MakkonenAalto-yliopisto

Ilja Makkonen

Akatemiatutkija

Akatemiatutkija, Teknillisen fysiikan laitos

Akatemiatutkija, Teknillisen fysiikan laitos


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Yhteystiedot

Työkäyntiosoite
Puumiehenkuja 2 (Nano-building)
Työpostiosoite
P.O.Box 15100
FI-00076
AALTO
Finland
Huonenumero
249, Nano-building
Työsähköpostiosoite
ilja.makkonen at aalto.fi
Työmatkapuhelin
+358 50 4333 753

Julkaisut

Vertaisarvioidut tieteelliset artikkelit

Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Positron annihilation analysis of the atomic scale changes in oxidized Zircaloy-4 samples

Heikinheimo, J.; Ortner, S.; Makkonen, I.; Kujala, J.; Blackmur, M.; Tuomisto, F. 

2017 

JOURNAL OF NUCLEAR MATERIALS 

Elsevier Science B.V. 

ISSN: 0022-3115 

Formation of Zn- and O- vacancy clusters in ZnO through deuterium annealing

Johansen, K. M.; Tuomisto, F.; Makkonen, I.; Vines, L. 

2017 

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 

Elsevier Limited 

ISSN: 1369-8001 

Radiation-induced alloy rearrangement in InxGa1− xN

Prozheeva, V.; Makkonen, I.; Cuscó, R.; Artús, L.; Dadgar, A.; Plazaola, F.; Tuomisto, F. 

2017 

APPLIED PHYSICS LETTERS 

AMERICAN INSTITUTE OF PHYSICS 

ISSN: 0003-6951 

Evaluation of the concentration of point defects in GaN

Reshchikov, M. A.; Usikov, A.; Helava, H.; Makarov, Yu N.; Prozheeva, V.; Makkonen, I.; Tuomisto, F.; Leach, J. H.; Udwary, K. 

2017 

SCIENTIFIC REPORTS 

NATURE PUBLISHING GROUP 

ISSN: 2045-2322 

Hole density and acceptor-type defects in MBE-grown GaSb1-x Bix

Segercrantz, N.; Slotte, J.; Makkonen, I.; Tuomisto, F.; Sandall, I. C.; Ashwin, M.J.; Veal, T.D. 

2017 

Journal of Physics D: Applied Physics 

IOP PUBLISHING LTD 

ISSN: 0022-3727 

Positron surface state as a spectroscopic probe for characterizing surfaces of topological insulator materials

Callewaert, Vincent; Shastry, K.; Saniz, Rolando; Makkonen, Ilja; Barbiellini, Bernardo; Assaf, Badih A.; Heiman, Donald; Moodera, Jagadeesh S.; Partoens, Bart; Bansil, Arun; Weiss, A. H. 

2016 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Electrical compensation via vacancy-donor complexes in arsenic-implanted and laser-annealed germanium

Kalliovaara, T.; Slotte, J.; Makkonen, I.; Kujala, J.; Tuomisto, F.; Milazzo, R.; Impellizzeri, G.; Fortunato, G.; Napolitani, E. 

2016 

APPLIED PHYSICS LETTERS 

AMERICAN INSTITUTE OF PHYSICS 

ISSN: 0003-6951 

Vacancy-donor complexes in highly n-type Ge doped with As, P and Sb

Kujala, Jiri; Südkamp, T.; Slotte, J.; Makkonen, I.; Tuomisto, F.; Bracht, H. 

2016 

JOURNAL OF PHYSICS: CONDENSED MATTER 

IOP PUBLISHING LTD 

ISSN: 0953-8984 

Calculation of positron annihilation characteristics of six main defects in 6H -SiC and the possibility to distinguish them experimentally

Linez, F.; Makkonen, I.; Tuomisto, F. 

2016 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Identification of vacancy defect complexes in transparent semiconducting oxides ZnO, In2O3 and SnO2

Makkonen, Ilja; Korhonen, Esa; Prozheeva, Vera; Tuomisto, Filip 

2016 

JOURNAL OF PHYSICS: CONDENSED MATTER 

IOP PUBLISHING LTD 

ISSN: 0953-8984 

Review-Defect Identification with Positron Annihilation Spectroscopy in Narrow Band Gap Semiconductors

Slotte, J.; Makkonen, I.; Tuomisto, F. 

2016 

ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY 

ELECTROCHEMICAL SOC INC 

ISSN: 2162-8769 

Modeling positronium beyond the single particle approximation

Zubiaga, A.; Ervasti, M. M.; Makkonen, I.; Harju, A.; Tuomisto, F.; Puska, M. J. 

2016 

JOURNAL OF PHYSICS B: ATOMIC MOLECULAR AND OPTICAL PHYSICS 

IOP Publishing Ltd. 

ISSN: 0953-4075 

Self-consistent total-energy approximation for electron gas systems

Räsänen, E.; Odriazola, A.; Makkonen, Ilja; Harju, A. 

2015 

PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS 

Akademie Verlag GMBH 

ISSN: 0370-1972 

Increased p-type conductivity in GaNxSb1-x, experimental and theoretical aspects

Segercrantz, N.; Makkonen, I.; Slotte, J.; Kujala, J.; Veal, T. D.; Ashwin, M. J.; Tuomisto, F. 

2015 

JOURNAL OF APPLIED PHYSICS 

AIP Publishing 

ISSN: 0021-8979 

Orbital-free density functional theory implementation with the projector augmented-wave method

Lehtomäki, J.; Makkonen, I.; Caro, M.A.; Harju, A.; Lopez-Acevedo, O. 

2014 

JOURNAL OF CHEMICAL PHYSICS 

AMER INST PHYSICS 

ISSN: 0021-9606 

Enhancement models of momentum densities of annihilating electron-positron pairs: The many-body picture of natural geminals

Makkonen, I.; Ervasti, M.M.; Siro, T.; Harju, A. 

2014 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Point defect balance in epitaxial GaSb

Segercrantz, N.; Slotte, J.; Makkonen, I.; Kujala, J.; Tuomisto, F.; Song, Y.; Wang, S. 

2014 

APPLIED PHYSICS LETTERS 

AMERICAN INSTITUTE OF PHYSICS 

ISSN: 0003-6951 

On the sensitivity of positron annihilation signals to alloy homogeneity in InxGa1-xN

Tuomisto, F.; Norrman, V.; Makkonen, I. 

2014 

Journal of Physics: Conference Series 

IOP Publishing Ltd. 

ISSN: 1742-6588 

Scaling in the correlation energies of two-dimensional artificial atoms

Odriazola, A.; Ervasti, M.M.; Makkonen, I.; Delgado, A.; Gonzalez, A.; Räsänen, E.; Harju, A. 

2013 

JOURNAL OF PHYSICS: CONDENSED MATTER 

IOP PUBLISHING LTD 

ISSN: 0953-8984 

Large two-dimensional electronic systems: Self-consistent energies and densities at low cost

Räsänen, E.; Pittalis, S.; Bekcioglu, G.; Makkonen, I. 

2013 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Defect identification in semiconductors with positron annihilation: Experiment and theory

Tuomisto, F.; Makkonen, I. 

2013 

Reviews of Modern Physics 

American Physical Society 

ISSN: 0034-6861 

Chemical analysis using coincidence Doppler broadening and supporting first-principles theory: applications to vacancy defects in compound semiconductors

Makkonen, Ilja; Rauch, C.; Mäki, J.-M.; Tuomisto, F. 

2012 

PHYSICA B: CONDENSED MATTER 

Elsevier Science B.V. 

ISSN: 0921-4526 

Exchange-correlation potentials for inhomogeneous electron systems in two dimensions from exact diagonalization: Comparison with the local-spin-density approximation

Makkonen, I.; Ervasti, M.M.; Kauppila, V.J.; Harju, A. 

2012 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

On the formation of vacancy defects in III-nitride semiconductors

Tuomisto, F.; Mäki, J.-M.; Rauch, C.; Makkonen, I. 

2012 

Journal of crystal growth 

Elsevier 

Identification of substitutional Li in n-type ZnO and its role as an acceptor

Johansen, K.M.; Zubiaga, A.; Makkonen, I.; Tuomisto, F.; Neuvonen, P.T.; Knutsen, K.E.; Monakhov, E.V.; Kuznetsov, A.Y.; Svensson, B.G. 

2011 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Identification of the VAl-ON defect complex in AlN single crystals

Mäki, J.-M.; Makkonen, I.; Tuomisto, F.; Karjalainen, A.; Suihkonen, S.; Räisänen, J.; Chemekova, T.Yu.; Makarov, Yu.N. 

2011 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Identifying vacancy complexes in compound semiconductors with positron annihilation spectroscopy: a case study of InN

Rauch, C.; Makkonen, I.; Tuomisto, F. 

2011 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Towards Experimental Identification of Vacancy Complexes in InN

Rauch, C.; Makkonen, I.; Tuomisto, F. 

2011 

PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS 

Akademie Verlag GMBH 

ISSN: 0370-1972 

Positrons as interface-sensitive probes of polar semiconductor heterostructures

Makkonen, I.; Snicker, A.; Puska, M.J.; Mäki, J.-M.; Tuomisto, F. 

2010 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 1098-0121 

Comment on "Role of Electron-Hole Pair Excitations in the Dissociative Adsorption of Diatomic Molecules on Metal Surfaces"

Luntz, A. C.; Makkonen, I.; Persson, M.; Holloway, S.; Bird, D. M.; Mizielinski, M. S. 

2009 

PHYSICAL REVIEW LETTERS 

AMERICAN PHYSICAL SOC 

ISSN: 0031-9007 

Quantitative chemical analysis of vacancy-solute complexes in metallic solid solutions by coincidence Doppler broadening spectroscopy

Folegati, P.; Dupasquier, A.; Ferragut, R.; Iglesias, M.M.; Makkonen, Ilja; Puska, M.J. 

2007 

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS 

Wiley-VCH Verlag 

ISSN: 1862-6351 

Analysis of electron-positron momentum spectra of metallic alloys as supported by first-principles calculations

Folegati, P.; Makkonen, Ilja; Ferragut, R.; Puska, M.J. 

2007 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 2469-9950 

Energetics of positron states trapped at vacancies in solids

Makkonen, Ilja; Puska, M.J. 

2007 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 2469-9950 

Direct evidence of impurity decoration of Ga vacancies in GaN from positron annihilation spectroscopy

Hautakangas, S.; Ranki, V.; Makkonen, I.; Puska, M.J.; Saarinen, K.; Xu, X.; Look, D.C. 

2006 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

Gallium and nitrogen vacancies in GaN: Impurity decoration effects

Hautakangas, S.; Ranki, V.; Makkonen, I.; Puska, M.J.; Saarinen, K.; Liszkay, L.; Seghier, D.; Gislason, H.P.; Freitas, J.A.; Jr.Henry, R.L.; Xu, X.; Look, D.C. 

2006 

PHYSICA B: CONDENSED MATTER 

Elsevier Science B.V. 

ISSN: 0921-4526 

Compton profiles of hydrated Na+ and F- ions

Joswig, Jan-Ole; Makkonen, I. 

2006 

Zeitschrift für physikalische Chemie 

First-principles calculation of positron states and annihilation at defects in semiconductors

Makkonen, I.; Hakala, M.; Puska, M.J. 

2006 

PHYSICA B: CONDENSED MATTER 

Elsevier Science B.V. 

ISSN: 0921-4526 

Modeling the momentum distributions of annihilating electron-positron pairs in solids

Makkonen, I.; Hakala, M.; Puska, M.J. 

2006 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 2469-9950 

Three real-space discretization techniques in electronic structure calculations

Torsti, T.; Eirola, T.; Enkovaara, J.; Hakala, Tommi; Havu, Paula; Havu, V.; Höynälänmaa, T.; Ignatius, J.; Lyly, M.; Makkonen, I.; Rantala, T.T.; Ruokolainen, J.; Ruotsalainen, K.; Räsänen, E.; Saarikoski, H.; Puska, M.J. 

2006 

PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS 

Akademie Verlag GMBH 

ISSN: 0370-1972 

Dissociation of VGa-ON complexes in HVPE GaN by high pressure and high temperature annealing

Tuomisto, F.; Hautakangas, S.; Makkonen, I.; Ranki, V.; Puska, M.J.; Saarinen, K.; Bockowski, M.; Suski, T.; Paskova, T.; Monemar, B.; Xu, X.; Look, D.C. 

2006 

PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS 

Akademie Verlag GMBH 

ISSN: 0370-1972 

Positron localization effects on the Doppler broadening of the annihilation line: aluminum as a case study

Calloni, A.; Dupasquier, A.; Ferragut, R.; Folegati, P.; Iglesias, M.M.; Makkonen, I.; Puska, M.J. 

2005 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

ISSN: 2469-9950 

Calculation of valence electron momentum densities using the projector augmented-wave method

Makkonen, I.; Hakala, M.; Puska, M.J. 

2005 

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS 

Elsevier Limited 

Towards an accurate description of the capillary force in nanoparticle-surface interactions

Pakarinen, O.H.; Foster, A. S.; Paajanen, M.; Kalinainen, T.; Katainen, J.; Makkonen, I.; Lahtinen, J.; Nieminen, R. M. 

2005 

MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING 

IOP Publishing Ltd. 

Vacancy-Impurity Complexes in Highly Sb-Doped Si Grown by Molecular Beam Epitaxy

Rummukainen, Mikko; Makkonen, Ilja; Ranki, Ville; Puska, Martti; Saarinen, Kimmo; Gossmann, H.-J.L. 

2005 

PHYSICAL REVIEW LETTERS 

AMERICAN PHYSICAL SOC 

ISSN: 0031-9007 

Site selectivity in chemisorption of C on Pd(211)

Stolbov, S.; Mehmood, F.; Rahman, T.S.; Alatalo, M.; Makkonen, I.; Salo, P. 

2004 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

Characteristics of S adsorption on Pd vicinal surfaces

Makkonen, I.; Salo, P.; Alatalo, M.; Rahman, T.S. 

2003 

Surface Science 

Elsevier 

Ab initio studies of stepped Pd surfaces with and without S

Makkonen, Ilja; Salo, Petri; Alatalo, Matti; Rahman, Talat S. 

2003 

PHYSICAL REVIEW B 

AMER PHYSICAL SOC 

Vertaisarvioimattomat tieteelliset kirjoitukset

Kirjoitus tieteellisessä aikakauslehdessä

Preface to Special Topic Defects in Semiconductors

Tuomisto, Filip; Makkonen, Ilja 

2016 

JOURNAL OF APPLIED PHYSICS 

AIP Publishing 

ISSN: 0021-8979 

Ammattiyhteisölle suunnatut julkaisut

Artikkeli ammattilehdessä

MIKA - a multigrid-based program package for electronic structure calculations

Torsti, T.; Lindberg, V.; Makkonen, I.; Ogando, E.; Räsänen, E.; Saarikoski, H.; Puska, M.J.; Nieminen, R.M. 

2004 

Psi_k Newsletter, Highlight of the month, October 2004 

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