Juris BLUMS

Dr.phys. Juris BLUMS asoc.prof., senior researcher Technical Physics Institute Faculty of Material Science and Applied Chemistry Riga Technical University Azenes iela 14/24-301 Riga, LV-1048 Latvia Phone: +371 29774351 Fax: +371 67089074 E-mail: blum@latnet.lv

Born:  September 18, 1968, Jurmala, Latvia

• Interaction of laser radiation and solid
• Human and ambient motion energy harvesting
• Wearable electronics system
• Microwatt power management
• Education research in physics

I have investigated laser induced creation of electrically active centres in silicon and germanium as well as the heterogeneous precipitation of oxygen at such centres; the ultrafast X-ray spectrometry of melting dynamics of semiconductors under action of laser radiation; modification of solids with laser radiation, characterisation of thin films on textile substrates by laser radiation, creation of human motion energy harvesters and its integration into apparel, ambient motion energy harvesting by electrodinamical and electrostatical harvesters, elaboration of physics study materials for distance learning and teaching. 

Languages:

Latvian, Russian, English, German

Education:

• University of Latvia, Faculty of Physics and Mathematics, (Diploma of physicist, Speciality: solid-state electronics) 1992
• Dr.phys.Doctoral studies at Riga Technical University, Diploma   title of thesis “Laser-induces centres in silicon”, 1997

Affiliation:

• Assistant, Department of Physics, Riga Technical University, 1995 -1996
• Lecturer, Department of Physics, Riga Technical University, 1996 -1997
• Assistant Professor, Technical  Physics Institute, Riga Technical University, 1997 -2000
• Assistant Professor, Radiation engineering physics group, Technical  Physics Institute, Riga Technical University, 2003-2004
• Associate Professor, Radiation engineering physics group, Technical  Physics Institute, Riga Technical University, 2004 -

Work abroad:

• Postdoctoral research at Tallinn Technical University (Estonia), 02.2001 – 08.2001
• Researcher at Institute of Experimental Physics, Essen University (Germany), 09.2001- 08.2003
• Visiting professor at Oulu Technological University, Finland,11.2005.
• Visiting professor at University of Applied Sciences Berlin (Germany), 05.2012

Professional Activities and Memberships:

• Member of New-York Academy of Sciences, 1997-1999
• Member of Society of  Latvian  Scientists, 1997 -
• Member of the Latvian Physicists Society, 1997 -
• Member of the Latvian Optical Society, 2009 -
• Member of Promotion Council "RTU P-18" in Materials Science,  speciality - Engineering of Materials (Dr.sc.ing.) and Physics of Materials (Dr.phys.), 2004 -
• Scientific Expert, Latvian Council of Science, in branch "Nature science and mathematics", subbranch "Physics of solid state, semiconductors, condensed matter"
• Member of Council of Faculty of Material Science and Applied Chemistry

  Research projects: 

• Researcher. Influence of the Laser Radiation on Silicide Layer, Metal-Semiconductor Contacts and Buried Layer Formation., Latvian Council of Science, 1991-1993
• Researcher.The Investigation of the Mechanism of Laser Annealing of Silicon on Isolator (SOI) Structures, Latvian Council of Science, 1994-1996
• Researcher.Dynamics of Formation of Buried Layer and Investigation of the Centres Generated by Laser Radiation.Latvian Council of Science, 1997-1999
• Researcher.Application of reflected infrared laser beam for non-contact 3D positioning,Ministry of Education and Science, 2005
• Researcher.Application of non-contact 3D positioning for anthropometrical modelling, Ministry of Education and Science, 2007.
• Head of the project.Design and development of the garment with integrated microclimate control system Ministry of Education and Science, 2008
• Assistant of project leader. Elaboration of the multimedia study materials for engineering study programs, ESF project Nr. 2005/0127/VPD1/ESF/PIAA/04/APK/3.2.3.2/0021/0007, 2005-2008.
• Researcher. Project to improve the quality of the RTU’s engineering curriculum and make it more accessible to the university’s regional affiliates by applying ICT solutions ESF project Nr. 2006/0247/VPD1/ESF/PIAA/06/APK/3.2.3.2./0061/0007, 2006-2007.
• Senior researcher. Establishment of interdisciplinary research groups for a new functional properties of smart textiles development and integrating in innovative products, ESF project Nr. 2009/0198/1DP/1.1.1.2.0./09/APIA/VIAA/148,2009-2012.

Courses in Riga Technical University: 

• Physics, 1992-
• Introductory Physics for Foreign Students, 1997-
• Physics for Foreign Students, 1997-
• Physical Bases of Modern Technologies,  1999
• Duel-use commodities, 2004-
• Introduction in Physics, 2009-
• Smart nanostructured materials, 2010-

Recent /Representative Publications

• K-Sokolowski-Tinten,Ch.Blome, J.Blums, A.Cavalleri, C.Dietrich, A.Tarasevitch, I.Uschmann, E.Förster, M.Kammler, M.Horn-von-Hoegen, D. Von der Linde. Femtosecond X-ray measurement of coherent lattice vibrations near the Lindemann stability limit, NATURE, vol.422, pp. 287-289 (2003).
• K. Sokolowski-Tinten, C. Blome, J. Blums, U. Shymanovich, M. Nicoul, A. Cavalleri, A. Tarasevitch, M. Horn-von-Hoegen, M. Kammler , D. von der Linde. Ultrafast X-Ray Diffraction,in: Ultrafast Phenomena XIV, ed. by T. Kobayashi, Springer Series in Chemical Physics 79, pp.170-174 (Springer, Heidelberg, 2005).
• U.Shymanovich, M. Nicoul, J. Blums, K. Sokolowski-Tinten, A. Tarasevitch, T. Wietler, M. Horn von Hoegen, D. von der Linde.Diffraction of strongly convergent X-rays from picosecond acoustic transients Appl. Phys. A 87, pp. 7–11 (2007)
• Sokolowski-Tinten, U. Shymanovich, M. Nicoul, J. Blums, A. Tarasevitch, M. Horn-von-Hoegen, and D. von der Linde, Ultrafast Phenomena XV, ed. by A. M. Weiner and R. J. D. Miller. Energy relaxation and anomalies in the thermo-acoustic response of femtosecond laser-excited Germanium, Springer Series in Chemical Physics 88, pp. 597-599,(Springer, Heidelberg, 2007).
• J.Blums, A.Bluma, M.Jansone, I.Klemenoks, I.Klincare, B.Žuga, and M.Knite. Elaboration of multimedia study materials in physics at Riga Technical University, Europhysics conference abstracts, vol. 29G, ISBN 2-914771-28-2, ed. R.M.Pick
• D. Abolina, A. Vilumsone, J. Blums, Investigation of Textile Materials for Laser Light Beam Scanning, Advanced Materials Research Vol. 222,2011, pp. 40-43.
• I.Sahta, I. Baltina and J. Blums, Development of Microclimate Regulatory Clothes, Advanced Materials Research Vol. 222, 2011, pp. 193-196
• Sahta I., Baltina I., Blums J. The Garment with Integrated Microclimate Control System. In: Acoustic Space, Energy. Nr. 8., 2011, pp 166-171. ISSN 1407-2858.
• J.Blums,G.Terlecka, A.Vilumsone. The Electrodynamics Human Motion Energy Converter with Planar Structure. Advanced Materials Research Vol. 222, 2011,pp. 36-39
• Latvian patent Nr. 13779,J. Blums, A.Kataševs,O. Kudrjašovs. Method of reflected infrared laser beam usage for non-contact 3D positioning
• Latvian patent Nr. 13918. J.Blums, I.Gornevs, V.Jurkans, I.Baltina. Microclimate control system and the method of temperature recontrol in it.
• Latvian patent Nr. 14168. J.Blums. Electromechanical generator.

Textbooks:

• I.Klemenoks, M.Jansone, I.Klincare, J.Blums, A.Bluma, M.Knite. Physics III, Wave Optics, 2007, Riga:RTU,174 pp. (in Latvian)
• Control of Dual-Use Goods.  Ed. by. A.Salmins and A.Krastins, Riga 2007, 256 pp.
• I.Klemenoks, M.Jansone, I.Klincare, J.Blums, A.Bluma, M.Knite.Physics I, Fundamentals of Mechanics. Fundamentals of Molecularphysics and Thermodynamics, 2006, Riga: RTU, 201 pp. (in Latvian)
• J.Blums, M.Jansone, A.Kalnaca, A.Kiploka, I.Klemenoks, M.Knite, A.Krivics, V.Novikovs, A.Medvids, A.Ozols.Collected Problems of General Physics, Riga: RTU ,2006, 274 pp.(in Latvian)
• Technical Identification of Goods, in Dual-use strategical goods and its control, Ed. by A.Krastins and A.Salmins, ISBN 9984-32-044-8, Riga, 2004.pp. 148.-173.
• J.Blums.Physics, topics of lectures, RTU, 2004.
• M.Jansone, A.Kalnaca, J.Blums, A.Kiploka, I.Klemenoks, A.Medvids, M.Knite. Collected Problems of General Physics, Riga: RTU ,2000, 247 pp. (in Latvian)

Last update 9.10.2012