Blar i Institutt for energiteknikk på forfatter "Frommen, Christoph"
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Comparative phase transformation and magnetocaloric effect study of Co and Mn substitution by Cu in MnCoGe compounds
Pal, Santosh Kumar; Frommen, Christoph; Kumar, Susmit; Hauback, Bjørn; Fjellvåg, Helmer; Woodcock, T. G.; Nielsch, K; Helgesen, Geir (Journal article; Peer reviewed, 2018) -
Comparative phase transformation and magnetocaloric effect study of Co and Mn substitution by Cu in MnCoGe compounds
Pal, Santosh Kumar; Frommen, Christoph; Kumar, Susmit; Hauback, Bjørn; Fjellvåg, Helmer; Woodcock, T. G.; Nielsch, K; Helgesen, Geir (Journal article; Peer reviewed, 2019) -
A Concept for a Multipurpose Time-of-Flight Neutron Reflectometer at Compact Neutron Sources
Erhan, Raul-Victor; de Haan, Viktor-Otto; Frommen, Christoph; Knudsen, Kenneth Dahl; Llamas-Jansa, Isabel; Hauback, Bjørn Christian (Journal article, 2024)The design of a time-of-flight neutron reflectometer proposed for the new generation of compact neutron sources is presented. The reflectometer offers the possibility to use spin-polarized neutrons. The reflectometer design ... -
Crystal structure and in situ decomposition of Eu(BH4)2 and Sm(BH4)2
Humphries, Terry David; Ley, Morten B.; Frommen, Christoph; Munroe, Keelie T.; Jensen, Torben R.; Hauback, Bjørn (Journal article; Peer reviewed, 2015) -
Enhancing giant magnetocaloric effect near room temperature by inducing magnetostructural coupling in Cu-doped MnCoGe
Pal, Santosh Kumar; Frommen, Christoph; Kumar, Susmit; Hauback, Bjørn; Fjellvåg, Helmer; Helgesen, Geir (Peer reviewed; Journal article, 2020) -
Exploring V-Fe-Co-Ni-Al and V-Fe-Co-Ni-Cu high entropy alloys for magnetocaloric applications
Eggert, Bruno G. F.; Delczeg-Czirjak, Erna K.; Maccari, Fernando; Kumar, Susmit; Gutfleisch, Oliver; Fjellvåg, Helmer; Hauback, Bjørn Christian; Frommen, Christoph (Peer reviewed; Journal article, 2022) -
Hydrogen Concentration in Photovoltaic a-Si:H Annealed at Different Temperatures Measured by Neutron Reflectometry
Qviller, Atle Jorstad; Marstein, Erik Stensrud; You, Chang Chuan; Haug, Halvard; Webster, John R.P.; Hjörvarsson, Björgvin; Frommen, Christoph; Hauback, Bjørn (Journal article; Peer reviewed, 2018) -
Hydrogen Sorption in Erbium Borohydride Composite Mixtures with LiBH4 and/or LiH
Heere, Michael; GharibDoust, Seyed Hosein Payandeh; Brighi, Matteo; Frommen, Christoph; Sørby, Magnus Helgerud; Černý, Radovan; Jensen, Torben R.; Hauback, Bjørn (Journal article, 2017) -
Hydrogen storage properties of rare earth (RE) borohydrides (RE = La, Er) in composite mixtures with LiBH4 and LiH
Frommen, Christoph; Heere, Michael; Riktor, Marit Dalseth; Sørby, Magnus Helgerud; Hauback, Bjørn (Journal article; Peer reviewed, 2015) -
In situ investigations of bimetallic potassium erbium borohydride
Heere, Michael; Gharibdoust, SevedHosein Payandeh; Sørby, Magnus Helgerud; Frommen, Christoph; Jensen, Torben R.; Hauback, Bjørn (Journal article; Peer reviewed, 2017) -
Magnetic transitions in V-Fe-Co-Ni-Cu-based high entropy alloys
Fischer Eggert, Bruno Guilherme; Delczeg-Czirjak, Erna K.; Hauback, Bjørn Christian; Frommen, Christoph (Peer reviewed; Journal article, 2023)FeCoNi, V0.85FeCoNi, FeCoNiCu1.15 and V0.85FeCoNiCu1.15 alloys have been synthesized by arc melting and analyzed by powder X-ray diffraction, electron microscopy, magnetic measurements, and density functional theory (DFT). ... -
Rare Earth Borohydrides—Crystal Structures and Thermal Properties
Frommen, Christoph; Sørby, Magnus Helgerud; Heere, Michael; Humphries, Terry David; Hauback, Bjørn; Olsen, Jørn Erik (Journal article; Peer reviewed, 2017) -
Structural and spectroscopic characterization of potassium fluoroborohydrides
Heyn, Richard H; Saldan, Ivan; Sørby, Magnus Helgerud; Frommen, Christoph; Arstad, Bjørnar; Bouzga, Aud Mjærum; Fjellvåg, Helmer; Hauback, Bjørn (Journal article; Peer reviewed, 2013)Mechanochemical reactions between KBH4 and KBF4 result in the formation of potassium fluoroborohydrides K(BHxF4−x) (x = 0–4), as determined by 11B and 19F solid state NMR. The materials maintain the cubic KBH4 structure. ... -
Structural transitions and magnetocaloric properties of low-cost MnNiSi-based intermetallics
Fischer Eggert, Bruno Guilherme; Belo, J.F.H.; Araujo, J.P.; Hauback, Bjørn Christian; Frommen, Christoph (Peer reviewed; Journal article, 2023) -
Study of the magnetostructural transition in critical-element free Mn1−xNi1−xFe2xSi0.95Al0.05
Eggert, Bruno G. F.; Wang, Kun; Jafarzadeh, Sina; Bahl, Christian R.; Hauback, Bjørn Christian; Frommen, Christoph (Peer reviewed; Journal article, 2023) -
Synthesis, crystal structure, and thermal properties of the first mixed-metal and anion-substituted rare earth borohydride LiCe(BH4)3Cl
Frommen, Christoph; Sørby, Magnus Helgerud; Ravindran, Ponniah; Vajeeston, Ponniah; Fjellvåg, Helmer; Hauback, Bjørn (Journal article; Peer reviewed, 2011) -
Thermal stability of photovoltaic a-Si:H determined by neutron reflectometry
Qviller, Atle Jorstad; Dennison, A.J.C.; Haug, Halvard; You, Chang Chuan; Hasle, Ida Margrete; Østreng, Erik; Fjellvåg, Helmer; Vorobiev, A.; Hjorvarsson, B; Marstein, Erik Stensrud; Frommen, Christoph; Hauback, Bjørn (Journal article; Peer reviewed, 2014) -
X‐ray and Synchrotron FTIR Studies of Partially Decomposed Magnesium Borohydride
Dahal, Rashmi; Vitillo, Jenny G.; Åsland, Anna Cecilie; Frommen, Christoph; Deledda, Stefano; Zavorotynska, Olena (Peer reviewed; Journal article, 2022)