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2019
1 Selvaraj, Mahalakshmi; Venkatesan, Ragavendran; J, Mayandi; Venkatachalapathy, Vishnukanthan.
Influence of tin (IV) doping on structural and optical properties of rhombohedral barium titanate (BaTiO3). Materials Today: Proceedings 2019 s. -
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2 Vanal Krishnan, Saravanan; Muthukaruppan Ambalam, Muthu Manickam; Venkatesan, Ragavendran; Arivalagan, Muthukumar; Venkatachalapathy, Vishnukanthan; J, Mayandi.
Reinforcement of alumina with carbon nano cones and characterization. Materials Today: Proceedings 2019 s. -
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3 Venkatachalapathy, Vishnukanthan; Vines, Lasse; Kuznetsov, Andrej.
Polarization-controlled interface charges for generation of open-circuit voltage higher than the band gap towards “Polarization Photovoltaics” solar cell. International Conference on Advanced Materials for Clean Energy and Health Applications; 2019-02-06 - 2019-02-08
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4 Venkatesan, Ragavendran; Mayandi, Jeyanthinath; Pearce, Joshua M.; Venkatachalapathy, Vishnukanthan.
Influence of metal assisted chemical etching time period on mesoporous structure in as-cut upgraded metallurgical grade silicon for solar cell application. Journal of materials science. Materials in electronics 2019 ;Volum 30.(9) s. 8676-8685
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2018
5 Jensen, Ingvild Julie Thue; Johansen, Klaus Magnus H; Zhan, Wei; Venkatachalapathy, Vishnukanthan; Brillson, Len; Kuznetsov, Andrej; Prytz, Øystein.
Bandgap and band edge positions in compositionally graded ZnCdO. Journal of Applied Physics 2018 ;Volum 124.(1) s. 015302-1-015302-8
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6 Ţălu, Ştefan; Kulesza, Slawomir; Bramowicz, Miroslaw; Pringle, Adam M.; Pearce, Joshua M.; Murugesan, Marikkan; Venkatachalapathy, Vishnukanthan; J, Mayandi.
Micromorphology analysis of sputtered indium tin oxide fabricated with variable ambient combinations. Materials letters (General ed.) 2018 ;Volum 220. s. 169-171
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7 Murugesan, Marikkan; A., Dinesh; J, Mayandi; Venkatachalapathy, Vishnukanthan; Pearce, Joshua M..
Properties of Al-Doped Zinc Oxide and In-Doped Zinc Oxide Bilayer Transparent Conducting Oxides for Solar Cell Applications. Materials letters (General ed.) 2018 ;Volum 222. s. 50-53
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8 Sky, Thomas Neset; Johansen, Klaus Magnus H; Venkatachalapathy, Vishnukanthan; Svensson, Bengt Gunnar; Tuomisto, Filip; Vines, Lasse.
Influence of Fermi level position on vacancy-assisted diffusion of aluminum in zinc oxide. Physical review B (PRB) 2018 ;Volum 98.(24) s. 245204-1-245204-8
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9 Tang, Aihua; Mei, Zengxia; Hou, Yao-Nan; Liu, Lishu; Venkatachalapathy, Vishnukanthan; Azarov, Alexander; Kuznetsov, Andrej; Du, Xiaolong.
GaZn-VZn acceptor complex defect in Ga-doped ZnO. Science China: Physics, Mechanics and Astronomy 2018 ;Volum 61.(7) s. 1-6
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10 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Azarov, Alexander; Vines, Lasse; Kuznetsov, Andrej.
Phase stability and strain accumulation in CdO as a function of Cd/O supply during MOVPE synthesis. Superlattices and Microstructures 2018 ;Volum 120. s. 569-577
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11 Venkatachalapathy, Vishnukanthan; Vajeeston, Ponniah; Galeckas, Augustinas; Vines, Lasse; Kuznetsov, Andrej.
Direct and indirect bandgaps of Cadmium Oxide. 10th International Workshop on Zinc Oxide and Other Oxide Semiconductors; 2018-09-11 - 2018-09-14
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12 Venkatesan, Ragavendran; Arivalagan, Muthu Kumar; Venkatachalapathy, Vishnukanthan; Pearce, Joshua M.; J, Mayandi.
Effects of silver catalyst concentration in metal assisted chemical etching of silicon. Materials letters (General ed.) 2018 ;Volum 221. s. 206-210
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13 Zhan, Wei; Granerød, Cecilie Skjold; Venkatachalapathy, Vishnukanthan; Johansen, Klaus Magnus H; Jensen, Ingvild Julie Thue; Kuznetsov, Andrej; Prytz, Øystein.
Reply to Comment on 'Nanoscale mapping of optical band gaps using monochromated electron energy loss spectroscopy'. Nanotechnology 2018 ;Volum 29.(31)
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14 Zhan, Wei; Venkatachalapathy, Vishnukanthan; Aarholt, Thomas; Kuznetsov, Andrej; Prytz, Øystein.
Band gap maps beyond the delocalization limit: correlation between optical band gaps and plasmon energies at the nanoscale. Scientific Reports 2018 ;Volum 8.(848) s. 1-7
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2017
15 Johansen, Klaus Magnus H; Sky, Thomas Neset; Frodason, Ymir Kalmann; Venkatachalapathy, Vishnukanthan; Svensson, Bengt Gunnar; Vines, Lasse.
Tailoring donor diffusion in ZnO by defects and doping. International conference on defects in semiconductors ICDS; 2017-08-31 - 2017-09-04
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16 Malik, Nishant; Venkatachalapathy, Vishnukanthan; Dall, Wilhelm; Schjølberg-Henriksen, Kari; Poppe, Erik Utne; Taklo, Maaike M. Visser; Finstad, Terje.
Texture of Al films for wafer-level thermocompression bonding. Superlattices and Microstructures 2017 ;Volum 106. s. 216-233
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17 Schifano, Ramon; Riise, Heine Nygard; Domagala, J.; Azarov, Alexander; Ratajczak, R.; Monakhov, Edouard; Venkatachalapathy, Vishnukanthan; Vines, Lasse; Chan, K. S.; Wong-Leung, J.; Svensson, Bengt Gunnar.
Comparison of the structural properties of Zn-face and O-face single crystal homoepitaxial ZnO epilayers grown by RF-magnetron sputtering. Journal of Applied Physics 2017 ;Volum 121.(1)
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18 Venkatachalapathy, Vishnukanthan; Ayedh, Hussein Mohammed Hussein; Vajeeston, Ponniah; Vines, Lasse; Monakhov, Edouard; Kuznetsov, Andrej.
Quest for Si based multi-junction solar cells covering the entire solar spectrum. International Symposium on Nanomaterials for clean energy and health applications; 2017-12-06 - 2017-12-08
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19 Venkatachalapathy, Vishnukanthan; Kuznetsov, Andrej; Vines, Lasse.
Polarization PhotoVoltaics – P2V New Concept for Solar cell. International conference on Advanced Functional Materials for Energy,Environment and Biomedical Applications 2017; 2017-12-11 - 2017-12-12
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20 Venkatachalapathy, Vishnukanthan; Vajeeston, Ponniah; Vines, Lasse; Monakhov, Edouard; Kuznetsov, Andrej.
Ion irradiation induced phase transformation in crystalline Si. 29th International Conference on Defects in Semiconductors; 2017-07-31 - 2017-08-04
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21 Zhan, Wei; Granerød, Cecilie Skjold; Venkatachalapathy, Vishnukanthan; Johansen, Klaus Magnus H; Jensen, Ingvild Julie Thue; Kuznetsov, Andrej; Prytz, Øystein.
Nanoscale mapping of optical band gaps using monochromated Electron Energy Loss Spectroscopy. Nanotechnology 2017 ;Volum 28.(10)
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2016
22 Asokan, Vijayshankar; Venkatachalapathy, Vishnukanthan; Rajavel, Krishnamoorthy; Madsen, Dorte Nørgaard.
Microwave irradiation on carbon black: Studies on the transformation of particles into nano-balls, nano-sticks and nano-onion like structures. Journal of Physics and Chemistry of Solids 2016 ;Volum 99. s. 173-181
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23 Azarov, Alexander; Venkatachalapathy, Vishnukanthan; Mei, Zengxia; Liu, Lishu; Du, Xiaolong; Galeckas, Augustinas; Monakhov, Edouard; Svensson, Bengt Gunnar; Kuznetsov, Andrej.
Self-diffusion measurements in isotopic heterostructures of undoped and in situ doped ZnO: Zinc vacancy energetics. Physical Review B. Condensed Matter and Materials Physics 2016 ;Volum 94. s. 195208-
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24 Johansen, Klaus Magnus H; Zhan, Wei; Jensen, Ingvild Julie Thue; Granerød, Cecilie Skjold; Venkatachalapathy, Vishnukanthan; Brillson, Leonard J.; Kuznetsov, Andrej; Prytz, Øystein.
Mapping of Optical band gaps using Electron Energy Loss Spectroscopy in ZnCdO-alloys. 2016 Defects in Semiconductors; 2016-08-14 - 2016-08-19
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25 Venkatachalapathy, Vishnukanthan; Bakke, Marius Mordal; Galeckas, Augustinas; Vines, Lasse; Kuznetsov, Andrej.
Investigation of polar and non-polar Zn(Mg,Cd)O-based Multiple Quantum Wells. The 9th International Workshop on Zinc Oxide and Related Materials; 2016-10-30 - 2016-11-02
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26 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Azarov, Alexander; Kuznetsov, Andrej.
Structural and optical properties of cubic Cd1-xZnxO. The 9th International Workshop on Zinc Oxide and Related Materials; 2016-10-30 - 2016-11-02
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27 Venkatachalapathy, Vishnukanthan; Vines, Lasse; Kuznetsov, Andrej.
Polarization-Control of the Potential Barrier at the ZnO/Si Hetero-junction. The 9th International Workshop on Zinc Oxide and Related Materials; 2016-10-30 - 2016-11-02
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2015
28 Azarov, Alexander; Venkatachalapathy, Vishnukanthan; Mei, Zengxia; Liu, Lishu; Du, Xiaolong; Galeckas, Augustinas; Kuznetsov, Andrej.
Zinc vacancy energetics revealed by self-diffusion in isotopic ZnO heterostructures. The 28th International Conference on Defects in Semiconductors (ICDS-2015); 2015-07-27 - 2015-07-31
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29 Gan, Jiantuo; Venkatachalapathy, Vishnukanthan; Svensson, Bengt Gunnar; Monakhov, Edouard.
Influence of target power on properties of CuxO thin films prepared by reactive radio frequency magnetron sputtering. Thin Solid Films 2015 ;Volum 594. s. 250-255
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30 Granerød, Cecilie Skjold; Zhan, Wei; Venkatachalapathy, Vishnukanthan; Kuznetsov, Andrej; Nilsen, Ola; Monakhov, Edouard; Prytz, Øystein.
Bandgap of Functional Oxides in STEM-EELS. Strategic Research Initiatives seminar; 2015-02-09 - 2015-02-10
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31 Liu, Lishu; Mei, Zengxia; Hou, Yaonan; Liang, Huili; Azarov, Alexander; Venkatachalapathy, Vishnukanthan; Kuznetsov, Andrej; Du, Xiaolong.
Fluorine doping: A feasible solution to enhancing the conductivity of high-resistance wide bandgap Mg0.52 Zn0.49O active components. Scientific Reports 2015 ;Volum 5.
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32 M, Marikannan; M, Subramanian; J, Mayandi; Tanemura, M; Venkatachalapathy, Vishnukanthan; Pearce, J.M..
Effect of ambient combinations of argon, oxygen, and hydrogen on the properties of DC magnetron sputtered indium tin oxide films. AIP Advances 2015 ;Volum 5.(1) s. -
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33 Maharajan, Marikkannan; Venkatachalapathy, Vishnukanthan; Asokan, Vijayshankar; Jeyanthinath, Mayandi; Pearce, Joshua M..
A novel synthesis of tin oxide thin films by the sol-gel process for optoelectronic applications. AIP Advances 2015 ;Volum 5:027122.(2)
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34 Malik, Nishant; Venkatachalapathy, Vishnukanthan; Poppe, Erik; Schjølberg-Henriksen, Kari; Taklo, Maaike Margrete Visser; Finstad, Terje.
Grain structure of Aluminium films for wafer-level thermocompression bonding. WaferBond; 2015-12-07 - 2015-12-09
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35 Prabhu, Muthusamy Ramesh; Mayandi, Jeyanthinath; Mariammal, Rajkumar N.; Venkatachalapathy, Vishnukanthan; Pearce, Joshua M.; Soundararajan, Neelam; Ramachandran, Krishnakumar.
Peanut shaped ZnO microstructures: Controlled synthesis and nucleation growth toward low-cost dye sensitized solar cells. Materials Research Express 2015 ;Volum 2:066202.(6)
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36 Selvaraj, Mahalakshmi; Venkatachalapathy, Vishnukanthan; Mayandi, J.; Karazhanov, Smagul; Pearce, J.M..
Preparation of meta-stable phases of barium titanate by Sol-hydrothermal method. AIP Advances 2015 ;Volum 5:117119.(11) s. 1-11
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37 Sivanantham, A; Abinaya, C; Venkatachalapathy, Vishnukanthan; Jayabal, P.; Boobalan, K.; Mohanraj, S.; Mayandi, J..
Zinc oxide formation in galvanized metallic wire by simple selective growth method. Superlattices and Microstructures 2015 ;Volum 82. s. 327-335
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38 Zhan, Wei; Venkatachalapathy, Vishnukanthan; Jensen, Ingvild Julie Thue; Granerød, Cecilie Skjold; Flage-Larsen, Espen; Johansen, Klaus Magnus H; Galeckas, Augustinas; Kuznetsov, Andrej; Prytz, Øystein.
STEM-EELS Band Gap Measurement in Zn1-XCdXO Thin Films. The 2nd Uppsala TEM spectroscopy workshop; 2015-05-18 - 2015-05-20
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2014
39 Venkatachalapathy, Vishnukanthan; Azarov, Alexander; Galeckas, Augustinas; Kuznetsov, Andrej.
Synthesis and Characterization of Highly Conductive and Optically Transparent Al-Doped Zn1-xMgxO Films. 8th International Workshop on Zinc Oxide and Related Materials (IWZnO 2014); 2014-09-07 - 2014-09-11
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40 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Azarov, Alexander; Kuznetsov, Andrej.
Investigation of Ga-Doping Effects in ZnO. 8th International Workshop on Zinc Oxide and Related Materials (IWZnO 2014); 2014-09-07 - 2014-09-11
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41 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Kuznetsov, Andrej.
Interplay of Structural and Optical properties in CdO. INTERNATIONAL CONFERENCE ON SUSTAINABLE ENERGY TECHNOLOGIES (ICSET 2014); 2014-12-11 - 2014-12-13
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42 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Kuznetsov, Andrej.
Tunneling in ZnO/ZnCdO quantum wells towards next generation photovoltaic cells. Solar Energy 2014 ;Volum 106. s. 82-87
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43 Vereshchagina, Elizaveta; Poppe, Erik; Schjølberg-Henriksen, Kari; Venkatachalapathy, Vishnukanthan; Moe, Sigurd T..
ANALYSIS OF RESIDUAL STRESS AND THERMAL HYSTERESIS IN SPUTTERED ALUMINIUM THIN FILMS. Micromechanics Europe 2014; 2014-09-01 - 2014-09-03
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2013
44 A, Sivanantham; P, Jayabal; C, Vasanthi; Venkatachalapathy, Vishnukanthan; J, Mayandi.
Novel Method of Synthesis and Device Formation of ZnO Layered Dye Sensitized Solar Cell. Invertis Journal of Renewable Energy 2013 ;Volum 3.(2) s. 74-78
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45 M, Prabhu; A, Sivanantham; P, Karthick Kannan; Venkatachalapathy, Vishnukanthan; J, Mayandi.
Preparation of DC Reactive Magnetron Sputtered ZnO Thin Film Towards Photovoltaic Applications. AIP Conference Proceedings 2013 ;Volum 1536. s. 531-532
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46 Trunk, Mareike; Galeckas, Augustinas; Venkatachalapathy, Vishnukanthan; Azarov, Alexander; Kuznetsov, Andrej.
Carrier dynamics in linearly and step graded bandgap Zn1-xCdxO structures. Applied Physics Letters 2013 ;Volum 102.(19) s. -
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47 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Kuznetsov, Andrej.
Band gap engineering in ZnO for Solar energy harvesting - Multiple Quantum Well Solar Cells. International Conference on Nanomaterials for Frontier Applications (ICNFA 2013); 2013-07-10 - 2013-07-12
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48 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Kuznetsov, Andrej.
CdO-ZnO Multiple Quantum Wells as Components for Next Generation Solar Cells. 39th IEEE Photovoltaic Specialists Conference; 2013-06-16 - 2013-06-21
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49 Venkatachalapathy, Vishnukanthan; Galeckas, Augustinas; Kuznetsov, Andrej.
Strained ZnCdO/ZnO multiple quantum well structures. Norwegian Solar Cell Conference 2013; 2013-03-13 - 2013-03-15
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2012
50 Trunk, Mareike; Gorzkowska-Sobas, Agnieszka A; Venkatachalapathy, Vishnukanthan; Zhang, Tianchong; Galeckas, Augustinas; Kuznetsov, Andrej.
Testing ZnO based photoanodes for PEC applications. Energy Procedia 2012 ;Volum 22. s. 101-107
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