Publications

Papers

F. J. Tilley, Mervyn Roy, P. A. Maksym, P. M. Koenraad, C. M. Krammel, and J. M. Ulloa, Scanning tunneling microscopy contrast of isovalent impurities on the GaAs (110) surface explained with a geometrical model. Phys. Rev. B 93, 035313 (2016) [ DOI ]

Baker SH, Kurt MS, Roy M, Lees MR, Binns C. Structure and magnetism in Cr-embedded Co nanoparticles. Journal of physics. Condensed matter : an Institute of Physics journal 28(4):046003 Feb 2016 [ DOI ]

Peddis D, Qureshi MT, Baker SH, Binns C, Roy M, Laureti S, Fiorani D, Nordblad P, Mathieu R. Magnetic anisotropy and superspin glass behaviour of Fe nanoparticles embedded in Cr and Ag matrices.Philosophical Magazine Letters: structure and properties of condensed matter 95(33):3798-3807 22 Nov 2015 [ DOI ]

Williams JOD, Lapington JS, Roy M, Hutchinson IB. Graphene as a novel single photon counting optical and ir photodetector. IET, Graphene-Based Technologies, 1 (2015), 10.1049/ic.2015.0002

Qureshi MT, Baker SH, Binns CB, Roy M, Laureti S, Fiorani D, Peddis D. Structure and magnetic properties of Fe nanoparticles embedded in a Cr matrix. Journal of Magnetism and Magnetic Materials 378:345 Nov 2014 [ DOI ]

Roy M, Maksym PA. Generalised effective mass theory of sub-surface scanning tunnelling microscopy: application to weakly bound impurity states. Journal of Physics: Conference Series 526, 012008, Jun 2014. [ DOI ]

Tilley FJ, Roy M, Maksym PA. LDA DFT simulations of an isolated silicon donor on the (110) surface of GaAs. Journal of Physics: Conference Series 526, 012009, Jun 2014. [ DOI ]

Casewell SL, Littlefair SP, Burleigh MR, Roy M. Spectroscopically confirmed brown dwarf members of Coma Berenices and the Hyades. Monthly Notices of the Royal Astronomical Society 441(3):2644-2649, Apr 2014. [ DOI ]

Baker SH, Roy M, Binns C, Lees M. Controlling Crystal Structure in Embedded Magnetic Nanoparticles. Acta Crystallographica Section A: Foundations and Advances 70(a1):C961-C961, Aug 2014. [ DOI ]

SH Baker, M Lees, M Roy, and C Binns. Structure and magnetism in fe/fexpd1-x core/shell nanoparticles formed by alloying in pd-embedded fe nanoparticles. Journal of Physics: Condensed Matter 25, 386004, Aug 2013. [ DOI ]

PB Howes, S Rhead, M Roy, CL Nicklin, JL Rawle, and CA Norris. Silicon Σ13 501 grain boundary interface structure determined by bicrystal bragg rod x-ray scattering. Acta Materialia, pages 5694-5701, Jul 2013. [ DOI ]

M Roy and PA Maksym. Effective mass theory of interacting electron states in semiconducting carbon nanotube quantum dots. Physical Review B - Condensed Matter and Materials Physics, 85, May 2012. [ DOI ]

SH Baker, M Roy, SC Thornton, and C Binns. Realizing high magnetic moments in fcc fe nanoparticles through atomic structure stretch. J Phys Condens Matter, 24:176001, May 2012. [ DOI | http ]

MR Connolly, RK Puddy, D Logoteta, P Marconcini, M Roy, JP Griffiths, GAC Jones, PA Maksym, M Macucci, and CG Smith. Unraveling quantum hall breakdown in bilayer graphene with scanning gate microscopy. Nano Letters: a journal dedicated to nanoscience and nanotechnology, 12:5448-5454, Oct 2012. [ DOI ]

MR Connolly, ED Herbschleb, RK Puddy, M Roy, D Anderson, GAC Jones, P Maksym, and CG Smith. Reading and writing charge on graphene devices. Applied Physics Letters, 101(023505), Nov 2011. [ DOI ]

SL Casewell, RF Jameson, MR Burleigh, PD Dobbie, M Roy, ST Hodgkin, and E Moraux. Methane band and spitzer mid-ir imaging of l and t dwarf candidates in the pleiades. Monthly Notices of the Royal Astronomical Society, 412:2071-2078, Apr 2011. [ DOI ]

PA Maksym, M Roy, MF Craciun, S Russo, M Yamamoto, S Tarucha, and H Aoki. Proposal for a magnetic field induced graphene dot. QUANTUM DOTS 2010, volume 245 of Journal of Physics Conference Series, IOP publishing, Jan 2010. [ DOI ]

M Roy, PA Maksym, D Bruls, P Offermans, and PM Koenraad. Generalized effective-mass theory of subsurface scanning tunneling microscopy: Application to cleaved quantum dots. Physical Review B, 82(ARTN 195304), Nov 2010. [ DOI ]

C Binns, N Domingo, AM Testa, D Fiorani, KN Trohidou, M Vasilakaki, JA Blackman, AM Asaduzzaman, S Baker, M Roy, and D Peddis. Interface exchange coupling in co nanoparticles dispersed in a mn matrix. J. Phys. Condens. Matter, 22:436005, Nov 2010. [ DOI | http ]

SH Baker, M Roy, SC Thornton, M Qureshi, and C Binns. Probing atomic structure in magnetic core/shell nanoparticles using synchrotron radiation. J Phys Condens Matter, 22:385301, Sep 2010. [ DOI | http ]

GN Iles, C Binns, SH Baker, and M Roy. Ferromagnetism of dy films containing embedded fe atoms and nanoparticles. Journal of Magnetism and Magnetic Materials, 322:2509-2515, Sep 2010. [ DOI ]

PA Maksym, M Roy, MF Craciun, S Russo, M Yamamoto, S Tarucha, and H Aoki. Proposal for a magnetic field induced graphene dot. QUANTUM DOTS 2010, volume 245 of Journal of Physics Conference Series, IOP publishing, Jan 2010. [ http ]

M Roy and PA Maksym. Calculation of the few-electron states in semiconductor carbon nanotube quantum dots by exact diagonalisation. Journal of Physics: Conference Series, IOP publishing 242, 2010. [ DOI ]

M Roy and PA Maksym. 2-electron wigner molecules in carbon nanotube quantum dots: Excited states. Physica E, 2009. [ DOI ]

G Giavaras, PA Maksym, and M Roy. Electron confinement in single layer graphene quantum dots: semiclassical approach. Physica E, 42:715, 2009. [ DOI ]

AP Wijnheijmer, JK Garleff, K Teichmann, M Wenderoth, S Loth, RG Ulbrich, PA Maksym, M Roy, and PM Koenraad. Enhanced donor binding energy close to a semiconductor surface. Physical Review Letters, 102, 2009. [ DOI ]

SH Baker, M Roy, SJ Gurman, and C Binns. Extended x-ray absorption fine structure studies of the atomic structure of nanoparticles in different metallic matrices. Journal of Physics: Condensed Matter, 21:183002, Apr 2009. [ DOI ]

G Giavaras, PA Maksym, and Roy. Magnetic field induced confinement-deconfinement transition in graphene quantum dots. Journal of Physics: Condensed Matter, 21, 2009. [ DOI ]

M Roy and PA Maksym. Semiconducting carbon nanotube quantum dots: Calculation of the interacting electron states by exact diagonalisation interacting electron states by exact diagonalisation. Europhysics Letters, 86, 2009. [ DOI ]

PA Maksym, M Roy, AP Wijnheijmer, and PM Koenraad. Computational models for interpretation of wave function imaging in cross-sectional stm of quantum dots. Physica E, 40:1152, Mar 2008. [ DOI ]

M Roy and PA Maksym. Interacting electrons in a semiconducting carbon nanotube dot: A 2-band approach. Physica E, 40:1616, Mar 2008. [ DOI ]

SH Baker, AM Asaduzzaman, M Roy, SJ Gurman, C Binns, JA Blackam, and Y Xie. Atomic structure and magnetic moments in cluster-assembled nanocomposite fe/cu films. Physical Review B, 78:14422, Jul 2008. [ DOI ]

C Binns, PB Howes, SH Baker, H Marchetto, A Potenza, P Steadman, SS Dhesi, M Roy, MJ Everard, and A Rushforth. Loss of long-range magnetic order in a nanoparticle assembly due to random anisotropy. Journal of Physics: Condensed Matter, 20:55213, Jan 2008. [ DOI ]

A Martindale, NP Bannister, GW Frase, KDM Harris, VK Muppidi, CA Solan, Y Champouret, SP Collins, and M Roy. Narrow-band x-ray polarizing filters. Proceedings of SPIE - The International Society for Optical Engineering, 6686, 2007. [ DOI ]

A Martindale, NP Bannister, KDM Harris, GA Solan, SP Collins, Y Champouret, VK Muppidi, GW Fraser, and M Roy. Narrow-band x-ray polarizing filters - art. no. 66860x. In OHW Siegmund, editor, UV, X-RAY, AND GAMMA-RAY SPACE INSTRUMENTATION FOR ASTRONOMY XV, volume 6686 of Proceedings of the society of photo-optical instrumentation engineers, X6860-X6860. SPIE-INT SOC OPTICAL ENGINEERING, Jan 2007. [ DOI ]

M Roy and PA Maksym. A semiconducting nanotube quantum dot: the effect of the form of the confinement potential. Physica Status Solidi ( c), 3:3959-3962, Nov 2006. [ DOI ]

SH Baker, M Roy, S Louch, and C Binns. Atomic structure in magnetic cluster assembled Fe/Co films as determined from extended absorption fine structure. Journal of Physics: Condensed Matter, 18:2385-2399, Mar 2006. [ DOI ]

J Ibanez, R Cusco, S Hernandez, L Artus, M Henini, A Patane, L Eaves, M Roy, and PA Maksym. Probing the intermixing in in(ga)as/gaas self-assembled quantum dots by raman scattering. Journal of Applied Physics, 99:43501, Feb 2006. [ DOI ]

P Offermans, PM Koenraad, JH Wolter, K Pierz, M Roy, and PA Maksym. Atomic-scale structure and photoluminescence of InAs quantum dots in GaAs and AlAs. Physical Review B, 72:165332, Oct 2005. [ DOI ]

P Offermans, PM Koenraad, JH Wolter, K Pierz, M Roy, and PA Maksym. Formation of InAs quantum dots and wetting layers in GaAs and AlAs analyzed by cross-sectional scanning tunneling microscopy. Physica E, 26:236-240, Feb 2005.

D Chaney, M Roy, and PA Maksym. Efficient calculation of electron states in self-assembled quantum dots: Application to auger relaxation, Quantum Dots: Fundamentals, Applications and Frontiers, pages 239-255. Springer, Netherlands, 2005.

SH Baker, M Roy, SJ Gurman, S Louch, A Bleloch, and C Binns. Atomic structure of embedded Fe nanoclusters as a function of host matrix material: a synchrotron radiation study. Journal of Physics: Condensed Matter, 16:7813-7821, Nov 2004.

P Offermans, PM Koenraad, JH Wolter, K Pierz, M Roy, and PA Maksym. InAs quantum dot and wetting layer formation in GaAs and AlAs analyzed by cross-sectional scanning tunneling microscopy. In PHYSICS OF LOW-DIMENSIONAL NANOSTRUCTURES, pages 1-8, Oct 2004.

P Offermans, PM Koenraad, JH Wolter, K Pierz, M Roy, and PA Maksym. Formation of inas quantum dots and wetting layers in gaas and alas analyzed by cross-sectional tunneling microscopy. In DG Austing, P Hawrylak, DJ Lockwood, and AS Sachrajda, editors, Quantum Dots 2004, pages 236-240.

M Roy and PA Maksym. Efficient method for calculating electronic states in self-assembled quantum dots. Physical Review B, 68:235308, Dec 2003. [ DOI ]

D Chaney, M Roy, PA Maksym, and F Long. The effects of self assembled dot geometry in auger recombination rates. In AR Long and JH Davies, editors, Proceedings of the 26th International Conference on Semiconductors, IOP Conference series, page 171. Institute of Physics, Sep 2003.

M Roy, PA Maksym, DM Bruls, P Offermans, and PM Koenraad. Simulation of xsts imaging of self assembled quantum dot electronic states. In PM Koenraad and M Kemerink, editors, Scanning Tunneling Microscopy/Spectroscopy and Related Techniques, pages 707-714. American Institute of Physics Conference Proceedings, Jul 2003.

M Roy and SJ Gurman. Multiple-electron excitation in x-ray absorption: a screened model of the core-hole-photoelectron potential. Journal of Synchrotron Radiation, 10:120-124, Mar 2003.

M Roy, JD Lindsay, S Louch, and SJ Gurman. Erratum: Multiple-electron excitation in x-ray absorption: A simple generic model, (p1103-1108, volume 8, 2001) Journal of Synchrotron Radiation, 10:197-197, Mar 2003.

M Roy, PA Maksym, D Bruls, P Offermans, and PM Koenraad. Simulation of xsts imaging of self assembled quantum dot electronic states. In PM Koenraad and M Kemerink, editors, 12th International Conference on Scanning Tunnelling Microscopy/Spectroscopy and Related Techniques, pages 707-711, 2003.

M Roy and SJ Gurman. An investigation of the use of the hedin-lundqvist exchange and correlation potential in EXAFS data analysis. Journal of Synchrotron Radiation, 8:1095-1102, Jul 2001.

M Roy, JD Lindsay, S Louch, and SJ Gurman. Multiple-electron excitation in x-ray absorption: a simple generic model. Journal of Synchrotron Radiation, 8:1103-1108, Jul 2001.

M Roy and SJ Gurman. Amplitude reduction in exafs. Journal of Synchrotron Radiation, 6:228-230, May 1999.

M Roy and SJ Gurman. Many-electron effects in EXAFS. PhD thesis, Dec 1999.

M Roy, SJ Gurman, and G vanDorssen. The amplitude reduction factor in exafs. In JOURNAL DE PHYSIQUE IV, pages 151-152, 112, 9194, Apr 1997.

M Roy and PA Maksym. A semiconducting nanotube quantum dot: effect of the form of the confinement potential. In R Andre, editor, A semiconducting nanotube quantum dot: effect of the form of the confinement potential, pages 3959-3962.

M Roy and SJ Gurman. Amplitude reduction in xafs data analysis. In SS Hasnain, JR Helliwell, and H Kamitsubo, editors, 10th International conference on X-ray Absorption Fine Structure, pages 228-230.

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