• 2021-                   Director of undergraduate studies at Eng. dep.
• 2013-2018           Chair of the research Council of SSE
• 2008-2009           Head of the Mech.- and Electr. Eng. dep. at RU
• 2004-                   Reykjavik University
• 2004 - 2005         The Icelandic Building Res. Institute                 
• 1996-2003            Science Inst. of the Univ. of Icel.                                   
• 1987 - 1994.         Technological Institute of Iceland

Part time teaching at University of Iceland, 1997-2003

Supervision in student projects:

1997. Supervisor in research project funded by the Students Innovation. Student:  Bjarni Benjamínsson

1999. Supervisor in a student´s special project at the Chemistry Department of the Unversity of Iceland. Student: Bjarni Benjamínsson

2007. Supervisor in research project funded by the Students Innovation fund. Student: Arnar Snær Valmundsson

2008. Supervisor in M.Sc. project. Student: Eyþór Gísli Þorsteinsson

2008. Supervisor in a student´s special project at Reykjavik University, worth 6 ECTS. Student: Arnar Snær Valmundsson

2008. Supervisor in a research project funded by the Students Innovation fund. Student: Arnar Snær Valmundsson

2007-2009. Supervisor in M.Sc. study. Student, Davíð M. Daníelsson

2009. July - december. Supervisor in a research project, funded by the Leonardo da Vinci program. Student; Grzegorz Maliga, Wroclaw University

2009- 2010. Supervisor in 30 ECTS M.Sc. project. Student, Indra Suryata

2011. Jan. Examiner at M.Sc. thesis defence at Reyst-Energy School. Student: Pai-Chun Tao

2011.  Supervisor in 30 ECTS M.Sc. project. Student: Olöf Kolbrun Hrafnsdottir

2011. Feb. Opponent at a doctoral defence at the University of Iceland. Thesis name: Plasmonic nanowire waveguides and devices operating at telecom wavelengths. Student: Tiberiu Rosenszveig

2011. Supervisor in a project at the Blue Lagoon funded by the Students Innovation Fund. Student: Gudni Oddur Jonsson

2013. Supervisor in a project at the Blue Lagoon funded by the Students Innovation Fund. Student: Halldis S. Thoroddsen

2013. Superviser in a final B. Sc. project in Electric applied-engineering. Student: Birgir H. Hallgrimsson

2014. Supervisor in a 30 ECTS M.Sc. project in engineering at RU. Student: Birgir H. Hallgrimsson.

2014. April. In a doctoral committee of Tanzina Khaleque, a PhD student at University of Texas in Arlington, USA. Thesis name Guided-mode resonant solar cells and flat-top reflectors: analysis, design, fabrication and characterization.

2014. Supervisor in a project at the BLue Lagoon funded by the Student´s innovation Fund. Student: Elias Snorrason

2014. Supervisor in a 3-month internship in experimental nano-physics. Student: Maudet Florian 

2015. Supervisor in 30 ECTS MSc project at RU. Student: Johannes Valberg

2015. Supervisor in 30 ECTS MSC project at RU. Student: Máté Osvald

2015. Supervisor in 3-month internship in experimental nano-physics. Student: Florian Baudry

2015. Supervisor in 3-month internship in experimental nano-physics. Student: Etienne Monnet

2015. Supervisor in 3-month internship in experimental nano-physics. Student:Vianney Binard

2015. Sept. Opponent at a doctoral defense at DTU. Name of thesis: Design and use of guided mode resonance filters for refractive index sensing. Student: Petur Gordon Hermannsson

2016. Supervisor in 60 ECTS master project. Student: Hakon Orn Arnason

2016. Supervisor in a PhD project. Student: Muhammad Taha Sultan. Project:Functionalized TiO2 film with embedded SiGe nanoparticles

2017: Supervisor in a master project (30 ECTS). Student: Aitor De Andres Gonzalez (will graduate from Lund University, Sweden).

2018. Co-supervisor in a Phd. project. Student: Hákon Örn Árnason. DC Vacuum-Microdiode Arrays as Tuneable THz Sources.

2018. In a MSc comittee of an MSc project (60 ECTS) at UI. Student: Davíð Örn Þorsteinsson: Growth of HfN thin films by reactive high power impulse magnetron sputtering.

2018. Examiner in an MSc project at UI (60 ECTS). Arnar Már Viðarson. Investigation of interface and near interface traps in silicon carbide MOS-capacitors using capacitance and conductance techniques.

2018. Examiner in an MSc project at UI. Student: Christopher Aleman Thesis. Thermoelectric Multiwalled Carbon Nanotube Yarn Candle.

2018. Co-supervisor in a master project verkefni (60 ECTS) at RU. Student: Caroline Mery Medino. Improving Current Efficiency in Low-Temperature Aluminum Electrolysis with Vertical Inert Electrodes.

2019. Examiner in an MSc project (60 ECTS) at RU. Student: Haley Hoover.

2019. Examiner in an MSc project (60 ECTS) at UI. Student: Ragnar Dzosua Builong Jónsson. Resistive Switching of LaAlO3 Oxide Composites with Interstitial Boron Doping.

2019. Supervisor in a BSc final project (30ECTS) at RU. Student: Hreggvidur Emils Vidarsson. Photoluminescence study of annealed SiGe nanoparticles.

2020. Examiner in an MSc project at UI. Student:  Libardo Antonio Lugo Moreno. Microalgae Biomass Production Coupled with Phycoremediation of Aquaculture Wastewater.

2020. Supervisor in a PhD project. Student: Elham Afgabalaey Fakhry. 

2021. Co-supervisor in MSc project (60 ECTS) at RU. Student: Rachel Elizabeth Brophy. Computer simulation of ionic diffusion in MAPI perovskite. Piezoresistance of silicon-nanowire arrays.

2021. Supervisor in MSc project (60 ECTS) at RU. Student: Silvana Loayza Leon. Life cycle assassment of the Blue Lagoon skin care products.

Semiconducting thin films. Crystal growth.

Photovoltaics,

Silicon nanowires,

Photonics, nanostructures,

Algae cultivation.

1994. Scolarship covering full accomodation for a study in a University in Finland. Given by the Finnish government.

2004. Project grant of The Housing Financing Fund. Portable viscometer for concrete. Amount 1.2 million isk.

2004. The Icelandic Centre for Research (RANNIS), Technology development fund. Invention and development of form-pressure-releasing agent. Amount 6.8 million isk. 

2005. Project grant of The Housing Financing Fund. Portable viscometer for concrete.  Amount 1.9 million iskr.

2005. RANNIS - Technology development fund. Invention and development of form-pressure-releasing agent. Amount 6.8 million isk. 

2005. RANNÍS – Research fund. Development of crystal growth on cement and its influence on rheology. Amount 2 million isk.

2006.  RANNIS - Instrumental fund. Amount 40 milj. isk.

2007. RANNIS - Instrumental fund. Amount 14 million isk.

2007. RANNIS - Research fund. Crystal growth of p-n junctions for solar-cells application. Amount 1.85 million isk.

2008. Jan. RANNIS – Instrumental fund. .Amount 5 million isk.

2008. RANNÍS - Research fund. Crystal growth of p-n junctions for solar-cells application. Amount 2 million iskr

2008. Mars. RANNIS - Instrumental fund. Amount 21 million iskr

2008. RANNIS - Technology development fund. Eco-silica for skincare product. Amount 4.5 million isk.

2009. RANNÍS - Research fund. Crystal growth of p-n junctions for solar-cells application. Amount 2 million isk.

2009. Landvirkjun Energy Research Fund of the National Power Company of Iceland. New method for producing Si-solar cells. Amount 2.25 million isk.

2009. RANNIS - Instrumental fund. Amount 14 million isk.

2009. RANNIS - Technology development fund. Eco-silica for skincare product - prototypes. Amount 3.5 million isk.

2010. Energy research fund of the National Power Company of Iceland. New method for producing Si-solar cells. Amount 0.75 million iskr

2010. RANNIS - Technology development fund. Eco-silica for skincare product - prototypes. Amount 3.5 million iskr

2011. Energy research fund of the Landsvirkjun Energy Research Fund. Silicon nanowires for solar cells applications. Amount 1.8 million iskr

2011. RANNIS-Icelandic Student Innovation fund. Feeding of algae on flue gas -sustainable oil production. Amount 0.510 million isk.

2011. RANNIS-Icalandic Student Innovation Fund. Drying equipment for processing of salt from geothermal seawater. Amount 0.340 million iskr.

2013. Landvirkjun - Energy Research Fund. Thermelectric applications of silicon nanowires. Amount 3.5 million isk.

2013. RANNIS-Icelandic Student Inovation Fund. Production of biomass from geothermal flue-gas. Amount 0.51 million isk.

2015. M-ERA.NET. High photoconductive oxide films functionalized with GeSi nanoparticles for environmental applications. In cooperation with National Institute of Materials Physics in Romania (PI). RU amount: 108.000 euros (~16 million isk)

2016. Landsvirkjun - Energy Research Fund, Application of Silicon nanowires for electrical production from solar energy. Amount 3.3 million ISK.

2017. Rannis: Instrumental fund. Solar-simulator. Amount 2.1 million ISK.

A consultant work for the Blue Lagoon ltd http://www.bluelagoon.is .

https://www.researchgate.net/profile/Halldor_Svavarsson/stats  

Thesis

1.  Annealing properties of Li and Si impurities in GaAs, Ph.D. thesis, Univ. of Iceland, 2003       

2. The effect of alumina on plasma spraying of zirconia microspheres, M.Sc. thesis, Tampere University of Technology, Finland, 1996.

Articles in refereed scientific journals (journals listed in ISI Web of Science)                         

1. H. P. Gíslason, K. Leosson, H. Svavarsson, K. Saarinen and A. Mari, Lithium induced vacancy formation and its effect on the diffusivity of Lithium in Gallium Arsenide, Materials Science Forum 258-263, (1997) 1810-1820,

2. J. T. Gudmundsson, H. G. Svavarsson and H. P. Gíslason, Lithium-gold-related complexes in p-type crystalline silicon, Physica B 273-274 (1999) 379 - 382

3. H. O. Olafsson, J. T. Gudmundsson, H. G. Svavarsson and H. P. Gislason, Hydrogen passivation of AlxGax-1As studied by surface photovoltage spectroscopy, Physica B 273-274 (1999) 689 - 692

4. H. G. Svavarsson, S. Olafsson, N. Hellgren and U. Helmersson, Electrostatic powder impact deposition (EPID) of Ge on Si and Cu substrate, microstructure and morphology study, Journal of Physics D: Applied Physics 33 (2000), 1155-160                                                                                                                     

5. H. G. Svavarsson, J. T. Gudmundsson, G. I. Gudjonsson and H. P. Gislason, The effect of Si site-switching in GaAs on electrical properties and potential fluctuation, Physica B 308 - 310 (2002) 804-807   

6. H. G. Svavarsson, J. T. Gudmundsson, G. I. Gudjonsson and H. P. Gislason, Potential fluctuations and siteswitching in Si-doped GaAs studied by photoluminescence, Physica Scripta T101 (2002) 114 - 118 

7. H. G. Svavarsson, J. T. Gudmundsson, and H. P. Gislason, Experimental observation of an impurity band in lithium-diffused and annealed GaAs: Conductivity and Hall effect measurements, Physical Review B 67 (2003) 205213

8. J. T. Gudmundsson, H. G. Svavarsson, S. Gudjonsson and H. P. Gislason, Frequency-dependent conductivity in lithium-diffused and annealed GaAs, Physica B 340-342 (2003) 324 - 328

9. H. G. Svavarsson, J. T. Gudmundsson and H. P. Gislason, Lithium-diffused and annealed GaAs: Admittance spectroscopy study, Physical Review B 69 (2004)

10. D. M. Danielsson, J. T. Gudmundsson and H. G. Svavarsson, The effect of hydrogenation on the minority carrier lifetime in low grade silicon, Phys. Scr. T 141 (2010) 014005

11. H.G. Svavarsson, J. Yoon, S.H. Song and R. Magnusson. Fabrication of large plasmonics arrays of gold nanocups using inverse periodic templates. Plasmonics 6 (2011) 741-744

12. R. Magnusson, H.G. Svavarsson, J. Yoon, M. Shokooh-Saremi and S.H. Song. Experimental observation of leaky modes and plasmons in a hybrid resonance element. Applied Physics Letters 100 (2012)

13. H.G. Svavarsson, J. Yoon, M. Shokooh-Saremi, S.H. Song and R. Magnusson. Fabrication and characterization of large, perfectly periodic arrays of metallic nanocups. Plasmonics 7  (2012) 653-657

14. K. Spilling, A. Brynjolfsdottir, D. Enss, H. Rischer and H.G. Svavarsson. The effect of pH on structural lipids in diamtoms. J. Appl. Phycol 25 (2013) 1435-1439

15. T. Khaleque, H.G. Svavarsson, R. Magnusson. Fabrication of resonant patterns using thermal nano-imprint lithography for thin-film photovoltaic applications. Optics Express 21 (2013) 631-641

16. H.G. Svavarsson, A. Brynjolfsdottir, S. Einarsson. Adsorption applications of unmodified geothermal silica. Geothermics 50 (2014) 30-34

17. H. G.  Svavarsson, B. H. Hallgrimsson, M. Niraula, K. J. Lee, R. Magnusson, Large arrays of ultra-high aspect ratio periodic silicon nanowires obtained via top-down route Applied Physics A-Mat. Science & Processing, 122 (2016)

18.C. Besleaga, L. E. Abramiuc, V. Stancu, A. G. Tomulescu, M. Sima, L. Trinca, N. Plugaru, L. Pintilie, G. A. Nemnes, M. Iliescu, H. G. Svavarsson, A. Manolescu, I. Pintilie. Iodine Migration and Degradation of Perovskite Solar Cells Enhanced by Metallic Electrodes. J. Phys. Chem. Lett. 7 (2016) 5168-5175

19. H. G. Svavarsson, J. E. Valberg, H. Arnardottir, A. Brynjolfsdottir. Carbon dioxide from geothermal gas converted to biomass by cultivating coccoid cyanobacteria. Environmental Technology (2017) http://dx.doi.org/10.1080/09593330.2017.1349840

20. M.T. Sultan, A Manolescu, J.T. Gudmundsson, K Torfason, G.A. Nemnes, I. Stavarache, C. Logofatu, V.S. Teodorescu, M.L Ciurea, H.G. Svavarsson. Enhanced photoconductivity of SiGe nanocrystals in SiO₂ driven by annealing. Applied Surface Science 469 (2019) 870-878

21. M. T. Sultan, J. T. Guðmundsson, A. Manolescu, T. Stoica, M. L. Ciurea, H. G. Svavarsson. Enhanced photoconductivity of embedded SiGe nanoparticles by hydrogenation. Applied Surface Science (2019)

22. D. J. Carney, H. G. Svavarsson, H. Hemmati, A. Fannin,  J. W. Yoon, R. Magnusson; Refractometric sensing with periodic nano-indented arrays: Effect of structural dimensions. Sensors 19 (2019)

23.  M. T. Sultan, J.T. Gudmundsson, A. Manolescu, V. Teodorescu, M.  L. Ciurea, H. G. Svavarsson; Efficacy of annealing and fabrication parameters on photo-response of SiGe in TiO₂ matrix. Nanotechnology 30 (2019)

24. M. T. Sultan, A. V. Maraloiu, I. Stavarache, J. T. Guðmundsson; A. Manolescu, V. S. Teodorescu, M. L. Ciurea; H. G. Svavarsson.  Fabrication and characterization of Si_1-xGe_x nanocrystals in as-grown and annealed structures: a comparative study. Beilstein Journal of  Nanotechnology 10 (2019)

25. M.T. Sultan, J. T. Gudmundsson, A. Manolescu, V S Teodorescu, M L Ciurea, H. G. Svavarsson; Obtaining SiGe nanocrystallites between crystalline TiO2 layers by HiPIMS without annealing; accepted for publication in Applied Surface Science (2020)

26. I. Stavarache, C. Logofatu, M. T. Sultan, A. Manolescu, H. G. Svavarsson, V. S. Teodorescu, M. L Ciurea;  SiGe nanocrystals in SiO2 with high photosensitivity from visible to short-wave infrared. Scientific Reports (2020)

27. M.T. Sultan, J.T. Gudmundsson, A. Manolescu and H.G. Svavarsson. Structural and photoluminescence study of TiO₂ layer with self-assembled Si_1-xGe_x nanoislands. Journal of Applied Physics. 128 (2020)

 28. M. T. Sultan, H. O. Árnason, M. Kateb, A. Manolescu, H. G. Svavarsson, A. Valfells, Enhanced photoemission from surface modulated GaAs:Ge. Nano Select; (2021) https://doi.org/10.1002/nano.202100012 

29. Plugaru, R., Fakhri, E., Romanitan, C., Mihalache, I., Craciun, G., Plugaru, N., Arnason, H. O., Sultan, M. T., Nemnes, G. A., Ingvarsson, S., Svavarsson, H. G., Manolescu, A. Structure and electrocal behavior of silicon nanowires prepared from MACE process; Surfaces and Interfaces, 33 (2022)

Conference proceedings and printed abstracts

1. J. T. Gudmundsson, H. G. Svavarsson, and H. P. Gislason, Hopping Conduction in Lithium Diffused and Annealed GaAs, Proceedings of the XIIth Conference on Semiconducting and Insulating Materials (SIMC XII), IEEE, Bratislava, Slovak Republic, (2002) 9-12

2. J.T. Gudmundsson, H.G. Svavarsson and H.P. Gislason, Impurity-band conduction in Li-diffused and annealed GaAs, in 22nd International Confererence in Defects and Semiconductors (ICDS-22) Arhus 28.07-01.08. 2003

3. H.G. Svavarsson, J.T. Gudmundsson and H.P. Gislason, A photoluminescence study of thermal p-type conversion in Si-doped GaAs, in 22nd International Confererence in Defects and Semiconductors (ICDS-22) Arhus 28.07-01.08. 2003

4. H.G. Svavarsson and O.H. Wallevik, Geothermal Well cementing: the effect of temperature and time on workability loss, in 13th Nordic Rheology Conference, Iceland, (2004) 123-126

5. O. Wallevik, P. Sandberg, K. Kjellsen, H. Svavarsson and S. Kubens. The effect of free lime on the hydration kinetics and rheology of cement mortar. 12th International Congress on the Chemistry of Cement. Montreal, Canada, 2007

6. H.G. Svavarsson, D.M. Danielsson and J.T. Gudmundsson, Thin film silicon for solar cell application grown from the liquid phase on metallurgical grade silicon. 23rd European photovoltaic solar energy conference and exhibition, 2221-2223. Valencia, Spain, 2008

7. D.M. Danielsson, J.T. Gudmundsson and H.G. Svavarsson, The effect of hydrogenation on photovoltaic performance of silicon thin films grown on low grade silicon substrates. 24th European photovoltaic solar energy conference and exhibition, 2541-2543. Hamburg 21-25 September 2009

8. I. Suryata, H.G. Svavarsson, S. Einarsson and A. Brynjolfsdottir, Geothermal CO2 bio-mitigation techniques by utilizing microalgae at the Blue Lagoon, Iceland. 34th Workshop on geothermal reservoir engineering. SGP-TR-188, Stanford University, Kaliforníu, 1-3 Februar, 2010

9. H. G. Svavarsson, R. Magnusson, J. Yoon and S. H. Song, Fabrication of large arrays of plasmonic nanostructures via inverse periodic templates. 5^th International conference on surface plasmon photonics, Busan, South Korea, 15-20 May 2011

10. R. Magnusson, M. Shokooh-Sareemi, K.J. Lee, J. Curzan, D. Wawro, S. Zimmerman, W. Wu, J. Yoon, H.G. Svavarsson, S.H. Song, Leaky-Mode resonance photonics, An applications platform. Proc. SPIE 8102, San-Diego, California, USA, 21-25 August 2011 (invited)

11. H.G. Svavarsson, J. Yoon, M. Shokooh-Saremi, S. H. Song and R. Magnusson, Fabrication of modal and plasmonic optical resonance devices, 10th International conference on correlation optics, Chernivtsi, Ukraine, 11.-16. September 2011 (invited)

12. H. G. Svavarsson, R. Magnusson, J. Yoon and S. H. Song, Large periodic arrays of plasmonic nanostructures applying inverse templates, Frontiers in optics 2011 - Laser science XXVII, San Jose, California, USA, 16.-20. October 2011

13. R. Magnusson, K.J. Lee, J. Yoon, D. Wawro, S. Zimmerman, W. Wu, M. Shokooh-Sarami, H. G. Svavarsson, and S. H. Song. Theory, experiment, and applications of photonic resonance effects in nanopatterned films - A review, 8th EOS topical meeting on diffractive optics, Delft, Netherland, 28. Feb.-1 March 2012

14. H.G. Svavarsson, J. Yoon, M. Shokooh-Saremi, S. H. Song and R. Magnusson, Fabrication and biodiagnostic applications of periodic arrays of gold nanocups, BIT’s 3^rd World Annual Congress on Nanomedicine, Shenzen, China, 1–3 November 2012 (invited)

15. T. Khaleque, H.G. Svavarsson and R. Magnusson, Fabrication of nano-imprinted resonant structures for thin-film solar cells applications, IEEE Photonics Conference 2013, Bellevue, Washington, USA, 8-12 September 2013

16. Halldor G. Svavarsson, Hronn Arnardottir, Albert Albertsson, Asa Brynjolfsdottir, Application of unmodified geothermal silica for protein extraction,  World Geothermal Congress, Melbourne, Australia, 19-24 April 2015

17. Hronn Arnardottir, Asa Brynjolfsdottir, Albert Albertsson, Halldor G. Svavarsson, Biomass production using geothermal flue gas at the Blue Lagoon, Iceland, World Geothermal Congress, Melbourne, Australia, 19-24 April 2015 

18. Halldor. G. Svavarsson, Hronn Arnardottir, Asa Brynjolfsdottir, Lipid content in Blue-green algae fed on geothermal flue-gas at Blue Lagoon, Iceland, 28. Nordic Lipidforum Symposium, Reykjavik, Iceland, 3-6 2015

19. Robert Magnusson, Manoj Niraula, Jae Woong Yoon, Kyu Jin Lee, Halldor Gudfinnur Svavarsson, Resonance-based nanophotonic device technology: Filters, reflectors, polarizers, and absorbers, IEEE Aerospace Conference, Yellowstone Conference Center, Big Sky, Montana, 5-12 March 2016

20. H.G. Svavarsson, B.H. Hallgrimsson, M.N. Niraula, K.J. Lee, R. Magnusson, Periodic silicon nanowires with ultra-high aspect ratio obtained via top-down route in 3^rd NANOSMAT-USA Conference, University of Texas, Arlington, USA, 18-20 May 2016

21. Muhammad Taha Sultan, Jon Tomas Gudmundsson, Magdalena L. Ciurea, Halldor G. Svavarsson. Photoconductive TiO₂ films functionalized with Si(1-x)Ge(x) nanoparticles. Dinamo 2017 – conference on Nano and Mesoscopic Optics. Siglufjordur, Iceland, May 2017

22. A. Slav, C. Palade, I. Stavarache, V.S. Teodorescu, M.L. Ciurea, R. Müller, A. Dinescu, M.T. Sultan, A. Manolescu, J.T. Gudmundsson, H.G. Svavarsson. Influence of preparation conditions on structure and photosensing properties of GeSi/TiO₂multilayers. CAS 2017. IEEE International Semiconductor Conference. Sinaia, Romania, 11-14 Oct. 2017

23. M.T. Sultan, J.T. Gudmundsson, A. Manolescu, M.L. Ciurea, H.G. Svavarsson. The effect of H₂/Ar plasma treatment on photoconductivity of Si_1-xGex nanocrystals embedded in silicon oxide matrix. CAS 2018, IEEE International Semiconductor Conference, Sinaia, Romania, 10-12 October.

24. M.T. Sultan, J.T. Gudmundsson, A. Manolescu, M.L. Ciurea, C. Palade, A. V. Maraloiu, H.G. Svavarsson. Enhanced photoconductivity of SiGe-trilayer stack by retrenching annealing conditions. CAS 2018, IEEE International Semiconductor Conference, Sinaia, Romania, 10-12 October 2017

25. C. Palade, A. Slav, O. Cojocaru, V.S. Teodorescu, S. Lazanu, T. Stoica, M.T. Sultan, H.G. Svavarsson, M.L. Ciurea. Enhanced photocurrent in GeSi NCs / TiO₂ multilayers. CAS 2018, IEEE International Semiconductor Conference, Sinaia, Romania, 10-12 October

26. M.T. Sultan, J.T. Gudmundsson, A. Manolescu, M.L. Ciurea, H.G. Svavarsson. The effect of H2/Ar plasma treatment on photoconductivity of Si1-xGex nanocrystals embedded in silicon oxide matrix. CAS 2018, IEEE International Semiconductor Conference, Sinaia, Romania, 10-12 October, 2018

27. M.T. Sultan, J.T. Gudmundsson, A. Manolescu, M.L. Ciurea, C. Palade, A. V. Maraloiu, H.G. Svavarsson. Enhanced photoconductivity of SiGe-trilayer stack by retrenching annealing conditions. CAS 2018, IEEE International Semiconductor Conference, Sinaia, Romania, 10-12 October, 2018 

28. M.T. Sultan, J. T. Gudmundsson, A. Manolescu, M. L. Ciurea, H. G. Svavarsson: Growth of SiGe nanocrystals in SiO₂ matrix by applying HiPIMS: On the way to crystallization bypassing the need of annealing, in Third international workshop on thin films for electronics, electro-optics, energy and sensors (TFE3S), Reykjavik, Iceland June 24-26, 2019

29. M.T. Sultan, J. T. Gudmundsson, A. Manolescu, M. L. Ciurea, H. G. Svavarsson: Effect of H₂/Ar plasma exposure: influence of short and protracted intervals, in Third international workshop on thin films for electronics, electro-optics, energy and sensors (TFE3S), Reykjavik, Iceland, June 24-26,  2019

30. Properties of resonant photonic lattices: Bloch mode dynamics, band flips, and applications: R. Magnusson, K. J. Lee, H. Hemmati, P. Bootpakdeetam, J. Vasilyev, F. A. Simlan, N. Razmjooei, Y. H. Ko, S. Zhang, Sun-Goo Lee, H.G. Svavarsson,  SPIE-Photonics West conference. 1-6 February, San Francisco, 2020

31. D.C. Finger, H.G. Svavarsson, B. Bjornsdottir, G.A. Saevarsdottir, L.L.  Böhme. The superiority of circular economy solutions in the main sectors of an innovative and prospering economy-a case study from Iceland. EGU General Assembly Conference, 4-8 May, 2020 (held online due to COVID)

32. H.G. Svavarsson, M.T. Sultan, K.J. Lee, S. Das and R. Magnusson. Hydrogenated silicon films for low-loss resonant reflectors operating in the visible region in 3rd IEEE Research and applications of photonics defense, RAPID, 10-12 August 2020 (held online due to COVID)

33. E. Fakhri et al., "Synthesis and photoluminescence study of silicon nanowires obtained by metal assisted chemical etching," 2021 International Semiconductor Conference (CAS), IEEE, 2021, pp. 147-150, doi: 10.1109/CAS52836.2021.9604178.

34. M. T. Sultan, J. T. Gudmundsson, A. Manolescu, M. L. Ciurea, H. G. Svavarsson and S. Ingvarsson, "Photoluminescence study of Si1-xGex nanoparticles in various oxide matrices," 2021 International Semiconductor Conference (CAS), 2021, IEEE,  pp. 21-24, doi: 10.1109/CAS52836.2021.9604131.

35. M. T. Sultan et al., "Facile formation of self-assembled Ga droplets on GaAs (001) substrate," 2021 International Semiconductor Conference (CAS), IEEE, 2021, pp. 35-38, doi: 10.1109/CAS52836.2021.9604129.

Oral presentations

Site conversion of Si GaAs. 10th Conference of the Icelandic Physics Society, November 2001.

Geothermal Well cementing: the effect of temperature and time on workability loss, in 13th Nordic Rheology Conference, Iceland, 2004

Cultivation of algae with geothermal CO2 flue gas. Chemistry Seminar, University of Iceland. 06 November 2009

Thin-film silicon solar cells with nanostructured surface modulation. Seminar at the Electrical Engineering Department at the University of Texas, Arlington. 22 June 2010

Large-Scale Fabrication of periodic nanostructure arrays. Seminar at the Technical- and Engineering Department of Reykjavik University,  06 September 2010

Kísilframleiðsla í Helguvik (e. Silicon production in Helguvik), Seminar at the Innovation Center of Iceland, 29 April 2011

Fabrication of modal and plasmonic optical resonance devices, 10th International conference on correlation optics, Chernivtsi, Ukraine, 11-15 September 2011 (invited)

Silicon nanowires for solar cells applications. Presentation given at "Lectures marathon" in Reykjavk University 23 March 2012 (http://www.youtube.com/watch?v=rvtBsmOSa4g)

Microalgae Cultivation at The Blue Lagoon, presentation given at the Nordic Algae Network, Blue lagoon 15 May 2012

Fabrication and biodiagnostic applications of periodic arrays of gold nanocups, BIT’s 3^rd World Annual Congress on Nanomedicine, Shenzen, China, 1–3 November 2012 (invited)

Surface plasmon resonance of arrayed nanoparticles. Seminar in physics, University of Iceland. 25 January 2013.

Optimizing lipid production by planktonic algae. Seminar at the National Energy Authority. 6 February 2013.

Fabrication and bio-diagnostic applications of periodic nano-structured arrays, Presentation given at “Lechtures Marathon” in the Reykjavik University 17 March 2013 (http://www.youtube.com/watch?v=rjK6nuFJ0BA)

Fabrication of silicon nanowires with metal catalysed etching. 7th Conference of the Chemical Society of Iceland, Grand Hotel 9 November 2013.

Solar energy and PV cells. Keynote speaker on a Silicon seminar in RU 26 Sept. 2014

Biomass production using geothermal flue gas at the Blue Lagoon, Iceland, World Geothermal Congress, Melbourne, Autralia, 19-24 April 2015

Adsorption application of geothermal silica for protein extraction, World Geothermal Congress, Melbourne, Australia, 19-24 April 2015

Lipid content in Blue-green algae fed on geothermal fluegas at the Blue Lagoon, Iceland, Nordic Lipidforum Symposium 3-6 June 2015

Large arrays of ultra-high aspect ratio periodic silicon nanowires obtained via top–down route. Presentation given at seminar at National Institute of Materials Physics on Bucharest, Romania 24 march 2016.

Towards a Society without waste: Cultivating microalgae with non-condensable geothermal gases. The third Iceland Geothermal Conference – IGC 2016, Reykjavik 26-29 April 2016  

PhotoVoltaics-Solar Energy Converted to Electricity. Presentation given on seminar on Materials for Sustainable Energy Conversion in Reykjavik University 2nd May 2016

Periodic silicon nanowires with ultra-high aspect ratio obtained via top-down route in 3^rd NANOSMAT-USA Conference, University of Texas, Arlington, USA, 18-20 May 2016 (invited)

Effect of H₂/Ar plasma exposure: influence of short and protracted intervals, in Third international workshop on thin films for electronics, electro-optics, energy and sensors (TFE3S), Reykjavik, Iceland June 24-26, 2019 (invited)

Hydrogenated silicon films for low-loss resonant reflectors operating in the visible region in 3rd IEEE Research and applications of photonics defense, RAPID (virtual conf.) (invited talk), 10-12 August 2020 

Posters

1. J.T. Gudmundsson, H.G. Svavarsson and H.P. Gislason. Lithium - gold - related complexes in p-type crystalline silicon. The 20th International Conference on Defects in Semiconductors (ICDS-20), Berkeley, California, July 26 - 30 1999 

6. H.G. Svavarsson, J.T. Gudmundsson and H.P. Gislason, A photoluminescence study of thermal p-type conversion in Si-doped GaAs. Introduced in 22nd International Confererence in Defects and Semiconductors (ICDS-22) Arhus 28.07-01.08. 2003.

7. Halldór G. Svavarsson, Ræktun hálfleiðandi kristalla, Vísindadagar Raunvísindastofnunar, november 2003.

8. David M. Danielsson, Halldor G. Svavarsson and Jon T. Gudmundsson.  Thin film technology for silicon solar-cell application. 4. Conference of the Icelandic Chemical Society. Hotel Loftleidir, 17 November 2007

9. H.G. Svavarsson, D.M. Danielsson and J.T. Gudmundsson, Thin film silicon for solar cell application grown from the liquid phase on metallurgical grade silicon. 23rd European photovoltaic solar energy conference and exhibition, Valencia, 01-08 September Spain, 2008 

10. D.M. Danielsson, H.G. Svavarsson and J.T. Gudmundsson, The effect of hydrogenation on the photovoltaic effeiciency of silicon thin films grown on low grade silicon substrates. 23rd Nordic Semiconductor meeting, Reykjavik 14-17 June 2009

11. D.M. Danielsson, J.T. Gudmundsson and H.G. Svavarsson, The effect of hydrogenation on photovoltaic performance of silicon thin films grown on low grade silicon substrates. 24th European photovoltaic solar energy conference and exhibition, Hamburg 21-25 September 2009

12. Indra Suryata, Gregor Maliga, Halldor G. Svavarsson and Sigurbjorn Einarsson. Geothermal CO2 Bio-mitigation technique by utilizing Coccoid Blue Green Algae. 5. Conference of the Icelandic Chemical Society, Hotel Loftleidir 14 Nov. 2009.

13. Olof K. Hrafnsdottir, Asa Brynjolfsdottir and Halldor G. Svavarsson. Oil production from algae fed on geothermal flue gas. 6. Conference of the Icelandic Chemical Society, Hotel Loftleidir 19 Nov. 2011.

14. B.H. Hallgrimsson, K. Leosson, H.G. Svavarsson. Fabrication of silicon nanowires with metal catalysed etching. 7. Conference of the Chemical Society of Iceland, Grand Hotel 9 November 2013.

15. Halldor G. Svavarsson. Rafmagnsframleiðsla með hitaörvuðum nanóvírum (e. Electrical production by thermally activated nanowires). Kynningarfundur Orkurannsóknasjóðs Landsvirkjunar, the National Museum 28. November 2013.

16. C. Palade, I. Stavarache, A.-M. Lepadatu, A. Slav, S. Lazanu, T. Stoica, V.S. Teodorescu, M.L. Ciurea, F. Comanescu, A. Dinescu, R. Müller, G. Stan, A. Enuica, M.T. Sultan, A. Manolescu, H.G. Svavarsson,   New advanced materials based on SiGeSn nanocrystals in oxides for SWIR phototodetectors and non-volatile memory devices in EuroNanoForum, June 12-14, 2019, Bucharest, Romania.

Refereed articles in Icelandic

1. Halldór G. Svavarsson, Halldór Örn Ólafsson, Þorvaldur Þorvaldsson, Jón Tómas Guðmundsson og Hafliði P. Gíslason, Ljósörvuð yfirborðsspenna og hlutleysing veilna með vetni (e. ´´Surface photovoltage and neutralizing of defects with hydrogen´´), in Eðlisfræði á Íslandi IX, editor Ari Ólafsson, pp. 75 - 82 (1999)

2. Halldór G. Svavarsson, Guðjón I. Guðjónsson, Jón T. Guðmundsson og Hafliði Pétur Gíslason, Sætasvíxl kísils í GaAs (e. ´´Silicon siteswitching in GaAs´´), in Eðlisfræði á Íslandi X, editor Ari Ólafsson, pp. 123-128 (2001)

3. H.G. Svavarsson, D.M. Danielsson and J.T. Gudmundsson. Notkun þunnhúðartækni við gerð kisil solar-hlaða (Application of thin-film technique for production of solar-cells). Yearbook of the Icelandic Engineering Society, editor: Ragnar Ragnarsson, pp. 231-237, Reykjavik  (2007)

Other Iclelandic articles

1.Hafliði P. Gíslason og Halldór G. Svavarsson, Nýjar hugmyndir um gerð GaAs tvista (e. ´´New ideas regarding production of GaAs diodes´´) in Raflost- tímarit rafmagns- og tölvuverkfræðinema (2002)

2. Halldór G. Svavarsson, Örtækni á sviði steinsteypu, í Tæknivísir- tímarit byggingartæknifræðinema (2005)

3. Halldór G. Svavarsson, Binding koldíoxíðs frá orkuverum með hjálp þörunga, in Tímarit Háskólans í Reykjavík, vol. 2 (2010)

Reports
1. Guðmundur Gunnarsson, Halldór Svavarsson, Hilmar B. Janusson, Keramík örkúlur (e. ´´Ceramic microspheres´´), ITI 9403/HTD0, Technological Institute of Iceland, january 1994
2. Halldór Svavarsson, Guðmundur Gunnarsson, Zirkóníumoxíð örkúlur fyrir plasmasprautun (e. ´´Zirconiumoxide microspheres for plasma spraying´´), ITI 9401/HTD01T, Technological Institute of Iceland, january 1994
3. Halldór Svavarsson, Guðmundur Gunnarsson, Örkúlur úr kísilryki (e. ´´Microspheres made of silica fume´´), ITI9413/HTD05, Technological Institute of Iceland, june 1994
4. Hilmar B. Janusson, Halldór Svavarsson, Keramík örkúlur fyrir síur og þrýstirafsvarandi skynjara (e. ´´Ceramic microspheres for filters and piezoelectric devices´´), ITI 9402/HTD 02T, Technological Institute of Iceland, 1994
5. Ólafur H. Wallevik, Halldór Svavarsson, Jón E. Wallevik, Efniseiginleikar borholusteypu (e. ``Material properties of well cement´´), Annar fasi, Rb 04-04, UDC 622.241, The Icelandic Building Research Institute, feb. 2004