• Fibigerstræde 16, 3-108

    9220 Aalborg Ø

    Denmark

1988 …2021
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Research Output 1988 2019

2019
2 Downloads (Pure)

Plasmon enhanced light scattering into semiconductors by aperiodic metal nanowire arrays

Ulriksen, H. U., Søndergaard, T. M., Pedersen, T. G. & Pedersen, K., 2019, In : Optics Express. 27, 10, p. 14308-14320 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
nanowires
light scattering
metals
strip
scattering

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
33 Downloads (Pure)

AlGaN/GaN Heterostructures in High Electron Mobility Transistors

Caban, P., Thorpe, R., Feldman, L., Pedersen, K. & Popok, V., Oct 2018, Proceedings of VIII International Conference on Materials and Structures of Modern Electronics. Odzaev, V. B. (ed.). Minsk: BSU, p. 5-8 4 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

Open Access
File
high electron mobility transistors
electron gas
stoichiometry
microscopy
probes

Optical characterization of SiC films grown on Si(111)

Juluri, R. R., Hansen, J. L., Kristensen, P. K., Julsgaard, B. & Pedersen, K., 2018, In : Applied Physics B. 124, 12, 230.

Research output: Contribution to journalJournal articleResearchpeer-review

2 Citations (Scopus)
105 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
4 Citations (Scopus)

Ultra-thin titanium nitride films for refractory spectral selectivity

Roberts, A., Chirumamilla, M., Wang, D., An, L., Pedersen, K., Mortensen, N. A. & Bozhevolnyi, S. I., 2018, In : Optical Materials Express. 8, 12, p. 3717-3728 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
2017
1 Citation (Scopus)

Growth of aluminum oxide on silicon carbide with an atomically sharp interface

Silva, A. C. G., Pedersen, K., Li, Z., Hvam, J., Dhiman, R. & Morgen, P., 2017, In : Journal of Vacuum Science & Technology. A: International Journal Devoted to Vacuum, Surfaces, and Films. 35, 1, 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
17 Citations (Scopus)

Hot-Spot Engineering in 3D Multi-Branched Nanostructures: Ultrasensitive Substrates for Surface-Enhanced Raman Spectroscopy

Chirumamilla, M., Chirumamilla, A., Roberts, A., Zaccaria, R. P., De Angelis, F., Kristensen, P. K., Krahe, R., Bozhevolnyi, S. I., Pedersen, K. & Toma, A., 2017, In : Advanced Optical Materials. 5, 4, 7 p., 1600836.

Research output: Contribution to journalJournal articleResearchpeer-review

Raman spectroscopy
Nanostructures
engineering
Molecules
Substrates
24 Citations (Scopus)

Large‐Area Ultrabroadband Absorber for Solar Thermophotovoltaics Based on 3D Titanium Nitride Nanopillars

Chirumamilla, M., Chirumamilla, A., Yang, Y., S. Roberts, A., Kristensen, P. K., Chaudhuri, K., Boltasseva, A., Sutherland, D., Bozhevolnyi, S. I. & Pedersen, K., Oct 2017, In : Advanced Optical Materials. 5, 22, 8 p., 1700552.

Research output: Contribution to journalJournal articleResearchpeer-review

Titanium nitride
titanium nitrides
absorbers
Hafnium oxides
broadband
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
2 Citations (Scopus)
146 Downloads (Pure)

Optics of multiple grooves in metal: transition from high scattering to strong absorption

Skjølstrup, E. J. H., Søndergaard, T., Pedersen, K. & Pedersen, T. G., 28 Dec 2017, In : Journal of Nanophotonics. 11, 4, 13 p., 046023.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
125 Downloads (Pure)

Optics of multiple grooves in metal: Transition from high scattering to strong absorption

Skjølstrup, E. J. H., Søndergaard, T., Pedersen, K. & Pedersen, T. G., 25 Aug 2017, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV. SPIE - International Society for Optical Engineering, p. 1-12 12 p. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 10346).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
4 Citations (Scopus)

Power cycling test of a 650 V discrete GaN-on-Si power device with a laminated packaging embedding technology

Song, S., Munk-Nielsen, S., Uhrenfeldt, C. & Pedersen, K., Oct 2017, Proceedings of 2017 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE Press, p. 2540-2545 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Packaging
Acoustic microscopes
Scanning
Leakage currents
Inductance

Simulation and Verification of Tip-Induced Polarization During Kelvin Probe Force Microscopy Measurements on Film Capacitors

Nielsen, D. A., Popok, V. & Pedersen, K., 2017, 3rd International Multidisciplinary Microscopy and Microanalysis Congress (InterM): Proceedings, Oludeniz, Turkey, 19-23 October 2015. Oral, A. Y. & Bahsi Oral, Z. B. (eds.). Springer, p. 215-221 7 p. (Springer Proceedings in Physics, Vol. 186).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

capacitors
microscopy
probes
polarization
simulation

Two-photon photoluminescence and second-harmonic generation from unintentionally doped and semi-insulating GaN crystals

Godiksen, R. H., Aunsborg, T. S., Kristensen, P. K. & Pedersen, K., 1 Nov 2017, In : Applied Physics B. 123, 270.

Research output: Contribution to journalJournal articleResearchpeer-review

8 Citations (Scopus)

Vce as early indicator of IGBT module failure mode

Pedersen, K. B., Kristensen, P. K., Pedersen, K., Uhrenfeldt, C. & Munk-Nielsen, S., 1 Jun 2017, 2017 IEEE International Reliability Physics Symposium (IRPS). IEEE, 6 p. FA-1

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

7 Citations (Scopus)

Wire bond degradation under thermo- and pure mechanical loading

Pedersen, K. B., Nielsen, D. A., Czerny, B., Khatibi, G., Iannuzzo, F., Popok, V. & Pedersen, K., Jul 2017, In : Microelectronics Reliability. 76-77, p. 373-377 5 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

wire
Wire
degradation
Degradation
cycles
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

1 Citation (Scopus)

Field enhancement at silicon surfaces by gold ellipsoids probed by optical second-harmonic generation spectroscopy

Ulriksen, H. U. & Pedersen, K., 20 Dec 2016, In : Journal of Applied Physics. 120, 23, 10 p., 235307.

Research output: Contribution to journalJournal articleResearchpeer-review

2 Citations (Scopus)

High-output LED-based light engine for profile lighting fixtures with high color uniformity using freeform reflectors

Gadegaard, J., Jensen, T. K., Jørgensen, D. T., Kristensen, P. K., Søndergaard, T., Pedersen, T. G. & Pedersen, K., 5 Jan 2016, In : Applied Optics. 55, 6, p. 1356-1365

Research output: Contribution to journalJournal articleResearchpeer-review

8 Citations (Scopus)
102 Downloads (Pure)

Light extinction and scattering from individual and arrayed high-aspect-ratio trenches in metal

Roberts, A., Søndergaard, T., Chirumamilla, M., Pors, A., Beermann, J., Pedersen, K. & Bozhevolnyi, S., 4 Feb 2016, In : Physical Review B (Condensed Matter and Materials Physics). 93, 7, 14 p., 075413.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File

Monitoring of IGBT modules - temperature and degradation simulation

Pedersen, K. B., Brincker, M., Ghimire, P. & Pedersen, K., 8 Mar 2016, CIPS 2016: 9th International Conference on Integrated Power Electronics Systems. VDE Verlag GMBH, 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

51 Citations (Scopus)

Multilayer tungsten-alumina-based broadband light absorbers for high-temperature applications

Chirumamilla, M., Roberts, A., Ding, F., Wang, D., Kristensen, P. K., Bozhevolnyi, S. & Pedersen, K., 2016, In : Optical Materials Express. 6, 8, p. 2704-2714

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
Tungsten
High temperature applications
Aluminum Oxide
Multilayers
Alumina
2015
4 Citations (Scopus)

Compact wavelength add–drop multiplexers using Bragg gratings in coupled dielectric-loaded plasmonic waveguides

Biagi, G., Fiutowski, J., Radko, I. P., Rubahn, H-G., Pedersen, K. & Bozhevolnyi, S. I., 15 May 2015, In : Optics Letters. 40, 10, p. 2429-2432

Research output: Contribution to journalJournal articleResearchpeer-review

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

6 Citations (Scopus)

Directly patterned TiO2 nanostructures for efficient light harvesting in thin film solar cells

Ram, S., Rizolli, R., Desta, D., Jeppesen, B. R., Bellettato, M., Samatov, I., Tsao, Y-C., Johannsen, S. R., Neuvonen, P. T., Pedersen, T. G., Marques Pereira, R. N., Pedersen, K., Balling, P. & Larsen, A. N., Aug 2015, In : Journal of Physics D: Applied Physics. 48, 36

Research output: Contribution to journalJournal articleResearchpeer-review

37 Citations (Scopus)

Dynamic Modelling Method of Electro-Thermo-Mechanical Degradation in IGBT Modules

Pedersen, K. B. & Pedersen, K., 30 Apr 2015, In : I E E E Transactions on Power Electronics. p. 975-986 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)
463 Downloads (Pure)

Electric field mapping inside metallized film capacitors

Nielsen, D. A., Popok, V. & Pedersen, K., 2015, 61st Reliability and Maintainability Symposium (RAMS), 26-29 Jan. 2015, Palm Harbor. IEEE, 6 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

File
capacitors
electric fields
microscopy
probes
failure modes
2 Citations (Scopus)
363 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)

Near-infrared tailored thermal emission from wafer-scale continuous-film resonators

Roberts, A. S., Chirumamilla, M., Thilsing-Hansen, K., Pedersen, K. & Bozhevolnyi, S., 12 Aug 2015, In : Optics Express. 23, 19

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
19 Citations (Scopus)

Observation of excitonic resonances in the second harmonic spectrum of MoS2

Trolle, M. L., Tsao, Y-C., Pedersen, K. & Pedersen, T. G., 22 Oct 2015, In : Physical Review B (Condensed Matter and Materials Physics). 92, 161409.

Research output: Contribution to journalJournal articleResearchpeer-review

11 Citations (Scopus)

Optimization of TiAlN/TiAlON/Si3N4 solar absorber coatings

An, L., Ali, S. T., Søndergaard, T., Nørgaard, J., Tsao, Y-C. & Pedersen, K., May 2015, In : Solar Energy. 118, p. 410-418

Research output: Contribution to journalJournal articleResearchpeer-review

3 Citations (Scopus)

Photoelectron spectroscopy as an in situ contact-less method for studies of MOS properties of ultrathin oxides on Si

Silva, A. G., Pedersen, K., Li, Z. S. & Morgen, P., 4 Jul 2015, In : Applied Surface Science. 353, p. 1208-1213

Research output: Contribution to journalJournal articleResearchpeer-review

4 Citations (Scopus)

Rapid fabrication and trimming of nanostructured backside reflectors for enhanced optical absorption in a -Si:H solar cells

Tsao, Y-C., Søndergaard, T., Kristensen, P. K., Rizolli, R., Pedersen, K. & Pedersen, T. G., 5 Jun 2015, In : Applied Physics A: Materials Science & Processing. 120, 2, p. 417-425 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Second-harmonic scanning microscopy of domains in Al wire bonds in IGBT modules

Simesen, P., Pedersen, K. B. & Pedersen, K., 8 Dec 2015, In : Optics Express. 23, 26, p. 33466-33471 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
7 Citations (Scopus)

Surface plasmon polariton excitation by second harmonic generation in single organic nanofibers

Simesen, P., Søndergaard, T., Skovsen, E., Fiutowski, J., Rubahn, H-G., Bozhevolnyi, S. I. & Pedersen, K., 11 Jun 2015, In : Optics Express. 23, 12

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access

Tunable local excitation of surface plasmon polaritons by sum-frequency generation in ZnO nanowires

Brincker, M., Pedersen, K. & Skovsen, E., 31 Jul 2015, In : Optics Communications. 356, p. 109-112 3 p.

Research output: Contribution to journalJournal articleResearchpeer-review

2014

Erratum: Plasmonic black gold based broadband polarizers for ultra-short laser pulses (Appl. Phys. Lett. (2013) 103 (211102))

Skovsen, E., Sondergaard, T., Lemke, C., Stær, T. H., Leissner, T., Eriksen, R. L., Beermann, J., Bauer, M., Pedersen, K. & Bozhevolnyi, S. I., 6 Jan 2014, In : Applied Physics Letters. 104, 1, 019903.

Research output: Contribution to journalComment/debateResearchpeer-review

39 Citations (Scopus)

Extremely confined gap surface-plasmon modes excited by electrons

Raza, S., Stenger, N., Pors, A., Stær, T. H., Kadkhodazadeh, S., Wagner, J. B., Pedersen, K., Wubs, M., Bozhevolnyi, S. I. & Mortensen, N. A., 18 Jun 2014, In : Nature Communications. 5, 4125.

Research output: Contribution to journalJournal articleResearchpeer-review

7 Citations (Scopus)

Interaction between O2 and ZnO films probed by time-dependent second-harmonic generation

Andersen, S. V., Vandalon, V., Bosch, R. H. E. C., van de Loo, B. W., Pedersen, K. & Kessels, W. M. M., 3 Feb 2014, In : Applied Physics Letters. 104, 5, 051602.

Research output: Contribution to journalJournal articleResearchpeer-review

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

5 Citations (Scopus)

Light trapping in guided modes of thin-film silicon-on-silver waveguides by scattering from a nanostrip

Søndergaard, T., Tsao, Y-C., Kristensen, P. K., Pedersen, T. G. & Pedersen, K., 5 Aug 2014, In : Optical Society of America. Journal B: Optical Physics. 31, 9, p. 2036-2044 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Light trapping in thin-film solar cells: the role of guided modes

Søndergaard, T., Yao-Chung, T., Pedersen, T. G. & Pedersen, K., 2014, Proceedings of SPIE: Thin Films for Solar and Energy Technology VI. Eldada, L. A. & Heben, M. J. (eds.). USA: SPIE - International Society for Optical Engineering, Vol. 9177. 10 p. 91770M. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 9177).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Plasmonic black metal polarizers for ultra-short laser pulses

Søndergaard, T., Skovsen, E., Lemke, C., Stær, T. H., Leissner, T., Eriksen, R. L., Beermann, J., Bauer, M., Pedersen, K. & Bozhevolnyi, S., 2014, Proceedings of SPIE: Plasmonics: Metallic Nanostructures and Their Optical Properties XII. Boardman, A. D. (ed.). USA: SPIE - International Society for Optical Engineering, Vol. 9163. 12 p. 916308. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 9163).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

10 Citations (Scopus)

Plasmonic black metals via radiation absorption by two-dimensional arrays of ultra-sharp convex grooves

Beermann, J., Eriksen, R. L., Stær, T. H., Pedersen, K. & Bozhevolnyi, S., 4 Nov 2014, In : Scientific Reports. 6904.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
2013
2 Citations (Scopus)

Growth direction of oblique angle electron beam deposited silicon monoxide thin films identified by optical second-harmonic generation

Andersen, S. V., Trolle, M. L. & Pedersen, K., 3 Dec 2013, In : Applied Physics Letters. 103, 23, 4 p., 231906.

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)

Interface resonances in optical second-harmonic generation from oxide-covered Ge(111) and Ge(100)

Rafaelsen, J., Kristensen, P. K. & Pedersen, K., 28 Aug 2013, In : Optical Society of America. Journal B: Optical Physics. 30, 10, p. 2758-2764

Research output: Contribution to journalJournal articleResearchpeer-review

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