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1

Reconstruction of platinum–rhodium catalysts during oxidation of ammonia

Lenka Hannevold, Ola Nilsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Applied Catalysis A: General

Year:

2005

Language:

english

File:

PDF, 1.11 MB

english, 2005

2

Simulation of growth dynamics in atomic layer deposition. Part I. Amorphous films

Ola Nilsen, Ole Bjørn Karlsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Thin Solid Films

Year:

2007

Language:

english

File:

PDF, 867 KB

english, 2007

3

Simulation of growth dynamics in atomic layer deposition. Part II. Polycrystalline films from cubic crystallites

Ola Nilsen, Ole Bjørn Karlsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Thin Solid Films

Year:

2007

Language:

english

File:

PDF, 1.86 MB

english, 2007

4

Simulation of growth dynamics in atomic layer deposition. Part III. Polycrystalline films from tetragonal crystallites

Ola Nilsen, Ole Bjørn Karlsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Thin Solid Films

Year:

2007

Language:

english

File:

PDF, 1.41 MB

english, 2007

5

Use of coordinate-free numerics in elastic wave simulation

Helmer André Friis, Tor Arne Johansen, Magne Haveraaen, Hans Munthe-Kaas, Åsmund Drottning

Journal:

Applied Numerical Mathematics

Year:

2001

Language:

english

File:

PDF, 845 KB

english, 2001

6

Etching of platinum–rhodium alloys in oxygen-containing atmospheres

Lenka Hannevold, Ola Nilsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Journal of Alloys and Compounds

Year:

2005

Language:

english

File:

PDF, 846 KB

english, 2005

7

Structure and Polymorphism of M (thd) 3 ( M = Al, Cr, Mn, Fe, Co, Ga, and In)

Ahmed, Mohammed A. K., Fjellvåg, Helmer, Kjekshus, Arne, Wragg, David S.

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

2013

Language:

english

File:

PDF, 429 KB

english, 2013

8

ChemInform Abstract: Crystal Structure and MAS-NMR Study of Rehydrated UiO-7.

Helmer Fjellvaag, Duncan E. Akporiaye, Erling N. Halvorsen, Arne Karlsson, Kjell Ove Kongshaug, Karl Petter Lillerud

Journal:

Year:

2001

File:

PDF, 31 KB

2001

9

Nanocrystalline Orthoferrite GdFeO3 from a Novel Heterobimetallic Precursor.

Sanjay Mathur, Hao Shen, Nicolas Lecerf, Arne Kjekshus, Helmer Fjellvaag, Gerardo F. Goya

Journal:

Year:

2003

File:

PDF, 87 KB

2003

10

Crystal Structure and Possible Charge Ordering in One-Dimensional Ca3Co2O6

Helmer Fjellvåg, Egil Gulbrandsen, Siv Aasland, Arne Olsen, Bjørn C. Hauback

Journal:

Journal of Solid State Chemistry

Year:

1996

Language:

english

File:

PDF, 318 KB

english, 1996

11

Magnetic properties of transition metal substituted MnP

Helmer Fjellvåg, Arne Kjekshus, Andrzej Ziȩba, Simon Foner

Journal:

Journal of Physics and Chemistry of Solids

Year:

1984

Language:

english

File:

PDF, 1010 KB

english, 1984

12

Structural and magnetic properties of Mn1−tTitAs

Andrzej Ziȩba, Helmer Fjellvåg, Arne Kjekshus

Journal:

Journal of Physics and Chemistry of Solids

Year:

1985

Language:

english

File:

PDF, 1.26 MB

english, 1985

13

Magnetic and structural properties of Cr1−tTitAs

Helmer Fjellva˚g, Arne Kjekshus

Journal:

Journal of Solid State Chemistry

Year:

1985

Language:

english

File:

PDF, 981 KB

english, 1985

14

Structural and magnetic properties of MnAs0.90P0.10

Helmer Fjellvåg, Arne Kjekshus, Svein Stølen

Journal:

Journal of Solid State Chemistry

Year:

1986

Language:

english

File:

PDF, 739 KB

english, 1986

15

Heat capacity of MnAs0.88P0.12 from 10 to 500 K: Thermodynamic properties and transitions

Abdul K. Labban, Edgar F. Westrum Jr., Helmer Fjellvåg, Fredrik Grønvold, Arne Kjekshus, Svein Stølen

Journal:

Journal of Solid State Chemistry

Year:

1987

Language:

english

File:

PDF, 1001 KB

english, 1987

16

On the MnP ⇌ NiAs-type transition in Mn0.63Cr0.37As: Structural and thermodynamic properties

Helmer Fjellvåg, Fredrik Grønvold, Arne Kjekshus, Svein Stølen

Journal:

Journal of Solid State Chemistry

Year:

1988

Language:

english

File:

PDF, 649 KB

english, 1988

17

ZrTe5 and HfTe5: The heat capacity and derived thermophysical properties from 6 to 350 K

Roey Shaviv, Edgar F. Westrum Jr., Helmer Fjellvåg, Arne Kjekshus

Journal:

Journal of Solid State Chemistry

Year:

1989

Language:

english

File:

PDF, 672 KB

english, 1989

18

Electron microscopy study of some Ni-S phases

Vidar Hansen, Helene Seim, Helmer Fjellvåg, Arne Olsen

Journal:

Micron and Microscopica Acta

Year:

1992

Language:

english

File:

PDF, 181 KB

english, 1992

19

Is mutual separation of rare earth elements crucial for preparation of high Tc materials?

Helmer Fjellva˚g, Pavel Karen, Arne Kjekshus, Stig Lyng, Orvar Braaten

Journal:

Physica C: Superconductivity

Year:

1988

Language:

english

File:

PDF, 322 KB

english, 1988

20

Surface reconstruction on noble-metal catalysts during oxidation of ammonia

Lenka Hannevold, Ola Nilsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Applied Catalysis A: General

Year:

2005

Language:

english

File:

PDF, 671 KB

english, 2005

21

Chemical vapor transport of platinum and rhodium with oxygen as transport agent

Lenka Hannevold, Ola Nilsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Journal of Crystal Growth

Year:

2005

Language:

english

File:

PDF, 241 KB

english, 2005

22

Simulation of growth dynamics for nearly epitaxial films

Ola Nilsen, Ole Bjørn Karlsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Journal of Crystal Growth

Year:

2007

Language:

english

File:

PDF, 1.33 MB

english, 2007

23

Synthesis, structure, and properties of chromium(III) sulfates

Tom David Atkinson, Helmer Fjellvåg, Arne Kjekshus

Journal:

Journal of Solid State Chemistry

Year:

2004

Language:

english

File:

PDF, 301 KB

english, 2004

24

Structure and magnetism of rare-earth-substituted Ca3Co2O6

Charles H. Hervoches, Helmer Fjellvåg, Arne Kjekshus, Vivian Miksch Fredenborg, Bjørn C. Hauback

Journal:

Journal of Solid State Chemistry

Year:

2007

Language:

english

File:

PDF, 783 KB

english, 2007

25

Crystal structure and magnetic properties of the solid-solution phase Ca3Co2−vScvO6

Charles H. Hervoches, Vivian Miksch Fredenborg, Arne Kjekshus, Helmer Fjellvåg, Bjørn C. Hauback

Journal:

Journal of Solid State Chemistry

Year:

2007

Language:

english

File:

PDF, 776 KB

english, 2007

26

Generators of matrix algebras in dimension 2 and 3

Helmer Aslaksen, Arne B. Sletsjøe

Journal:

Linear Algebra and its Applications

Year:

2009

Language:

english

File:

PDF, 104 KB

english, 2009

27

Structural aspects of Pr1−xSrxFeO3−w

Marit Stange, Johan Lindén, Arne Kjekshus, Norman Binsted, Mark T. Weller, Bjørn C. Hauback, Helmer Fjellvåg

Journal:

Journal of Solid State Chemistry

Year:

2003

Language:

english

File:

PDF, 430 KB

english, 2003

28

Reconstruction and loss of platinum catalyst during oxidation of ammonia

Ola Nilsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Applied Catalysis A: General

Year:

2001

Language:

english

File:

PDF, 629 KB

english, 2001

29

Properties of LaCo1−tCrtO3 III. Catalytic activity for CO oxidation

Bente Gilbu Tilset, Helmer Fjellvåg, Arne Kjekshus, Åse Slagtern, Ivar Dahl

Journal:

Applied Catalysis A: General

Year:

1996

Language:

english

File:

PDF, 937 KB

english, 1996

30

Syntheses, Structures, and Polymorphism of β-Diketonato Complexes – Co(thd)3

M. A. K. Ahmed, Helmer Fjellvåg, Arne Kjekshus, Pascal D. C. Dietzel

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

2008

Language:

english

File:

PDF, 564 KB

english, 2008

31

Syntheses, Crystal Structures, and Thermal Stabilities of Polymorphs of Cr(thd)3

Mohammed A. K. Ahmed, Helmer Fjellvåg, Prof. Dr. Arne Kjekshus, Renie K. Birkedal, Poul Norby, David S. Wragg, Nalinava Sen Gupta

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

2010

Language:

english

File:

PDF, 1.40 MB

english, 2010

32

Synthesis and Crystal Structure of [Cr(thd)2(OEt)]2

Mohammed A. K. Ahmed, Helmer Fjellvåg, Prof. Dr. Arne Kjekshus, David S. Wragg, Nalinava Sen Gupta

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

2011

Language:

english

File:

PDF, 358 KB

english, 2011

33

The Mixed-Valence, Mixed-Ligand Complex Co3(thd)3(EtO)4(tert-BuCOO)

Mohammed A. K. Ahmed, Helmer Fjellvåg, Prof. Arne Kjekshus, Pascal D. C. Dietzel, David S. Wragg

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

2011

Language:

english

File:

PDF, 560 KB

english, 2011

34

Structural properties of VP1−xAsx; 0.00≦x≦1.00

Helmer Fjellvåg, Arne Kjekshus

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1986

Language:

english

File:

PDF, 416 KB

english, 1986

35

Superconducting properties in relation to chemical pressure in YBa2Cu3O9-δ

Helmer Fjellvåg, Pavel Karen, Arne Kjekshus, Arne F. Andresen

Journal:

Physica C: Superconductivity

Year:

1989

Language:

english

File:

PDF, 179 KB

english, 1989

36

Effect of α-Fe2O3 surface coating on reconstruction of platinum–rhodium catalysts during oxidation of ammonia

Lenka Hannevold, Ola Nilsen, Arne Kjekshus, Helmer Fjellvåg

Journal:

Applied Catalysis A: General

Year:

2005

Language:

english

File:

PDF, 978 KB

english, 2005

37

Low-temperature structural distortion in CuS

Fjellvåg, Helmer, Grønvold, Fredrik, Stølen, Svein, Andresen, Arne F., Müller-Käfer, Reinhold, Simon, Arndt

Journal:

Zeitschrift für Kristallographie

Year:

1988

Language:

english

File:

PDF, 860 KB

english, 1988

38

Determinants of the extent of compound use: A contrastive analysis

Berg, Thomas, Helmer, Sabine, Neubauer, Marion, Lohmann, Arne

Journal:

Year:

2012

Language:

english

File:

PDF, 746 KB

english, 2012

39

SAPO-34 methanol-to-olefin catalysts under working conditions: A combined in situ powder X-ray diffraction, mass spectrometry and Raman study

David S. Wragg, Rune E. Johnsen, Murugan Balasundaram, Poul Norby, Helmer Fjellvåg, Arne Grønvold, Terje Fuglerud, Jasmina Hafizovic, Ørnulv B. Vistad, Duncan Akporiaye

Journal:

Journal of Catalysis

Year:

2009

Language:

english

File:

PDF, 1.13 MB

english, 2009

40

Crystal structure and MAS-NMR study of rehydrated UiO-7

Helmer Fjellvå g, Duncan E. Akporiaye, Erling N. Halvorsen, Arne Karlsson, Kjell Ove Kongshaug, Karl Petter Lillerud

Journal:

Solid State Sciences

Year:

2001

Language:

english

File:

PDF, 510 KB

english, 2001

41

Combined XRD and Raman studies of coke types found in SAPO-34 after methanol and propene conversion

Wragg, David S., Grønvold, Arne, Voronov, Alexey, Norby, Poul, Fjellvåg, Helmer

Journal:

Microporous and Mesoporous Materials

Year:

2013

Language:

english

File:

PDF, 1.05 MB

english, 2013

42

Synthesis and characterization of molybdenum(VI) oxide sulfates and crystal structures of two polymorphs of MoO2(SO4)

Christiansen, Alexander F., Fjellvåg, Helmer, Kjekshus, Arne, Klewe, Bernt

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

2001

Language:

english

File:

PDF, 973 KB

english, 2001

43

Synthesis, structure and thermal stability of tellurium oxides and oxide sulfate formed from reactions in refluxing sulfuric acid †

Ahmed, Mohammad A. K., Fjellvåg, Helmer, Kjekshus, Arne

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

2000

Language:

english

File:

PDF, 218 KB

english, 2000

44

Thin film deposition of lanthanum manganite perovskite by the ALE process

Nilsen, Ola, Peussa, Marko, Fjellvåg, Helmer, Niinistö, Lauri, Kjekshus, Arne

Journal:

Journal of Materials Chemistry

Year:

1999

Language:

english

File:

PDF, 119 KB

english, 1999

45

Synthesis of epitaxial BiFeO[sub 3] films by chemical solution deposition on Pt(100)

Tyholdt, Frode, Fjellvåg, Helmer, Gunnæs, Anette Eleonora, Olsen, Arne

Journal:

Journal of Applied Physics

Year:

2007

Language:

english

File:

PDF, 987 KB

english, 2007

46

Low-temperature structural distortion in CuS

Fjellvâg, Helmer, Grenvøld, Fredrik, Stølen, Svein, Andresen, Arne F., Müller-Käfer, Reinhold, Simon, Arndt

Journal:

Zeitschrift für Kristallographie - Crystalline Materials

Year:

1988

Language:

english

File:

PDF, 556 KB

english, 1988

47

[IEEE 2009 International Conference on Advanced Information Networking and Applications Workshops (WAINA) - Bradford, United Kingdom (2009.05.26-2009.05.29)] 2009 International Conference on Advanced Information Networking and Applications Workshops - A Service Oriented Platform for Health Services and Ambient Assisted Living

Hein, Andreas, Eichelberg, Marco, Nee, Oliver, Schulz, Arne, Helmer, Axel, Lipprandt, Myriam

Year:

2009

Language:

english

File:

PDF, 394 KB

english, 2009

48

Structural changes in SAPO-34 due to hydrothermal treatment. A NMR, XRD, and DRIFTS study

Arstad, Bjørnar, Lind, Anna, Cavka, Jasmina H., Thorshaug, Knut, Akporiaye, Duncan, Wragg, David, Fjellvåg, Helmer, Grønvold, Arne, Fuglerud, Terje

Journal:

Microporous and Mesoporous Materials

Year:

2016

Language:

english

File:

PDF, 4.60 MB

english, 2016

49

On the Thermal Stability and Structures of Layered Double Hydroxides Mg 1- x Al x (OH) 2 (NO 3 ) x · m H 2 O (0.18 ≤ x ≤ 0.38)

Sjåstad, Anja Olafsen, Andersen, Niels Højmark, Vajeeston, Ponniah, Karthikeyan, Jayakumar, Arstad, Bjørnar, Karlsson, Arne, Fjellvåg, Helmer

Journal:

European Journal of Inorganic Chemistry

Year:

2015

Language:

english

File:

PDF, 11.83 MB

english, 2015

50

Genetic variants at the ITPA locus protect against ribavirin-induced hemolytic anemia and dose reduction in an HCV G2/G3 cohort

Eskesen, Arne Nørgaard, Melum, Espen, Moghaddam, Amir, Bjøro, Kristian, Verbaan, Hans, Ring-Larsen, Helmer, Dalgard, Olav

Journal:

European Journal of Gastroenterology & Hepatology

Year:

2012

Language:

english

File:

PDF, 402 KB

english, 2012