What is he best known for?
The fields of study he is best known for:
- Organic chemistry
- Oxygen
- Hydrogen
His primary areas of study are Crystallography, Inorganic chemistry, Crystal structure, Analytical chemistry and Condensed matter physics.
His studies deal with areas such as X-ray crystallography, Raman scattering and Metal as well as Crystallography.
Helmer Fjellvåg has researched Inorganic chemistry in several fields, including Lanthanum oxide, Perovskite, Oxygen, Metal-organic framework and Carbon dioxide.
Helmer Fjellvåg does research in Crystal structure, focusing on Neutron diffraction specifically.
The various areas that Helmer Fjellvåg examines in his Analytical chemistry study include Rietveld refinement, Thin film, Atomic layer deposition, X-ray and Tetragonal crystal system.
The Magnetic susceptibility study combines topics in areas such as Orthorhombic crystal system, Magnetic structure and Paramagnetism.
His most cited work include:
- Hydrogen adsorption in a nickel based coordination polymer with open metal sites in the cylindrical cavities of the desolvated framework (500 citations)
- Theoretical investigation of magnetoelectric behavior in Bi Fe O 3 (476 citations)
- An In Situ High‐Temperature Single‐Crystal Investigation of a Dehydrated Metal–Organic Framework Compound and Field‐Induced Magnetization of One‐Dimensional Metal–Oxygen Chains (427 citations)
What are the main themes of his work throughout his whole career to date?
Helmer Fjellvåg mainly investigates Crystallography, Crystal structure, Inorganic chemistry, Neutron diffraction and Condensed matter physics.
His work in Crystallography addresses issues such as X-ray crystallography, which are connected to fields such as Inorganic compound and Analytical chemistry.
His Crystal structure study incorporates themes from Space group, Phase and Powder diffraction.
His biological study spans a wide range of topics, including Oxide, Thin film, Atomic layer deposition, Catalysis and Oxygen.
The concepts of his Neutron diffraction study are interwoven with issues in Solid solution, Nuclear chemistry, Intermetallic, Magnetic structure and Antiferromagnetism.
His Condensed matter physics research is multidisciplinary, incorporating elements of Magnetization and Ground state.
He most often published in these fields:
- Crystallography (38.18%)
- Crystal structure (27.51%)
- Inorganic chemistry (20.25%)
What were the highlights of his more recent work (between 2014-2021)?
- Thin film (14.06%)
- Atomic layer deposition (14.06%)
- Crystallography (38.18%)
In recent papers he was focusing on the following fields of study:
Helmer Fjellvåg spends much of his time researching Thin film, Atomic layer deposition, Crystallography, Condensed matter physics and Analytical chemistry.
Piezoelectricity is closely connected to Optoelectronics in his research, which is encompassed under the umbrella topic of Thin film.
His research in Crystallography intersects with topics in Stacking and Thermal stability.
Helmer Fjellvåg combines subjects such as Colossal magnetoresistance, Magnetic structure, Néel temperature and Density functional theory with his study of Condensed matter physics.
His Analytical chemistry research is multidisciplinary, incorporating perspectives in Amorphous solid, Ellipsometry, Anode and Diffraction.
His Crystal structure study combines topics from a wide range of disciplines, such as Jahn–Teller effect, Oxide and Aluminium.
Between 2014 and 2021, his most popular works were:
- How Crystallite Size Controls the Reaction Path in Nonaqueous Metal Ion Batteries: The Example of Sodium Bismuth Alloying (60 citations)
- Functional Perovskites by Atomic Layer Deposition – An Overview (32 citations)
- Hydrogen storage properties of γ–Mg(BH4)2 modified by MoO3 and TiO2 (28 citations)
In his most recent research, the most cited papers focused on:
- Organic chemistry
- Oxygen
- Hydrogen
Helmer Fjellvåg mostly deals with Analytical chemistry, Anode, Crystallography, Electrochemistry and Atomic layer deposition.
His Analytical chemistry research includes elements of Silicon, Amorphous solid, Spinel, Diffraction and XANES.
He interconnects X-ray crystallography, Bismuth, Metal and Sodium in the investigation of issues within Anode.
His specific area of interest is Crystallography, where Helmer Fjellvåg studies Crystal structure.
His Electrochemistry study also includes fields such as
- Electrolyte and related Lithium and Borohydride,
- Ionic conductivity, which have a strong connection to Formula unit, Impurity and Doping.
His Atomic layer deposition research incorporates elements of Carbon film, Deposition and Conductivity.
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