Vladimir Popok

Associate Professor (Docent) qualification

  • Skjernvej 4, A, 1112

    9220 Aalborg Ø

    Denmark

19942019
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Research Output 1994 2019

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Journal article
2019

Charge States of Size-Selected Silver Nanoparticles Produced by Magnetron Sputtering

Popok, V. & Gurevich, L., Aug 2019, In : Journal of Nanoparticle Research. 21, 8, 171.

Research output: Contribution to journalJournal articleResearchpeer-review

Silver Nanoparticles
Magnetron Sputtering
Nanoclusters
Silver
Magnetron sputtering

Comparative study of wire bond degradation under power and mechanical accelerated tests

Popok, V., Buhrkal-Donau, S., Czerny, B., Khatibi, G., Luo, H., Iannuzzo, F. & Pedersen, K., 1 Sep 2019, In : Journal of Materials Science: Materials in Electronics. 30, 18, p. 17040-17045 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

wire
Wire
degradation
Degradation
cycles

Structure and properties of Ta/Al/Ta and Ti/Al/Ti/Au multilayer metal stacks formed as ohmic contacts on n-GaN

Boturchuk, I., Walter, T., Julsgaard, B., Khatibi, G., Schwarz, S., Stöger-Pollach, M., Pedersen, K. & Popok, V. N., 1 Oct 2019, In : Journal of Materials Science: Materials in Electronics. 30, 19, p. 18144-18152 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Ohmic contacts
electric contacts
Multilayers
Metals
Adhesion
2018
1 Citation (Scopus)
124 Downloads (Pure)

Comparative study of Al metallization degradation in power diodes under passive and active thermal cycling

Brincker, M., Pedersen, K. B., Kristensen, P. K. & Popok, V., 26 Oct 2018, In : IEEE Transactions on Components, Packaging and Manufacturing Technology. 8, 12, p. 2073-2080 8 p., 8506441.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Thermal cycling
Metallizing
Degradation
Fatigue of materials
Aluminum Oxide
1 Citation (Scopus)
180 Downloads (Pure)

Comparative Study of Antibacterial Properties of Polystyrene Films with TiOx and Cu Nanoparticles Fabricated using Cluster Beam Technique

Popok, V., Jeppesen, C. M., Fojan, P., Kuzminova, A., Hanuš, J. & Kylián, O., 8 Mar 2018, In : Beilstein Journal of Nanotechnology. 9, p. 861-869 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Polystyrenes
polystyrene
Nanoparticles
nanoparticles
Composite films
2 Citations (Scopus)
96 Downloads (Pure)

Structural Characterization of MOVPE Grown AlGaN/GaN for HEMT Formation

Popok, V., Aunsborg, T. S., Godiksen, R. H., Kristensen, P. K., Juluri, R. R., Caban, P. & Pedersen, K., Dec 2018, In : Reviews on Advanced Materials Science. 57, 1, p. 72-81 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Metallorganic vapor phase epitaxy
High electron mobility transistors
high electron mobility transistors
Heterojunctions
Buffers
5 Citations (Scopus)

Thermo-mechanically induced texture evolution and micro-structural change of aluminum metallization

Brincker, M., Walter, T., Kristensen, P. K. & Popok, V., Mar 2018, In : Journal of Materials Science: Materials in Electronics. 29, 5, p. 3898-3904 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Metallizing
Aluminum
chips (electronics)
textures
Textures
2017
13 Citations (Scopus)

Highly Stable Monocrystalline Silver Clusters for Plasmonic Applications

Novikov, S., Popok, V., Evlyukhin, A. V., Muhammad, H., Morgen, P., Fiutowski, J., Beermann, J., Rubahn, H-G. & Bozhevolnyi, S., 15 May 2017, In : Langmuir. 33, 24, p. 6062-6070 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Silver
silver
Nanoparticles
nanoparticles
Helium
4 Citations (Scopus)

Immersion of low-energy deposited metal clusters into poly(methyl methacrylate)

Popok, V. N., Hanif, M., Ceynowa, F. A. & Fojan, P., Oct 2017, In : Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 409, p. 91-95 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

metal clusters
Polymethyl methacrylates
polymethyl methacrylate
submerging
Annealing
5 Citations (Scopus)

Metal organic vapor phase epitaxy growth of (Al)GaN heterostructures on SiC/Si(111) templates synthesized by topochemical method of atoms substitution

Rozhavskaia, M. M., Kukushkin, S. A., Osipov, A., Myasoedov, A. V., Troshkov, S. I., Sorokin, L. M., Brunkov, P. N., Baklanov, A. V., Telyatnik, R. S., Juluri, R. R., Pedersen, K. & Popok, V., Jul 2017, In : Physica Status Solidi. A: Applications and Materials Science . 214, 10, 7 p., 1700190.

Research output: Contribution to journalJournal articleResearchpeer-review

Vapor phase epitaxy
Buffer layers
vapor phase epitaxy
Heterojunctions
Substitution reactions
2016
6 Citations (Scopus)
148 Downloads (Pure)

Comprehensive physical analysis of bond wire interfaces in power modules

Popok, V., Pedersen, K. B., Kristensen, P. K. & Pedersen, K., 1 Apr 2016, In : Microelectronics Reliability. 58, p. 58-64 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

wire
Wire
degradation
Degradation
energy technology
8 Citations (Scopus)

Degradation evolution in high power IGBT modules subjected to sinusoidal current load

Pedersen, K. B., Haxen Østergaard, L., Kristensen, P. K., Ghimire, P., Popok, V. & Pedersen, K., Feb 2016, In : Journal of Materials Science: Materials in Electronics. 27, 2, p. 1938-1945 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

9 Citations (Scopus)

Poly (methyl methacrylate) Composites with Size-Selected Silver Nanoparticles Fabricated using Cluster Beam Technique

Hanif, M., Juluri, R. R., Chirumamilla, M. & Popok, V., 15 Jun 2016, In : Journal of Polymer Science. Part B, Polymer Physics. 54, 12, p. 1152-1159 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Polymethyl Methacrylate
Polymethyl methacrylates
Silver
polymethyl methacrylate
silver
77 Downloads (Pure)

Polymer films with size-selected silver nanoparticles as plasmon resonance-based transducers for protein sensing

Muhammad, H., Juluri, R. R., Fojan, P. & Popok, V., 20 Oct 2016, In : Biointerface Research in Applied Chemistry. 6, 5, p. 1564-1568

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Transducers
Silver
Polymer films
Nanoparticles
Polymers
2015
7 Citations (Scopus)
3 Downloads (Pure)

Copper nanoparticles synthesized in polymers by ion implantation: Surface morphology and optical properties of the nanocomposites

Popok, V., Nuzhdin, V., Valeev, V. & Stepanov, A., 15 Jan 2015, In : Journal of Materials Research. 30, 1, p. 86-92 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Ion implantation
Surface morphology
ion implantation
Copper
Nanocomposites
23 Citations (Scopus)
8 Downloads (Pure)

Degradation Assessment in IGBT Modules Using Four-Point Probing Approach

Pedersen, K. B., Kristensen, P. K., Popok, V. & Pedersen, K., May 2015, In : I E E E Transactions on Power Electronics. 30, 5, p. 2405-2412 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Insulated gate bipolar transistors (IGBT)
Degradation
Wear of materials
15 Citations (Scopus)

Degradation mapping in high power IGBT modules using four-point probing

Pedersen, K. B., Haxen Østergaard, L., Ghimire, P., Popok, V. & Pedersen, K., Jul 2015, In : Microelectronics Reliability. 55, 8, p. 1196-1204

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)
412 Downloads (Pure)

Free surface entropic lattice Boltzmann simulations of film condensation on vertical hydrophilic plates

Hygum, M. A., Karlin, I. & Popok, V., Aug 2015, In : International Journal of Heat and Mass Transfer. 87, p. 576-582 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

File
film condensation
Condensation
simulation
Liquid films
laminar flow
2 Citations (Scopus)
345 Downloads (Pure)

Modelling and experimental verification of tip-induced polarization in Kelvin probe force microscopy measurements on dielectric surfaces

Nielsen, D. A., Popok, V. & Pedersen, K., 21 Nov 2015, In : Journal of Applied Physics. 118, 19, 7 p., 195301.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
microscopy
probes
polarization
micrometers
predictions
12 Citations (Scopus)

Structure and Plasmonic Properties of Thin PMMA Layers with Ion-Synthesized Ag Nanoparticles

Popok, V., Hanif, M., Mackova, A. & Mikšovȧ, R., Apr 2015, In : Journal of Polymer Science. Part B, Polymer Physics. 53, 9, p. 664-672 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Polymethyl Methacrylate
Ions
Nanoparticles
Ion implantation
nanoparticles
7 Citations (Scopus)
338 Downloads (Pure)

Supported silver clusters as nanoplasmonic transducers for protein sensing

Fojan, P., Hanif, M., Bartling, S., Hartmann, H., Barke, I. & Popok, V., Jun 2015, In : Sensors and Actuators B: Chemical. 212, p. 377-381 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

File
2014
7 Citations (Scopus)
185 Downloads (Pure)

Cluster Ion Implantation in Graphite and Diamond: Radiation Damage and Stopping of Cluster Constituents

Popok, V., 4 Aug 2014, In : Reviews on Advanced Materials Science. 38, 1, p. 7-16 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Diamond
Graphite
Radiation damage
radiation damage
stopping
305 Downloads (Pure)

Humidity distribution affected by freely exposed water surfaces: Simulations and experimental verification

Hygum, M. A. & Popok, V., 28 Jul 2014, In : Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. 90, 1, 8 p., 013023.

Research output: Contribution to journalJournal articleResearchpeer-review

File
Humidity
surface water
humidity
Water
reliability engineering
21 Citations (Scopus)

Interface structure and strength of ultrasonically wedge bonded heavy aluminium wires in Si-based power modules

Pedersen, K. B., Benning, D., Kristensen, P. K., Popok, V. & Pedersen, K., Jul 2014, In : Journal of Materials Science: Materials in Electronics. 25, 7, p. 2863-2871 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

8 Citations (Scopus)
214 Downloads (Pure)

Polymer Films with Ion-Synthesized Cobalt and Iron Nanoparticles: Conductance and Magnetism

Popok, V., Feb 2014, In : Reviews on Advanced Materials Science. 36, 1, p. 1-12 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Metal nanoparticles
Magnetism
Cobalt
Polymer films
Magnetic properties
2013
1 Citation (Scopus)

Correlation of electronic and magnetic properties of thin polymer layers with cobalt nanoparticles

Kharchenko, A., Lukashevich, M., Popok, V., Khaibullin, R., Valeev, V., Bazarov, V., Petracic, O., Wieck, A. & Odzhaev, V., Feb 2013, In : Particle & Particle Systems Characterization. 30, 2, p. 180-184 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Cobalt
Electronic properties
Magnetic properties
Polymers
fluence
19 Citations (Scopus)
1 Downloads (Pure)

Micro-sectioning approach for quality and reliability assessment of wire bonding interfaces in IGBT modules

Pedersen, K. B., Kristensen, P. K., Popok, V. & Pedersen, K., Sep 2013, In : Microelectronics Reliability. 53, 9-11, p. 1422-1426

Research output: Contribution to journalJournal articleResearchpeer-review

2012
22 Citations (Scopus)
2 Downloads (Pure)

Design and capabilities of an experimental setup based on magnetron sputtering for formation and deposition of size-selected metal clusters on ultra-clean surfaces

Hartmann, H., Popok, V., Barke, I., von Oeynhausen, V. & Meiwes-Broer, K-H., Jul 2012, In : Review of Scientific Instruments. 83, 7, p. 073304 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

metal clusters
Magnetron sputtering
Atomic force microscopy
magnetron sputtering
Amorphous carbon
6 Citations (Scopus)
3 Downloads (Pure)

Impact of keV-energy argon clusters on diamond and graphite

Popok, V., Samela, J., Nordlund, K. & Popov, V. P., 1 Jul 2012, In : Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 282, p. 112-115

Research output: Contribution to journalJournal articleResearchpeer-review

Argon
Diamonds
Graphite
graphite
diamonds
5 Citations (Scopus)
317 Downloads (Pure)

Implantation of keV-energy argon clusters and radiation damage in diamond

Popok, V., Samela, J., Nordlund, K. & Popov, V., 15 Jan 2012, In : Physical Review B (Condensed Matter and Materials Physics). 85, 3, p. 033405 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Diamond
Argon
Radiation damage
radiation damage
Diamonds
102 Citations (Scopus)
462 Downloads (Pure)

Ion Implantation of Polymers: Formation of Nanoparticulate Materials

Popok, V., Feb 2012, In : Reviews on Advanced Materials Science. 30, 1, p. 1-26

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Ion implantation
ion implantation
Polymers
polymers
implantation
2011
141 Citations (Scopus)

Cluster-surface interaction: from soft landing to implantation

Popok, V., Barke, I., Campbell, E. E. B. & Meiwes-Broer, K-H., Oct 2011, In : Surface Science Reports. 66, 10, p. 347-377 31 p.

Research output: Contribution to journalJournal articleResearchpeer-review

soft landing
Landing
surface reactions
implantation
Kinetic energy
42 Citations (Scopus)

Energetic cluster ion beams: Modification of surfaces and shallow layers

Popok, V., 22 Aug 2011, In : Materials Science and Engineering R: Reports. 72, 7-8, p. 137-157 21 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Ion beams
Dry etching
Scaling laws
Radiation damage
Kinetic energy
3 Citations (Scopus)

Specificity of Silver Nanoparticle Synthesis in Quartz Glass under Low-Energy Ion Implantation

Stepanov, A., Valeev, V., Nuzhdin, V. & Popok, V., Jul 2011, In : Nanotechnologies in Russia. 6, 7-8, p. 490-495 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Quartz
Silver
Ion implantation
ion implantation
quartz
2010
7 Citations (Scopus)

Kelvin Probe Force Microscopy Study of LaAlO3/SrTiO3 Heterointerfaces

Popok, V., Kalabukhov, A., Gunnarsson, R., Lemeshko, S., Claeson, T. & Winkler, D., Apr 2010, In : Journal of Advanced Microscopy Research. 5, 1, p. 26-30 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electron gas
Surface potential
Charge carriers
Transition metals
Microscopic examination
19 Downloads (Pure)

Magnetoresistive effect in PET films with iron nanoparticles synthesised by ion implantation

Lukashevich, M., Popok, V., Volobuev, V. S., Melnikov, A. A., Khaibullin, R., Bazarov, V., Wieck, A. & Odzhaev, V., Jan 2010, In : The Open Applied Physics Journal. 3, p. 1-5 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
ion implantation
fluence
iron
nanoparticles
inclusions
18 Citations (Scopus)
45 Downloads (Pure)

Optical and AFM study of ion-synthesised silver nanoparticles in thin surface layers of SiO2 glass

Popok, V., Gromov, A. V., Nuzhdin, V. & Stepanov, A., 1 Jun 2010, In : Journal of Non-Crystalline Solids. 356, 25-27, p. 1258-1261 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Silver
surface layers
silver
atomic force microscopy
Ions
14 Citations (Scopus)
22 Downloads (Pure)

Stopping of energetic argon cluster ions in graphite: role of cluster momentum and charge

Popok, V., Samela, J., Nordlund, K. & Campbell, E. E. B., 8 Nov 2010, In : Physical Review B (Condensed Matter and Materials Physics). 82, 20, 4 p., 201403(R).

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Graphite
Argon
stopping
Momentum
graphite
2009
95 Citations (Scopus)
102 Downloads (Pure)

Cationic Disorder and Phase Segregation in LaAlO3/SrTiO3 Heterointerfaces Evidenced by Medium-Energy Ion Spectroscopy

Kalabukhov, A., Boikov, Y. A., Serenkov, I. T., Sakharov, V. I., Popok, V., Gunnarson, R., Borjesson, J., Ljustina, N., Olsson, E., Winkler, D. & Claeson, T., 2 Oct 2009, In : Physical Review Letters. 103, 14, 4 p., 146101.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
disorders
spectroscopy
surface layers
ions
film thickness
15 Citations (Scopus)
30 Downloads (Pure)

Formation of surface nanostructures on rutile (TiO2): comparative study of low-energy cluster ion and high-energy monoatomic ion impact

Popok, V., Jensen, J., Vuckovic, S., Mackova, A. & Trautmann, C., 24 Sep 2009, In : Journal of Physics D: Applied Physics. 42, 20, 6 p., 205303.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
ion impact
rutile
Nanostructures
Ions
stopping
8 Citations (Scopus)

Pinning of size-selected Co clusters on highly ordered pyrolytic graphite

Vuckovic, S., Samela, J., Nordlund, K. & Popok, V., 6 Mar 2009, In : The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics. 52, p. 107-110 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

pyrolytic graphite
implantation
cobalt
energy
craters
28 Citations (Scopus)
42 Downloads (Pure)

Stopping of energetic cobalt clusters and formation of radiation damage in graphite

Popok, V., Vuckovic, S., Samela, J., Jarvi, T. T. & Nordlund, K., 19 Nov 2009, In : Physical Review B (Condensed Matter and Materials Physics). 80, 20, 12 p., 205419.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Graphite
Radiation damage
Cobalt
radiation damage
stopping
2008
3 Citations (Scopus)

Electronic properties of thin films sublimed from La@C82 and Li@C60

Popok, V., Gromov, A. V., Jonsson, M., Taninaka, A., Shinohara, H. & Campbell, E. E. B., Jun 2008, In : Nano. 3, 3, p. 155-160 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electronic properties
Thin films
thin films
electronics
electrical measurement
14 Citations (Scopus)
22 Downloads (Pure)

Laser ablation source for formation and deposition of size-selected metal clusters

Vuckovic, S., Svanqvist, M. & Popok, V., Jul 2008, In : Review of Scientific Instruments. 79, 7, 8 p., 073303.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Laser ablation
metal clusters
laser ablation
Graphite
Kinetic energy
48 Citations (Scopus)
14 Downloads (Pure)

Origin of complex impact craters on native oxide coated silicon surfaces

Samela, J., Nordlund, K., Popok, V. & Campbell, E. E. B., 11 Feb 2008, In : Physical Review B. Condensed Matter and Materials Physics. 77, 7, 15 p., 075309.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Silicon oxides
Silicon
silicon oxides
craters
Oxides
2007
20 Citations (Scopus)

Argon cluster impacts on layered silicon, silica and graphite surfaces

Samela, J., Nordlund, K., Keinonen, J., Popok, V. & Campbell, E. E. B., May 2007, In : The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics. 43, 1-3, p. 181-184 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

bombardment
graphite
argon
silicon dioxide
silicon
17 Citations (Scopus)

Comparison of silicon potentials for cluster bombardment simulations

Samela, J., Nordlund, K., Keinonen, J. & Popok, V., Feb 2007, In : Nuclear Instruments and Methods in Physics Reseach B. 255, 1, p. 253-258 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Sputtering
bombardment
Silicon
silicon
Molecular dynamics
6 Citations (Scopus)

Conductance and polarisability of C60 films

Popok, V., Jönsson, M. & Campbell, E. E. B., Apr 2007, In : Journal of Nanoscience and Nanotechnology. 7, 4-5, p. 1434-1438 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Atomic force microscopy
atomic force microscopy
Remanence
Temperature
electrical measurement
17 Citations (Scopus)

Formation of anisotropic ferromagnetic response in rutile (TiO2) implanted with cobalt ions

Khaibullin, R., Ibragimov, S. Z., Tagirov, L. R., Popok, V. & Khaibullin, I. B., Apr 2007, In : Nuclear Instruments and Methods in Physics Reseach B. 257, 1-2, p. 369-373 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

rutile
Cobalt
cobalt
ferromagnetism
Ferromagnetism
10 Citations (Scopus)

Modification of magnetic properties of polyethyleneterephthalate by iron implantation

Lukashevich, M., Batlle, X., Labarta, A., Popok, V., Zhikharev, V. A., Khaibullin, R. I. & Odzhaev, V., Apr 2007, In : Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 257, 1-2, p. 589-592 4 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Ion implantation
Magnetization
implantation
Magnetic properties
fluence