistors: Physics of Devices and Materials in One Dimension, Cambridge University Press: Cambridge (2016)]. 


Expertise Summary

Nanowire transistors & emerging device concepts, electronic structure of advanced electronic materials, quantum electronic transport

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Nanowire Transistors: Physics of Materials and Devices in One-Dimension

Thermodynamics of Finite Systems

Key Enabling Technologies

Solid-state Device Engineering

Solid-state Circuit Design

Electronic Structure Methods

Computational Methods for Engineering & Science

Supervision and Examination of PhD degrees

Professor Greer has acted as an internal examiner for 17 PhD students while at Trinity College Dublin and the Tyndall National Institute, University College Cork.

He has acted as an external PhD examiner for the following institutions: Trinity College Dublin; Universite Paul Sabatier, Toulouse; Helsinki Institute of Technology; Queen’s University Belfast; Universidad de Granada; Royal Institute of Technology, Stockholm; Universidad Politécnica de Madrid; Dublin Institute of Technology; Dublin City University.

Professor Greer has supervised 12 PhD and 3 Master students to completion and he has served on an additional 16 PhD supervision committees.

Research interests

Study of materials in the regime where quantum mechanical effects begin to dominate electronic device behaviour; Design of emerging electron devices for beyond classical CMOS integration; Treatment of electron-electron correlation for determining current-voltage characteristics on the nanoscale; Surface effects in nanowires and other low-dimensional systems; Semimetals for electronics; Atomic scale models for nanowire transistors and interconnects

Consulting, Research Reports

Multi-scale Modeling for Devices and Circuits, F. Ortmann, S. Roche, J. C. Greer, G. Huhs, X. Oriols, T. Shulthess, T. Deutsch, P. Weinberger, M. Payne, J. M. Sellier, J. Sprekels, J. Weinbub, K. Rupp, D. Vasileska, E. Alfinito, L. Reggiani, D. Guerra, D. K. Ferry , M. Saraniti, S. M. Goodnick, A. Kloes, L. Colombo, K. Lilja, J. Mateos, T. Gonzalez, E. Velazquez, P. Palestri, A. Schenk,  and M. Macucci, Position Paper present to the European Union COST Action: European Multiscale Simulation for the Computational Era, and in e-nanonewsletter, Phantoms Foundation, Special Issue, April (2012)

Status of Modelling for Nanoscale Information Processing and Storage Devices, M. Macucci, S. Roche, A. Correia, J. Greer, X. Bouju, M. Brandbyge, J. Saenz, M. Bescond, D. Rideau, P. Blaise, D. Sanchez-Portal, J. Iñiguez, G. Cuniberti and H. Sevincli, E-nano Newsletter, no. 16, pp. 5-28 (2009)



JP Colinge & JC Greer (2016). Nanowire Transistors: Physics of Devices and Materials in One Dimension. Cambridge: Cambridge University Press. doi:10.1017/CBO9781107280779

Edited Books

Bridging Atomic and Macroscopic Scales for Materials, Process and Device Design, ed. J. Greer et al, Computational Materials Science, vol. 28/2 (2004)

Nano and Giga Challenges in Microelectronics, ed. J. Greer, A. Korkin, and J. Labanowski, Elsevier, 255 pages (2003)

EMRS 2002 Spring Meeting Symposium A: Atomic Scale Materials Design, ed. J. Greer et al, Computational Materials Science, 27 xi-xii (2003)

Nano and Giga Challenges in Microelectronics 2002, ed. J. Greer et al, Microelectronic Engineering, 69 (2-4) p.150 (2003).

Preface to 1999 E-MRS Spring Meeting Symposium L: Ab Initio Approaches to Microelectronics Materials and Process Modelling, Jim Greer, Materials Science in Semiconductor Processing, 3 pp. 1 (2000)

Book Chapters

Transistor Structures for Nanoelectronics, Jean-Pierre Colinge and Jim Greer in Handbook of Nanophysics, Vol. 6: Nanoelectronics  and Nanophotonics, pp. 12-1 to 12-13,  CRC Press (2010)

Effect of Chemical Environment and Strain on Oxygen Vacancy Formation Energies at Silicon-Silicon Dioxide Interfaces, T.M. Henderson, J.C. Greer, G. Bersuker, A. Korkin, and R.J. Bartlett, Defects In Advanced High-κ Nano-electronic Semiconductor Devices, ed. E. P. Gusev, Springer (2006) pp. 373-384. Printed in the Netherlands.

Thermal and Mechanical Problems in Microelectronics, O. Slattery, G. Kelly, and J. Greer, Benefiting from Thermal and Mechanical Simulation in Micro-Electronics, eds. G. Q. Zhang, L. J. Ernst, O. De Saint Leger, Kluwer Academic Publishers (2001), pp. 17 – 26, ISBN 0 – 7923-7278-6

Recent Refereed Journal Papers

Influence of surface stoichiometry and quantum confinement on the electronic structure of small diameter InxGa1-xAs nanowires, P Razavi and JC Greer, Materials Chemistry and Physics, 206, 35-39 (2018)

Reinventing solid state electronics: Harnessing quantum confinement in bismuth thin films, F Gity, L Ansari, M Lanius, P Schüffelgen, G Mussler, D Grützmacher, and JC Greer, Applied Physics Letters, 110, 093111 (2017)

First principles modeling of defects in the Al2O3/In0. 53Ga0. 47As system, G Greene-Diniz, KJ Kuhn, PK Hurley, and JC Greer, Journal of Applied Physics 121, 075703 (2017)

Electronic structure tuning via surface modification in semimetallic nanowires, A Sanchez-Soares, C O'Donnell, and JC Greer, Physical Review B 94, 235442 (2016)

Electronic and structural properties of rhombohedral [1 1 1] and [1 1 0] oriented ultra-thin bismuth nanowires, L Ansari, F Gity, and JC Greer, Journal of Physics: Condensed Matter 29, 065301 (2016)

A semimetal nanowire rectifier: balancing quantum confinement and surface electronegativity, A Sanchez-Soares and JC Greer, Nano Letters 16, 7639-7644, (2016)

Effect of strain, thickness, and local surface environment on electron transport properties of oxygen-terminated copper thin films, A Sanchez-Soares, SLT Jones, JJ Plombon, AP Kaushik, RE Nagle, JS Clarke and JC Greer, Physical Review B 94, 155404 (2016)

A sub kBT/q semimetal nanowire field effect transistor, L Ansari, G Fagas, F Gity, and JC Greer, Applied Physics Letters, 109, 063 (2016)

Energies of the X-and L-valleys in In0. 53Ga0. 47As from electronic structure calculations, G Greene-Diniz, MV Fischetti and JC Greer, Journal of Applied Physics 119, 055707 (2016)

Conference presentations

Recent Conference Papers

Atomic-Scale Simulation of Semimetal-To-Semiconductor Transition in Bismuth Nanowires for Future Generation of Nanoelectronic Devices, L. Ansari, F. Gity, J. C. Greer, 16th IEEE-NANO International Conference on Nanotechnology, pp. 963 - 965, August 22 -25, 2016, Sendai, Japan, DOI: 10.1109/NANO.2016.7751390

Strained Semimetallic and Semiconducting SnNW, L. Ansari, G. Fagas, J. C. Greer, Proceedings of the 15th IEEE-NANO International Conference on Nanotechnology, pp. 774 – 776, July 27-30, 2015, Rome, Italy, DOI: 10.1109/NANO.2015.7388724

Semi-Metal Nanowire Transistors from First Principle Calculations, L. Ansari, G. Fagas, and J.C. Greer, 5th International Symposium on Graphene, Ge/III-V and Emerging Materials For Post-CMOS Applications at the 223rd Meeting of the Electrochemical-Society (ECS), pp.  259-267, May12-17, 2013, Toronto, Canada

Comparison Between the Performance of Silicon Nanowire, Germanium Nanowire and Carbon Nanotube Junctionless Transistors from First Principle Calculations, L. Ansari, B. Feldman, G. Fagas, J.-P. Colinge, and J.C. Greer, Meeting Abstract - Electrochemical Society, 1201, 1184 (2012)

Atomic Scale Simulation of a Junctionless Silicon Nanowire Transistor, ULIS11 - 12th Conference on Ultimate Integration on Silicon, IEEE Conference Proceedings (10.1109/ULIS.2011.5757976) (2011)

Electronegativity in Correlated Electron Transport in Molecular Wires, G. Fagas and J. C. Greer, Proceedings of the Nano-Sol_Net International Symposium “Trends in Organic Electronics and Hybrid Photovoltaics”, Eforie Nord, 12-14  June 2008, ed. Mihia A Girtu, Mats Fahlman, Constanta, Ovidius University Press, pp. 9-14 (2008)

Modelling of Sb Activation in Ultra-shallow Junction Regions in Bulk and Strained Si, Yan Lai, Nicolas Cordero, James C. Greer, Doping Engineering for Front-End Processing, edited by B.J. Pawlak, M.L. Pelaz, M. Law, K. Suguro, Mater. Res. Soc. Symp. Proc. Volume 1070, Warrendale, PA, 2008, 1070-E03-05.

Recent Conference Meeting Presentations

Many Electron Correlated Scattering, Jim Greer, 57th Sanibel Symposium, St. Simon’s Island, GA, USA, February 19 – 24 (2017) 

Surface Chemical Modification of Semimetal Nanowires for Schottky Barrier Diodes, A. Sanchez-Soares and James C. Greer, 2016 NVM Psi-k Workshop: New Horizons for Memory Storage: Advancing Non-volatile Memory with Atomistic Simulations. Dublin, Ireland. June 29th - July 1st 2016

Tunnel Field Effect Transistor Based on Semimetal Nanowire, L. Ansari, G. Fagas, F. Gity, J. C. Greer, International MicroNano Conference 2016, Amsterdam-Netherland. 13 - 14 December 2016.

Atomic-Scale Simulation of Semimetal-To-Semiconductor Transition in Bismuth Nanowires for Future Generation of Nanoelectronic Devices, L. Ansari, F. Gity, J. C. Greer, 16th IEEE-NANO International Conference on Nanotechnology, Sendai, Japan.  22 – 25 August 2016.

Electron Transport in Copper Thin Films, A. Sanchez-Soares, S.L.T. Jones and James C. Greer, Intel Ireland Research Conference 2015. Dublin, Ireland. 20th October 2015.

Observation of the Semimetal-to-Semiconductor Transition in Bi films and Its Applications in Nanoelectronics, Farzan Gity, Lida Ansari, Matthew Smith, Gregor Mussler, and James C. Greer, 6th International Conference on Micro-Nanoelectronics, Nanotechnologies & MEMs, Athens, Greece, 4 - 7 October 2015.

Strained Semimetallic and Semiconducting SnNWs, L. Ansari, G. Fagas, J. C. Greer, 15th IEEE-NANO International Conference on Nanotechnology, Rome, Italy. July 27-30, 2015.

First Principles Modelling of Defects in Al2O3 passivated InGaAs, Gabriel Francis Greene Diniz and James C. Greer, 15th IEEE-NANO International Conference on Nanotechnology, Rome, Italy. July 27-30, 2015.

Database Development and Validation for Modeling of Electronic and Photonic Devices, E.P. O’Reilly, J.C. Greer, S. Schulz, and M. A. Caro, The 3rd Workshop of the European Multi-scale Modelling Cluster: Interoperability in Multiscale Modelling of Nano-enabled Materials, Jyväskyla, Finland. 28 -29 May 2015.

Bandgap Engineering in Ultra-thin Sn Nanowires, A. Sanchez-Soares and James C. Greer, Intel Ireland Research Conference 2014. Dublin, Ireland. 18th November 2014.

First Principles Modelling of Defects in Al2O3 Passivated InGaAs, G. Greene-Diniz, P. K. Hurley, F. Fahmida, R. Rios, K.J. Kuhn and J. C. Greer, WODIM 2014 – the 18th Workshop on Dielectrics in Microelectronics, Kinsale, Ireland, 9-11 June (2014)

Recent Invited lectures

Exploiting Quantum Confinement for Nanoelectronics using Semimetals: Bismuth and Tin Germanium Alloys, Farzan Gity, Alfonso Sanchez, Lida Ansari, Conor O’Donnell, Jim Greer, Compound Semiconductor Week, Berlin Germany, 14-18 May 2017 [Invited Talk]

Modelling 14 nm CMOS and Emerging Devices through ASCENT, T. Chiarella, N. Cordero, J. Donnelly, O. Faynot, J. Greer, D. Holden, G. Maxwell, J. Mitard, A. Mercha, G. Reimbold, P. Roseingrave, V. Terzieva, 14th MOS-AK ESSDERC/ESSCIRC Workshop, Lausanne, CH, September 12, 2016. [Invited Talk]

Electron Correlation in Atomic Chains, Thomas Kelly and J.C. Greer, 251st American Chemical Society National Meeting and Exposition, San Diego, CA USA, March 10 – 17, 2016. [Invited Talk]

ASCENT: Infrastructure Underpinning Advanced Nanoelectronics Design and Emerging Devices, J. C. Greer, INC12, Leuven, Belgium. May 10 -12, 2016. [Plenary Talk]

When Silicon is not Silicon: Nanowire Transistors Below 6 nanometre, J.C. Greer, Nanonet Ireland 2015, University of Limerick, October 21-22 (2015) [Invited Talk]

Electron Correlation and Excited States, Jim Greer, RAPID workshop on Plasma Surface Interaction Modeling, Cork, Ireland, 4-6 March (2015) [Invited seminar]

Quantum Mechanics on the Nanoscale, Jim Greer, RAPID workshop on Plasma Surface Interaction Modeling, Cork, Ireland, 4-6 March (2015) [Invited seminar]

Monitoring Dublin’s “Urban Nervous System“, Barry Downes and Jim Greer, The Inaugural Internet of Things Summit, Carton House, Kildare, Ireland, June 17 (2015) [Invited Talk]

Celebrating 50 Years of Moore’s Law, Jim Greer, European Union DG Connect, Brussels, Belgium, 30 April (2015) [Plenary Talk]

Transistors Below 6 nm, Jim Greer, Tyndall Technology Days, Lttle Island, Cork, Ireland, 15 October  (2015) [Invited Talk]

Nanotechnology in Emergency Medicine, James Greer, Irish Association for Emergency Medicine Conference (IAEM 2015), 15 October (2015) [Invited Talk]

Atomic Scale Limits for Metal Interconnects, Jim Greer, Nano and Giga Challenges in Electronics, Photonics and Renewable Energies, Tempe AZ, USA, March 10-14 (2014) [Plenary Talk]

First Principle Based Analysis of Junctionless Transistors, Jim Greer, Global Forum on Nanoelectronic Manufacturing: From Materials to Systems, Mumbai, India, 8-10 October (2014) [invited, panel]

Design of a Semimetal Transistor, Jim Greer, ImagineNano 2013- NanoSpain Conference, Bilbao, Spain, April 23-26 (2013)

Running Out of Atoms: Transistor Design at the End of the Roadmap, Jim Greer, Intel Ireland Research Conference, Clontarf Castle, Dublin, Ireland, Nov. 21-22 (2013) [Keynote Talk]

High Performance Computing Supporting the Scientific Community, Jim Greer, Launch of Irish Centre for High End Computing New Funding Cycle, Royal Irish Academy, Dublin, Ireland, July 4 (2013) [Keynote talk]

Funded projects / Research grants


ASCENT – European Nanoelectronics Access (www.ascent.network)


Project Coordinator/Lead Principle Investigator

Funding agency:

European Union Excellent Science Initiative

Funding amount:

€1,761,452 (approx. RMB 13,900,000) of a project total of €4,698,624

Project duration:

1-May-2015 to 30-April-2019



SMALL - Semi-Metal ALL-in-One Technologies


Principal Investigator

Funding agency:

Science Foundation of Ireland

Funding amount:

€937,161 (approx. RMB 7,400,00)

Project duration:

1-Sept-2014   31-Aug-2018



Interconnect & Transistor Modelling and Fabrication


Principal Investigator

Funding agency:

Semiconductor Industry

Funding amount:

€528,000 (approx.  RMB 4,170,000)

Project duration:

1-Apr-2013 to 31-Mar-2018



INSPIRE – Irish National Nanoscience and Nanotechnology Graduate Education (www.flexilearn.ie/inspire/nanoscience-research-ireland/Education-Programme)


Project Principle Investigator

Funding agency:

Irish Higher Education Authority

Funding amount:

€1,200,000 (approx. RMB 9,500,00) of €3,400,000

Project duration:

1-Jan-2011    31-Dec-2016



DEEPEN - Atom-to-device Explicit Simulation Environment for Photonic and Electronics Nanostructures (www.nmp-deepen.eu)


Project Partner/Workpackage Leader

Funding agency:

European Union

Funding amount:

€225,000 (approx. RMB 1,780,000) of €2,686,000

Project duration:

1-Jan-2014 to 31-Dec-2016