14. Quantification and key factors in delamination of (Mg1-yNiy)1-xAlx(OH)2(NO3)x·mH2O. Karthikeyan, J.; Fjellvåg, H.; Vistad, Oe. B.; Knudsen, K. D.; Sjåstad, A. Olafsen Applied Clay Science (2016), 124-125, 102-110.
13. On the Thermal Stability and Structures of Layered Double Hydroxides Mg1-xAlx(OH)2(NO3)x·mH2O (0.18 ≤ x ≤ 0.38). Sjåstad, Anja Olafsen; Andersen, Niels Højmark; Vajeeston, Ponniah; Karthikeyan, Jayakumar; Arstad, Bjørnar; Karlsson, Arne; Fjellvåg, Helmer. European Journal of Inorganic Chemistry 2015 ;Volum 2015.(10) s.1775-1788.
12. MgH2 in Carbon Scaffolds: A Combined Experimental and Theoretical Investigation. Vajeeston, Ponniah; Sartori, Sabrina; Ravindran, Ponniah; Knudsen, Kenneth; Hauback, Bjørn; Fjellvåg, Helmer. The Journal of Physical Chemistry C 2012 ;Volum 116.(40) s. 21139-21147.
11. Nano-phases of NaBH4 and KBH4. Vajeeston P; Ravindran P; Fjellvåg H. Journal of nanoscience and nanotechnology (2011), 11(3), 1929-34.
10. Exfoliation and thermal transformations of Nb-substituted layered titanates. Song, Haiyan; Sjåstad, Anja Olafsen; Fjellvåg, Helmer; Okamoto, Hiroshi; Vistad, Ørnulv Bjørnsson; Arstad, Bjørnar; Norby, Poul. Journal of Solid State Chemistry 2011 ;Volum 184.(12) s.3135-3143.
9. Synthesis and Properties of Layered-Structured Mn5O8 Nanorods. Gao, Tao; Norby, Poul; Krumeich, F; Okamoto, Hiroshi; Nesper, Reinhard; Fjellvåg, Helmer. The Journal of Physical Chemistry C 2010, 114.(2) s. 922-928.
8. Microstructures, Surface Properties, and Topotactic Transitions of Manganite Nanorods. Gao, Tao; Krumeich, F; Nesper, Reinhard; Fjellvåg, Helmer; Norby, Poul. Inorganic Chemistry 2009, 48 (13), 6242-50.
7. In situ studies of structural stability and proton conductivity of titanate nanotubes. Gao, Tao; Fjeld, Harald; Fjellvåg, Helmer; Norby, Truls; Norby, Poul. Energy & Environmental Science (2009); 2(5), 517-523.
6. Nanostructures of LiBH4: a density-functional study. Vajeeston, Ponniah; Ravindran, Ponniah; Fjellvåg, Helmer. Nanotechnology (2009); 20(27) 27570.
5. Crystal Structures of Titanate Nanotubes: A Raman Scattering Study. Gao, Tao; Fjellvåg, Helmer; Norby, Poul. Inorganic Chemistry (2009), 48(4), 1423-1432.
4. Structural and morphological evolution of beta-MnO2 nanorods during hydrothermal synthesis. Gao Tao; Fjellvåg Helmer; Norby Poul. Nanotechnology (2009), 20(5), 55610.
3. Growth of nano-needles of manganese(IV) oxide by atomic layer deposition. Nilsen Ola; Foss Steinar; Kjekshus Arne; Fjellvåg Helmer. Journal of nanoscience and nanotechnology (2008), 8(2), 1003-11.
2. Microstructures and Spectroscopic Properties of Cryptomelane-type Manganese Dioxide Nanofibers. Gao, Tao; Glerup, Marianne; Krumeich, Frank; Nesper, Reinhard; Fjellvåg, Helmer; Norby, Poul. Journal of Physical Chemistry C (2008), 112(34), 13134-13140.
1. Delamination, synthesis, crystal structure and thermal properties of the layered metal-organic compound Zn(C12H14O4). Nielsen, Renie Birkedal; Kongshaug, Kjell Ove; Fjellvåg, Helmer. Journal of Materials Chemistry (2008), 18(9), 1002-100.