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2019
1 Bianchini, Federico; Fjellvåg, Helmer; Vajeeston, Ponniah.
Nonhexagonal Na Sublattice Reconstruction in the Super-Ionic Conductor Na2Zn2TeO6: Insights from Ab Initio Molecular Dynamics. Journal of Physical Chemistry C 2019 ;Volum 123.(8) s. 4654-4663
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2 Bratvold, Jon E..
Towards a Model System for Lamellar Magnetism by Atomic Layer Deposition. Oslo: University of Oslo, Faculty of Mathematics and Natural Sciences, Department of Chemistry 2019 ;Volum 2019.Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(2093)
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3 Bratvold, Jon E.; Sønsteby, Henrik Hovde; Nilsen, Ola; Fjellvåg, Helmer.
Control of growth orientation in as-deposited epitaxial iron-rich nickel ferrite spinel. Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films 2019 ;Volum 37.(2) s. 1-7
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4 Bundli, Silje; Dhak, Prasanta; Jensen, Martin; Gunnæs, Anette Eleonora; Nguyen, Phuong Dan; Fjellvåg, Helmer; Sjåstad, Anja Olafsen.
Controlled alloying of Pt-Rh nanoparticles by the polyol approach. Journal of Alloys and Compounds 2019 ;Volum 779. s. 879-885
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5 Hval, Halvor Høen; Ruud, Amund; Forseth, Sissel; Emerich, Hermann; Nilsen, Ola; Fjellvåg, Helmer.
Operando investigation of batteries. Senter for materialvitenskap og nanoteknologi (SMN) Winter Meeting; 2019-01-13 - 2019-01-15
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6 Hval, Halvor Høen; Tripathi, Alok Mani; Fjellvåg, Helmer.
High Energy Density Electrodes for Lithium-ion Batteries and Operando Studies. MoZEES Annual Meeting; 2019-04-24 - 2019-04-25
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7 Hval, Halvor Høen; Tripathi, Alok Mani; Ruud, Amund; Emerich, Hermann; Forseth, Sissel; Nilsen, Ola; Fjellvåg, Helmer.
Make Batteries Safe Again. Energiforskningskonferansen 2019; 2019-05-21 - 2019-05-21
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8 Kiruthika, S.; Fjellvåg, Helmer; Ravindran, P..
Amphoteric behavior of hydrogen (H+1 and H-1) in complex hydrides from van der Waals interaction-including ab initio calculations. Journal of Materials Chemistry A 2019 ;Volum 7.(11) s. 6228-6240
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9 Kumar, Susmit; Fjellvåg, Øystein; Sjåstad, Anja Olafsen; Fjellvåg, Helmer.
Physical properties of Ruddlesden-Popper (n = 3) nickelate: La4Ni3O10. Journal of Magnetism and Magnetic Materials 2019 ;Volum 496.
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10 Kumar, Susmit; Waller, David; Fjellvåg, Helmer; Sjåstad, Anja Olafsen.
Development of custom made bimetallic alloy model systems based on platinum-rhodium for heterogeneous catalysis. Journal of Alloys and Compounds 2019 ;Volum 786. s. 1021-1029
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11 Lundvall, Fredrik; Kalantzopoulos, Georgios N.; Wragg, David; Arstad, Bjørnar; Blom, Richard; Sjåstad, Anja Olafsen; Fjellvåg, Helmer.
Characterization and evaluation of synthetic Dawsonites as CO2 sorbents. Fuel 2019 ;Volum 236. s. 747-754
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12 Pal, Santosh Kumar; Frommen, Christoph; Kumar, Susmit; Hauback, Bjørn; Fjellvåg, Helmer; Woodcock, T. G.; Nielsch, K; Helgesen, Geir.
Comparative phase transformation and magnetocaloric effect study of Co and Mn substitution by Cu in MnCoGe compounds. Journal of Alloys and Compounds 2019 ;Volum 775. s. 22-29
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13 Vajeeston, Ponniah; Bianchini, Federico; Fjellvåg, Helmer.
First-Principles Study of the Structural Stability and Dynamic Properties of Li2MSiO4 (M = Mn, Co, Ni) Polymorphs. Energies 2019 ;Volum 12.(224) s. 1-24
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14 Vajeeston, Ponniah; Federico, F; Fjellvåg, Helmer.
First-principles study of structural stability, dynamical and mechanical properties of Li2MSiO4 (M = Mn, Co, and Ni) polymorphs. Energies 2019 ;Volum 12. s. 224-
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15 Varunaa, R; Fjellvåg, Helmer; Ravindran, Ponniah.
Zinc substituted MgH2 - a potential material for hydrogen storage applications. International journal of hydrogen energy 2019 ;Volum 44.(26) s. 13632-13646
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2018
16 Bakke, Ingrid Marie Bergh.
Struktur og magnetiske egenskaper til de perovskittliknende oksidene ACo0,5B0,5O3 (A = Y, La, Nd; B = Ti, Fe, Ni). Oslo: Kjemisk institutt, Universitetet i Oslo 2018 203 s.
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17 Bianchini, Federico; Fjellvåg, Helmer; Vajeeston, Ponniah.
A first principle comparative study of the ionic diffusivity in LiAlO2 and NaAlO2 polymorphs for solid-state battery applications. Physical Chemistry, Chemical Physics - PCCP 2018 ;Volum 20.(15) s. 9824-9832
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18 Bianchini, Federico; Fjellvåg, Helmer; Vajeeston, Ponniah.
A first-principles investigation of the Li difusion mechanism in the super-ionic conductor lithium orthothioborate Li3BS3 structure. Materials letters (General ed.) 2018 ;Volum 219. s. 186-189
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19 Bianchini, Federico; Fjellvåg, Helmer; Vajeeston, Ponniah.
A first-principle study of NaMPO4(M = Mn, Fe, Co, Ni) possible novelstructures as cathode materials for sodium-ion batteries: Structural andelectrochemical characterisation. Materials Chemistry and Physics 2018 ;Volum 219. s. 212-221
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20 El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Mæhlen, Jan Petter; Vullum, Per Erik; Fjellvåg, Helmer; Hauback, Bjørn.
Reversibility of metal-hydride anodes in all-solid-state lithium secondary battery operating at room temperature. Solid State Ionics 2018 ;Volum 317. s. 263-267
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21 El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Vullum, Per Erik; Mæhlen, Jan Petter; Fjellvåg, Helmer; Hauback, Bjørn.
Understanding Capacity Fading of MgH2 Conversion-Type Anodes via Structural Morphology Changes and Electrochemical Impedance. Journal of Physical Chemistry C 2018 ;Volum 122.(16) s. 8750-8759
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22 El-Kharbachi, Abdelouahab; Hu, Yang; Yoshida, Koji; Vajeeston, Ponniah; Kim, Sangryun; Sørby, Magnus Helgerud; Orimo, Shin-Ichi; Fjellvåg, Helmer; Hauback, Bjørn.
Lithium ionic conduction in composites of Li(BH4)0.75I0.25 and amorphous 0.75Li2S·0.25P2S5 for battery applications. Electrochimica Acta 2018 ;Volum 278. s. 332-339
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23 El-Kharbachi, Abdelouahab; Høgset, A.; Kim, Sangryun; Vajeeston, Ponniah; Sørby, Magnus Helgerud; Fjellvåg, Helmer; Orimo, Shin-ichi; Hauback, Bjørn.
Structural and Electrochemical Study of Mixtures of Halogenated-LiBH4 and Amorphous 0.75Li2S·0.25P2S5 for Li- Conducting Solid Electrolytes. E-MRS Spring meeting 2018; 2018-06-18 - 2018-06-21
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24 El-Kharbachi, Abdelouahab; Uesato, Hiroki; Kawai, Hironori; Wenner, Sigurd; Miyaoka, Hiroki; Sørby, Magnus Helgerud; Fjellvåg, Helmer; Ichikawa, Takayuki; Hauback, Bjørn.
MgH2–CoO: a conversion-type composite electrode for LiBH4-based all-solid-state lithium ion batteries. RSC Advances 2018 ;Volum 8.(41) s. 23468-23474
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25 Hval, Halvor Høen; Ruud, Amund; Forseth, Sissel; Emerich, Hermann; Nilsen, Ola; Fjellvåg, Helmer.
Operando investigation of batteries. DANSCATT & MAX4ESSFUN Summer School; 2018-06-25 - 2018-06-30
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26 Hval, Halvor Høen; Ruud, Amund; Forseth, Sissel; Emerich, Hermann; Nilsen, Ola; Fjellvåg, Helmer.
Operando investigation of batteries. International Nanoscience Student Conference (INASCON); 2018-08-07 - 2018-08-10
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27 Kalantzopoulos, Georgios N.; Lundvall, Fredrik; Checchia, Stefano; Lind, Anna Maria; Wragg, David; Fjellvåg, Helmer; Arstad, Bjørnar.
In Situ Flow MAS NMR Spectroscopy and Synchrotron PDF Analyses of the Local Response of the Brønsted Acidic Site in SAPO-34 during Hydration at Elevated Temperatures. ChemPhysChem 2018 ;Volum 19.(4) s. 519-528
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28 Kalantzopoulos, Georgios N.; Lundvall, Fredrik; Nyborg Broge, Nils Lau; Søndergaard-Pedersen, Frederik M; Lind, Anna Maria; Arstad, Bjørnar; Wragg, David; Brummerstedt-Iversen, Bo; Fjellvåg, Helmer.
Real-Time Evolution of SAPO Catalysts' Local Coordination during Hydrothermal Treatment. MAX4ESSFUN Interreg Final Meeting; 2018-03-12 - 2018-03-13
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29 Liu, Xin.
Defect, Stability and Transport in Oxyhydrides. Oslo: Universitetet i Oslo 2018 Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(1980)
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30 Ruud, Amund; Sottmann, Jonas; Vajeeston, Ponniah; Fjellvåg, Helmer.
Operando Investigations of Lithiation and Delithiation Processes in the BiVO4 Anode Material. Physical Chemistry, Chemical Physics - PCCP 2018 ;Volum 47. s. 29798-29803
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31 Slawinski, Wojciech Andrzej; Zacharaki, Eirini; Fjellvåg, Helmer; Sjåstad, Anja Olafsen.
Structural Arrangement in Close-Packed Cobalt Polytypes. Crystal Growth & Design 2018 ;Volum 18.(4) s. 2316-2325
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32 Sønsteby, Henrik Hovde; Aarholt, Thomas; Prytz, Øystein; Fjellvåg, Helmer; Nilsen, Ola.
First Complex Oxide Superconductor by Atomic Layer Deposition. Chemical Communications 2018 ;Volum 54.(59) s. 8253-8256
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33 Sønsteby, Henrik Hovde; Bratvold, Jon E.; Weibye, Kristian; Fjellvåg, Helmer; Nilsen, Ola.
Phase Control in Thin Films of Layered Cuprates. Chemistry of Materials 2018 ;Volum 30.(3) s. 1095-1101
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34 Vajeeston, Ponniah; Fjellvåg, Helmer; Nilsen, Ola.
Search for potential precursors for Si-atomic layer deposition- a quantum chemical study. Materials letters (General ed.) 2018 ;Volum 216. s. 189-192
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35 Wragg, David; Ruud, Amund; Sottmann, Jonas; Vajeeston, Ponniah; Fjellvåg, Helmer; Fjellvåg, Øystein; Vaughan, Gavin B M; Di Michel, Marco.
New Anodes for Sodium and Lithium Ion Batteries. Time Work and Function 2018; 2018-06-13 - 2018-06-15
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36 Wragg, David; Sottmann, Jonas; Ruud, Amund; Fjellvåg, Helmer; Fjellvåg, Øystein; Vajeeston, Ponniah; Vaughan, Gavin; lebedev, Oleg; Di Michel, Marco.
Operando X-ray Diffraction Studies of Battery Materials. European Powder Diffraction Conference; 2018-07-01 - 2018-07-04
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37 Zacharaki, Eirini.
Synthesis and Characterization of Colloidal Co, Co-Re and Ni Nanoparticles for Catalysis. Oslo: Universitetet i Oslo 2018 Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(1982)
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38 Zheng, Jian; Ivashenko, Oleksii; Fjellvåg, Helmer; Groot, Irene M. N.; Sjåstad, Anja Olafsen.
Roadmap for Modeling RhPt/Pt(111) Catalytic Surfaces. Journal of Physical Chemistry C 2018 ;Volum 122.(46) s. 26430-26437
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2017
39 Ahnfeldt, Tim; Enssle, Marc Christoph; Carrion-Ramirez, Maria del Prado; Fjellvåg, Helmer; Dietzel, Pascal D.C..
Effect of ligand substitution on breathing mode of MOFs with MIL-53 type crystal structure. 6th National Meeting on Inorganic and Materials Chemistry; 2017-05-02 - 2017-05-03
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40 Arstad, Bjørnar; Blom, Richard; Håkonsen, Silje Fosse; Pierchala, Joanna; Lundvall, Fredrik; Kalantzopoulos, Georgios N.; Fjellvåg, Helmer; Sjåstad, Anja Olafsen.
Preparation and evaluation of new sorbent materials for the Sorption Enhanced Water-Gas Shift (SEWGS) reaction. TCCS-9; 2017-06-12 - 2017-06-14
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41 Bernal, Fabian Leonardo Martinez.
Ternary Iron (II) and Chromium (II) Fluoroperovskites - A Class of Complex Solids. : Universitetet i Oslo 2017 159 s. Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo.(1898)
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42 Bianchini, Federico; Fjellvåg, Helmer; Vajeeston, Ponniah.
First-principles study of the structural stability and electrochemical properties of Na2MSiO4 (M = Mn, Fe, Co and Ni) polymorphs. Physical Chemistry, Chemical Physics - PCCP 2017 ;Volum 19.(22) s. 14462-14470
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43 El-Kharbachi, Abdelouahab; Hu, Yang; Mæhlen, Jan Petter; Sørby, Magnus Helgerud; Fjellvåg, Helmer; Hauback, Bjørn.
Hydride Materials in All-Solid Li-Ion Cell Configuration. 6th National Meeting Inorganic Materials; 2017-05-02 - 2017-05-03
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44 El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Mæhlen, Jan Petter; Fjellvåg, Helmer; Hauback, Bjørn.
Contribution of hydride materials to Li-ion battery technology. 9th KIFEE Meeting; 2017-03-07 - 2017-03-10
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45 El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Vullum, Per Erik; Mæhlen, Jan Petter; Fjellvåg, Helmer; Hauback, Bjørn.
Mechanistic Properties of MgH2–Based Anode As Derived from Structural Morphology Changes Versus Electrochemical Impedance in a Li-Ion Cell. 232nd ECS meeting; 2017-10-01 - 2017-10-05
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46 El-Kharbachi, Abdelouahab; Hu, Yang; Yoshida, Koji; Sørby, Magnus Helgerud; Fjellvåg, Helmer; Orimo, Shin-Ichi; Hauback, Bjørn.
Ionic Properties of the Li(BH4)0.75I0.25 - 0.75Li2S·0.25P2S5 Mixed System for Near Room-Temperature All-Solid Li-Ion Batteries. E-MRS spring meeting; 2017-05-22 - 2017-05-26
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47 El-Kharbachi, Abdelouahab; Hu, Yang; Yoshida, Koji; Sørby, Magnus Helgerud; Ichikawa, Takayuki; Fjellvåg, Helmer; Orimo, Shin-Ichi; Hauback, Bjørn.
Hydride materials in all-solid Li-ion cell configuration for room and high temperature applications. E-MRS fall meeting; 2017-09-18 - 2017-09-21
IFE UiO Untitled
 
48 El-Kharbachi, Abdelouahab; Uesato, Hiroki; Yamaguchi, S; Sørby, Magnus Helgerud; Miyaoka, H; Ichikawa, Takayuki; Fjellvåg, Helmer; Hauback, Bjørn.
Metal Hydride–Oxide Paired Anode for All-Solid Li-Ion Batteries. 232nd ECS meeting; 2017-10-01 - 2017-10-05
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49 Fjellvåg, Helmer.
Batterier innen transportsektoren - perspektiver. Fagmøte; 2017-01-01 - 2017-12-31
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50 Fjellvåg, Helmer.
Battery research at the University of Oslo. Samarbeidsmøte; 2017-03-17 - 2017-03-17
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