Helge Bøvik Larsen

Stian Penev Ramsnes; Helge Bøvik Larsen; Gunnar Thorkildsen (2020) MaXrd updated with emphasis on model construction and reciprocal-space simulations. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 53. s.1620-1624. DOI: 10.1107/S160057672001328X

Stian Penev Ramsnes; Helge Bøvik Larsen; Gunnar Thorkildsen (2019) Using Mathematica as a platform for crystallographic computing. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 52. s.214-218. DOI: 10.1107/S1600576718018071

Qiuyuan Zhang; Maxim Polikarpov; Klimova Nataliya; Helge Bøvik Larsen; Ragnvald Mathiesen; Hermann Emerich; Gunnar Thorkildsen; Irina Snigireva; Anatoly Snigirev (2019) Investigation of glitches induced by single-crystal diamond compound refractive lenses based on crystal orientation. I: AIP Conference Proceedings. ISSN 0094-243X. Volum 2054. s.1-6. DOI: 10.1063/1.5084638

Qiuyuan Zhang; Maxim Polikarpov; Nataliya Klimova; Helge Bøvik Larsen; Ragnvald Mathiesen; Hermann Emerich; Gunnar Thorkildsen; Irina Snigireva; Anatoly Snigirev (2018) Investigation of `glitches' in the energy spectrum induced by single-crystal diamond compound X-ray refractive lenses. I: Journal of Synchrotron Radiation. ISSN 0909-0495. Volum 26. s.1-10. DOI: 10.1107/S1600577518014856

Mahmoud Khalifeh; Arild Saasen; Helge Bøvik Larsen; Helge Hodne (2017) Development and Characterization of Norite-Based Cementitious Binder from an Ilmenite Mine Waste Stream. I: Advances in Materials Science and Engineering. ISSN 1687-8434. Volum 2017. DOI: 10.1155/2017/6849139

Emile Jubeli; Amanda B. Maginty; Nada Abdul Khalique; Liji Raju; David Graham Nicholson; Helge Bøvik Larsen; Michael D. Pungente; William P.D. Goldring (2017) Cationic lipids bearing succinic-based, acyclic and macrocyclic hydrophobic domains: Synthetic studies and in vitro gene transfer. I: European Journal of Medicinal Chemistry. ISSN 0223-5234. Volum 125. s.225-232. DOI: 10.1016/j.ejmech.2016.09.027

Helge Bøvik Larsen; Gunnar Thorkildsen; David Graham Nicholson; Philip Pattison (2016) Thermal induced structural properties of silver(I) sulphate (Ag2SO4). I: Crystal Research & Technology. ISSN 0232-1300. Volum 51. s.730-737. DOI: 10.1002/crat.201600173

Mahmoud Khalifeh; Arild Saasen; Torbjørn Vrålstad; Helge Bøvik Larsen; Helge Hodne (2016) Experimental study on the synthesis and characterization of aplite rock-based geopolymers. I: Journal of Sustainable Cement-Based Materials. ISSN 2165-0373. Volum 5. s.233-246. DOI: 10.1080/21650373.2015.1044049

P. Parvizi-Bahktar; J. Mendez-Campos; Liji Raju; Nada Abdul Khalique; Emile Jubeli; Helge Bøvik Larsen; David Graham Nicholson; Michael D. Pungente; Thomas Murray Fyles (2016) Structure-activity correlation in transfection promoted by pyridinium cationic lipids. I: Organic and biomolecular chemistry. ISSN 1477-0520. Volum 14. s.3080-3090. DOI: 10.1039/c6ob00041j

Emile Jubeli; Amanda B Maginty; Nada Abdul Khalique; Liji Raju; Mohamad Abdulhai; David Graham Nicholson; Helge Bøvik Larsen; Michael D. Pungente; William PD Goldring (2015) Next generation macrocyclic and acyclic cationic lipids for gene transfer: Synthesis and in vitro evaluation. I: Bioorganic & Medicinal Chemistry. ISSN 0968-0896. Volum 23. s.6364-6378. DOI: 10.1016/j.bmc.2015.08.032

Gunnar Thorkildsen; Helge Bøvik Larsen (2015) The atomic anisotropic displacement tensor - completing the picture. I: Acta Crystallographica Section A: Foundations and Advances. Online ISSN 2053-2733. Volum 71. s.467-470. DOI: 10.1107/S2053273315008372

Gunnar Thorkildsen; Helge Bøvik Larsen (2014) Crystallography of embedded particles in Al-Mg-Zn alloys. Symmetry analysis. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 47. s.1736-1748. DOI: 10.1107/S1600576714019414

Paria Parvizi; Emile Jubeli; Liji Raju; Nada Abdul Khalique; Ahmed Almeer; Hebatalla Allam; Maryem Manaa; Helge Bøvik Larsen; David Graham Nicholson; Michael Pungente; Thomas Fyles (2014) Aspects of nonviral gene therapy: Correlation of molecular parameters with lipoplex structure and transfection efficacy in pyridinium-based cationic lipids. I: International Journal of Pharmaceutics. ISSN 0378-5173. Volum 461. s.145-156. DOI: 10.1016/j.ijpharm.2013.11.045

Christer Lorentz Øpstad; Muhammad Zeeshan; Asma Zaidi; Hans-Richard Sliwka; Vassilia Partali; David Graham Nicholson; Chinmay Surve; Mitchell A. Izower; Natalia Bilchuk; Howard H. Lou; Philip Leopold; Helge Bøvik Larsen; Alexandra Liberska; Nada Abdul Khalique; Liji Raju; Marcella Flinterman; Emile Jubeli; Michael D. Pungente (2014) Novel cationic polyene glycol phospholipids as DNA transfer reagents - Lack of a structure-activity relationship due to uncontrolled self-assembling processes. I: Chemistry and Physics of Lipids. ISSN 0009-3084. Volum 183. s.117-136. DOI: 10.1016/j.chemphyslip.2014.04.006

Helge Bøvik Larsen; Gunnar Thorkildsen; Sølvi Natland; Philip Pattison (2014) Average crystal structure(s) of the embedded meta stable η′-phase in the Al-Mg-Zn system. I: Philosophical Magazine. ISSN 1478-6435. Volum 94. s.1719-1743. DOI: 10.1080/14786435.2014.895440

Helge Bøvik Larsen; Gunnar Thorkildsen; David Graham Nicholson (2012) X-ray attenuation factors in fluorescence intensity emission-effects of finite sample size. I: Physica Scripta. ISSN 0031-8949. Volum 86. DOI: 10.1088/0031-8949/86/06/065601

Atle Sjølyst-Kverneland; Vidar Hansen; Gunnar Thorkildsen; Helge Bøvik Larsen; P Pattison; X.Z. Li; Jon Gjønnes (2011) Transformations and structures in the Al-Zn-Mg alloy system: A diffraction study using synchrotron radiation and electron precession. I: Materials Science & Engineering: A. ISSN 0921-5093. Volum 528. s.880-887. DOI: 10.1016/j.msea.2010.10.001

Atle Sjølyst-Kverneland; Vidar Hansen; Gunnar Thorkildsen; Helge Bøvik Larsen; Philip Pattison; XZ Li; Jon Gjønnes (2010) Transformations and structures in the Al?Zn?Mg alloy system: A diffraction study using synchrotron radiation and electron precession. I: Materials Science & Engineering: A. ISSN 0921-5093. DOI: 10.1016/j.msea.2010.10.001

Gunnar Thorkildsen; Helge Bøvik Larsen; Jon Are Beukes (2006) Angle calculations for a three-circle goniostat. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 39. s.151-157. DOI: 10.1107/S0021889805041877

Gunnar Thorkildsen; Helge Bøvik Larsen; Jon Are Beukes (2006) Angle calculations for a three-circle goniostat. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 39.

Gunnar Thorkildsen; Helge B. Larsen; Edgar Weckert; Frode Mo; Ragnvald H. Mathiesen (2005) Three-beam resonant X-ray diffraction in germanium - Laue transmission cases. I: Acta Crystallographica Section A: Foundations of Crystallography. ISSN 0108-7673. Volum A61. s.460-470.

Helge Bøvik Larsen; Gunnar Thorkildsen; Edgar Weckert (2005) Three-beam diffraction in an elastically strained crystal plate. I: Acta Crystallographica Section A: Foundations of Crystallography. ISSN 0108-7673. Volum 61. s.134-138.

Gunnar Thorkildsen; Edgar Weckert; Frode Mo; Helge Bøvik Larsen; Ragnvald Mathiesen (2005) Three-beam resonant X-ray diffraction in germanium - Laue transmission cases. I: Acta Crystallographica Section A: Foundations of Crystallography. ISSN 0108-7673. Volum 61. s.460-470.

Gunnar Thorkildsen; Helge Bøvik Larsen; Edgar Weckert; Dag Semmingsen (2003) Three-beam X-ray diffraction -- profile analysis. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 36. s.1324-1333.

Gunnar Thorkildsen; Helge Bøvik Larsen (2002) Three-beam X-ray diffraction in a semi-infinite perfect crystal. I: ?. Volum 58. s.252-258.

Martin Bae; Helge Bøvik Larsen (2001) Observation of strain induced boundary migration (SIBM). I: Praktische metallographie. ISSN 0032-678X. Volum 38. s.680-686.

Gunnar Thorkildsen; Helge Bøvik Larsen; Edgar Weckert (2001) Approximate solution of the Takagi-Taupin equations for a semi-infinite crystal in the three-beam Laue-Laue case. I: ?. Volum 57. s.389-394.

Gunnar Thorkildsen; Helge Bøvik Larsen; Dag Semmingsen; Øystein Bjaanes (2001) Generalized extinction in bipyramidal crystals. I: ?. Volum 57. s.201-211.

Gunnar Thorkildsen; Helge B. Larsen; Ragnvald H. Mathiesen; Frode Mo (2000) Three-beam interference measurements with a six-circle kappa diffractometer. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 33. s.49-51.

Gunnar Thorkildsen; Helge B. Larsen (2000) Comments on Extinction-Corrected mean thickness and integral width used in the program UMWEG98 by Rossmanith (2000). I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 33. s.1447-1447.

Gunnar Thorkildsen; Helge B. Larsen; Ragnvald H. Mathiesen; Frode Mo (2000) Three-beam interference measurements with a six-circle kappa diffractometer. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 33. s.49-51.

Gunnar Thorkildsen; Helge B. Larsen; Andre Authier (1999) Nonsymmetrical X-ray diffraction in a perfect rectangular t x l crystal. Extinction and absorption. I: ?. Volum A55. s.1-13.

Gunnar Thorkildsen; Ragnvald H. Mathiesen; Helge B. Larsen (1999) Angle calculations for a six-circle kappa diffractometer. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 32. s.943-950.

Gunnar Thorkildsen; Helge Bøvik Larsen (1999) X-ray intensity patterns from finite perfect crystals. I: ?. Volum A55. s.1000-1013.

Gunnar Thorkildsen; Helge Bøvik Larsen (1999) X-ray diffraction in perfect t x l crystals. Rocking curves. I: ?. Volum A55. s.840-854.

Gunnar Thorkildsen; Ragnvald H. Mathiesen; Helge B. Larsen (1999) Angle calculations for a six-circle kappa diffractometer. I: Journal of Applied Crystallography. ISSN 0021-8898. Volum 32. s.943-950.

Helge B. Larsen; Gunnar Thorkildsen; Andre Authier (1998) An exact analytical expression for the primary extinction factor for a perfect spherical crystal in the limit oh->/2. I: ?. Volum A54. s.511-512.

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen; A. Authier (1998) Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction Experiments. I: ?. Volum A54. s.338-347.

Ragnvald Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen; Andre Authier (1998) Existence of Two Crystal Structures of the Complex alpha-D-Glucose NaCl H_2O (2:1:1) Verified by Three-Beam Diffraction Experiments. I: ?. Volum A54. s.338-347.

R.H. Mathiesen; F. Mo; A. Eikenes; T. Nyborg; H.B. Larsen (1998) Existence of Two Crystal Structures of the Complex a-D-Glucose- NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction Experiments. I: Acta Crystallographica. ISSN 0365-110X. Volum A 54. s.338-347.

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen; D. Cornuejols (1998) A New Technique: Physically Estimated Triplet Phases. I: ESRF Newsletter. ISSN 1011-9310. s.34-36.

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen (1998) A New Technique: Physically Estimated Triplet Phases. I: ESRF Newsletter. ISSN 1011-9310. s.34-36.

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen (1998) Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction Experiments. I: Acta Crystallographica Section A: Foundations of Crystallography. ISSN 0108-7673. Volum A54. s.338-347.

Ragnvald Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen (1998) Existence of Two Crystal Structures of the Complex alpha-D-Glucose NaCl H_2O (2:1:1) Verified by Three-Beam Diffraction Experiments. I: Acta Crystallographica Section A: Foundations of Crystallography. ISSN 0108-7673. Volum A54. s.338-347.

Gunnar Thorkildsen; Helge B. Larsen; Andre Authier (1998) Three-Beam Diffraction in Finite Perfect Crystals. I: Exploring Laue-Laue and Bragg-Laue Scattering Using a Series-Expansion Approach for the Solution of the Takagi-Taupin Equations. I: ?. Volum A54. s.120-128.

Gunnar Thorkildsen; Helge B. Larsen; Andre Authier (1998) Symmetrical X-ray Diffraction in a Perfect Rectangular t x l Crystal. Extinction and Absorption. I: ?. Volum A54. s.416-429.

Gunnar Thorkildsen; Helge B. Larsen; Andre Authier (1998) Absorption and Weighted Path Lengths in Cylinders and Spheres. I: ?. Volum A54. s.186-190.

Gunnar Thorkildsen; Helge B. Larsen; Andre Authier (1998) Primary Extinction in Cylinders and Spheres. I: ?. Volum A54. s.172-185.

Helge B. Larsen; Gunnar Thorkildsen; Andre Authier (1998) Three-Beam Diffraction in Finite Perfect Crystals. II. Influence of Absorption, Resonant Scattering and Polarization. I: ?. Volum A54. s.129-136.

Helge B. Larsen; Gunnar Thorkildsen; Andre Authier (1998) Three-Beam Diffraction in Finite Imperfect Crystals. An Analysis of Coherent Wavefield Interactions Using Statistical Dynamical Theory. I: ?. Volum A54. s.137-145.

Helge Bøvik Larsen (1997) Dynamical effects in the scattering of X-rays from perfect and imperfect finite crystals. NTNU, Høgskolen i Stavanger. ISBN 9788247100639.

Gunnar Thorkildsen; Helge Bøvik Larsen (2007) Crystallography of embedded particles in FCC metal matrices. Universitetet i Stavanger. ISBN 9788276443325.

Gunnar Thorkildsen; Helge Bøvik Larsen; Jon Are Beukes (2005) Angle Calculations for a Six Circle Kappa-Diffractometer IV Orientation Matrix. Universitetet i Stavanger. ISBN 9788276442540.

Gunnar Thorkildsen; Helge Bøvik Larsen; Jon Are Beukes (2004) Angle Calculations for a six circle kappa-diffractometer. III. psi-rotations and scan procedures. ISBN 9788276442151.

Helge Bøvik Larsen (2003) Synchrotron radiation and syncrotrons -- necessary large-scale tools in studying structure at atomic level. I: [Mangler fornavn] [Mangler etternavn], NTVA Årbok 2002. Norges Tekniske Vitenskapsakademi. ISBN 9788277190440. s.43-46.

Gunnar Thorkildsen; Helge Bøvik Larsen (2002) TE-6254 Materialfysikk. Universitetet i Stavanger.

Gunnar Thorkildsen; Helge Bøvik Larsen (2002) Angle Calculations for a Six Circle Kappa-Diffractometer II. General Orientation of Axes. Universitetet i Stavanger. ISBN 9788276441857.

Martin Bae; Helge Bøvik Larsen (2001) Evidence of Strain Induced Boundary Migration in a Stainless Steel. Universitetet i Stavanger.

Gunnar Thorkildsen; Helge B. Larsen (1999) Two Beam Diffraction in Perfect Crystals analyzed by Takagi's Equations. Part 4. Rocking Curves. Mathematica Function Definitions and Notebooks. Universitetet i Stavanger. ISBN 9788276440744.

Gunnar Thorkildsen; Helge B. Larsen (1998) Three-beam Diffraction in Imperfect Crystals. Universitetet i Stavanger. ISBN 9788276440522.

Gunnar Thorkildsen; Helge B. Larsen (1998) Two Beam Diffraction in Perfect Crystals Analyzed by Takagi's Equations. Part 3. Rocking Curves and Intensity Distributions. Universitetet i Stavanger. ISBN 9788276440560.

Gunnar Thorkildsen; Helge B. Larsen; Ragnvald H. Mathiesen; Frode Mo (1998) Test Experiments with the KUMA6 Diffractometer at the SNBL, EH-2. Project 01-02-115. [Mangler utgivernavn].

Gunnar Thorkildsen; Ragnvald H. Mathiesen; Helge B. Larsen (1998) Angle Calculations for a Six-Circle kappa-Diffractometer. Universitetet i Stavanger. ISBN 9788276440652.

Gunnar Thorkildsen; Helge B. Larsen; Ragnvald H. Mathiesen; Frode Mo (1998) Test Experiments with the KUMA6 Diffractometer at the SNBL, EH-2. Project 01-02-115.

Gunnar Thorkildsen; Helge Bøvik Larsen (1997) Two Beam Diffraction in Perfect Crystals Analyzed by Takagi's Equations. Part 2-Function Definitions, Notebooks and Worksheets. Universitetet i Stavanger. ISBN 9788276440423.

Gunnar Thorkildsen; Helge Bøvik Larsen (1997) Two Beam Diffraction in Perfect Crystals Analyzed by Takagi's Equations. Part 1-Basic Principles and Methods of Solutions. Universitetet i Stavanger. ISBN 9788276440409.

Lund Øystein Bø; Helge Bøvik Larsen; Magne Olav Sydnes (2023) UiS, energihovedstaden og satsing på kjernekraft. s.22-22.

Lund Øystein Bø; Helge Bøvik Larsen; Magne Olav Sydnes (2021) Sammen om det grønne skiftet. s.28-28.

Espen Dommersnes; Mahmoud Khalifeh; Helge Bøvik Larsen (2020) Potential Utilization of Neutron Logging Technology for Casing Cement Evaluation - Feasibility Study. Abu Dhabi International Petroleum Exhibition & Conference; 2020-11-09 - 2020-11-12.

Helge Bøvik Larsen (2020) Doctoral Supervision in the 21st Century. TUH- Professors Lounge; 2020-01-30.

Stian Penev Ramsnes; Helge Bøvik Larsen; Gunnar Thorkildsen; David Graham Nicholson (2019) Utilising MaXrd in the Study of Inclusion Compounds. 32nd European Crystallographic Meeting; 2019-08-18 - 2019-08-23.

Qiuyuan Zhang; Maxim Polikarpov; Nataliya Klimova; Helge Bøvik Larsen; Ragnvald Mathiesen; Hermann Emerich; Irina Snigireva; Anatoly Snigirev (2018) Glitch spectroscopy of X-ray compound refractive lenses. Poster; 2018-02-05 - 2018-02-07.

Qiuyuan Zhang; Helge Bøvik Larsen; Ragnvald Mathiesen (2018) Investigation of glitches induced by single-crystal diamond compound refractive lenses. Synchrotron Radiation Instrumentation (SRI 2018); 2018-06-10 - 2018-06-15.

Helge Bøvik Larsen (2017) What is happening inside the synchrotron?. Fellesseminar ved Universitetet i Bergen; 2017-03-17.

Helge Bøvik Larsen (2016) Between kinematical and dynamical X-ray diffraction. Invitert foredrag; 2016-11-22.

Helge Bøvik Larsen (2016) Moderne solcellematerialer. Åpen fagdag; 2016-11-15.

Paria Parvizi; Liji Raju; Nada Abdul Khalique; Emile Jubeli; David Graham Nicholson; Helge Bøvik Larsen; M.D. Pungente; Thomas Fyles (2015) Correlation of molecular properties and supramolecular assembly od cationic lipoplexes with transfection efficiency. Pacifichem 2015; 2015-12-15 - 2015-12-20.

Mahmoud Khalifeh; Arild Saasen; Torbjørn Vrålstad; Helge Bøvik Larsen; Helge Hodne (2015) Cap rock restoration in plug and abandonment operations; possible utilization of aplite-based geopolymers for permanent zonal isolation and well plugging. SPE Offshore Europe Conference and Exhibition; 2015-09-08 - 2015-09-11.

Elise Barrier; Francisco Manuel Braz Fernandes; Maya Bujan; Martin C. Feiters; Annick Froideval; Jacques Ghijsen; Thomas Hase; Michael A. Hough; Matej Jergel; Ignacio Jimenez; Tommi Kajander; Arvo Kikas; Michael Kokkinidis; Laszlo Kover; Helge Bøvik Larsen; David Mark Lawson; Krystyna Lawniczak-Jablonska; Carlo Mariani; Petr Mikulik; Judith Monnier; Solange Morera; Cormac McGuinness; Peter Müller-Buschbaum; Martin Meedom Nielson; Ullrich Pietsch; Moniek Tromp; Marc Simon; Julian Stangl; Giuseppe Zanotti (2014) The benefit of the European User Community from transnational access to national radiation facilities. I: Journal of Synchrotron Radiation. ISSN 0909-0495. Volum 21. s.638-639. DOI: 10.1107/S1600577514007619

Helge Bøvik Larsen (2013) SAXS/SAXRD studies part II: Structural studies on Lipid-DNA complexes. Symposium on Nonviral Delivery of Biotherapeutics; 2013-11-26.

Paria Parvizi; Nada Abdul Khalique; Emile Jubeli; Liji Raju; Helge Bøvik Larsen; David Graham Nicholson; Thomas Fyles; Michael Pungente (2013) Correlation of lipoplex morphology and transfection efficacy for pyridium-based cationic lipids by means of synchrotron radiation and X-ray diffraction. Annual reserach conference of the Qatar Science Foundation; 2013-11-24 - 2013-11-26.

Paria Parvizi; Emile Jubeli; Liji Raju; Nada Abdul Khalique; Ahmed Almeer; Hebatalla Allam; Maryem Manaa; Helge Bøvik Larsen; David Graham Nicholson; Thomas Fyles; Michael Pungente (2013) Correlation of molecular parameters with lipoplex structure and the transfection efficacy in pyridium-based cationic lipids. 16th Annual Meeting of the American Society for Gene & Cell Therapy; 2013-05-15 - 2013-05-18.

Helge Bøvik Larsen; David Graham Nicholson (2012) Single crystal diffraction and FLEXAFS -- complementary opprotunities. PSI seminar; 2012-06-06.

Helge Bøvik Larsen (2012) Synkrotroner og synkrotronstråling - nødvendige storskala verktøy for å studere stoffers oppbygning på atomært nivå. Møte i Norges Teknisk-Naturvitenskapelige Vitenskapsakademi; 2012-10-25.

Vidar Hansen; Ingunn Cecilie Oddsen; Atle Kverneland; Helge Bøvik Larsen; Philip Pattison; Gunnar Thorkildsen; Jon Gjønnes (2009) Diffuse scattering from zones and particles in the Al-Zn-Mg alloy system. SNBL/ESRF Workshop on Diffuse Scattering; 2009-06-25 - 2009-06-26.

Sølvi Natland; Helge Bøvik Larsen; Gunnar Thorkildsen; Philip Pattison (2008) Diffraction studies of an Al-Mg-Zn single crystal by synchrotron radiation. XXI Congress of the International Union of Crystallography; 2008-08-23 - 2008-08-31.

Vidar Hansen; Atle Kverneland; X.Z. Li; Gunnar Thorkildsen; Helge Bøvik Larsen; Jon Gjønnes (2008) Elektronmikroskopi og synkrotronrøntgen diffraksjonsstudier av transformasjoner og strukturer i 7xxx-legeringer. 29. Metallurgiske Sommermøtet; 2008-05-21 - 2008-05-22.

Vidar Hansen; Atle Kverneland; Gunnar Thorkildsen; Helge Bøvik Larsen; Roger Vincent; Jon Gjønnes (2007) Structure analysis of the n'-precipitate in Al-Zn-Mg alloys by the precession technique in electron diffraction and synchrotron radiation. 19Th Nordic Structural Chemistry Meeting; 2007-01-08 - 2007-01-11.

Vidar Hansen; Atle Kverneland; Gunnar Thorkildsen; Helge Bøvik Larsen; Philip Pattison; Cristopher Gilmore; Roger Vincent; Jon Gjønnes (2006) Structure determination of nanosized semi-coherent Al-Mg-Zn precipitates by precession electron diffraction and synchrotron X-ray diffraction. 23rd European crystallographic Meeting; 2006-08-06 - 2006-08-11.

Vidar Hansen; Atle Kverneland; Helge Bøvik Larsen; Philip Pattison; Roger Vincent; Jon Gjønnes (2005) Structure Determination of Embedded Precipitates by Precession Electron Diffraction and Synchrotron Radiation: A Comparison. XX Congress of the International Union of Crystallography; 2005-08-23 - 2005-08-31.

Helge Bøvik Larsen; Gunnar Thorkildsen (2004) Three-beam diffraction in imperfect crystals. utenTitteltekst; 2004-06-23.

Helge Bøvik Larsen; Gunnar Thorkildsen (2004) Multiple beam diffraction -- the basics, applications and possible developments. utenTitteltekst; 2004-12-06.

Helge Bøvik Larsen; Gunnar Thorkildsen (2004) Kappa six circle diffractometer -- benchmarking. utenTitteltekst; 2004-05-10.

Helge Bøvik Larsen; Gunnar Thorkildsen (2003) Three-beam X-ray diffraction -- profile analysis. 21st EUROPEAN Crystallographic Meeting.; 2003-08-24 - 2003-08-29.

Helge Bøvik Larsen (2002) Diffraksjon av røntgenstråler fra materialer.

Vidar Hansen; Helge Bøvik Larsen (2002) Metallenes indre liv. utenTitteltekst; 2002-11-28.

Gunnar Thorkildsen; Helge Bøvik Larsen (2001) Dynamical scattering of X-rays in finite crystals. 1. Brukermøte norsk Synktrotronforskning; 2001-01-18 - 2001-01-19.

Helge Bøvik Larsen; Gunnar Thorkildsen (2001) Three-beam Diffraction -- Only for Phase-Estimation??. 11'th ESRF User's Meeting; 2001-02-19 - 2001-02-20.

Helge Bøvik Larsen; Gunnar Thorkildsen (2001) Three-beam Diffraction -- Only for Phase-Estimation ???. 1.Brukermøte norsk Synkrotronforskning; 2001-01-18 - 2001-01-19.

Helge B. Larsen (2000) Synchrotron Radiation -- Applications in Materials Science. utenTitteltekst;

Helge B. Larsen; Gunnar Thorkildsen (2000) Measurements of dynamical diffraction effects in finite crystals. SNBL -user's meeting No.1. Research highlights.;

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen (2000) Experimental phase estimates applied in solving crystallographic problems. The structure(s) of alpha-D-Glc NaCl H2O (2:1:1). The Swiss-Norwegian Beamlines at ESRF: Research Highlights 2000.;

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen (2000) Experimental phase estimates applied in solving crystallographic problems. The structure(s) of alpha-D-Glc NaCl H2O (2:1:1). The Swiss-Norwegian Beamlines at ESRF: Research Highlights 2000.;

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen (1999) Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction. NSM-16, 08.-10.01.98;

Helge Bøvik Larsen; Gunnar Thorkildsen (1999) Interference Patterns from semi-infinite and finite Crystals. utenTitteltekst;

Gunnar Thorkildsen; Helge B. Larsen (1998) Calculating the Integrated Power as a Function of Wavelenght for a Finite Perfect Crystal using MATHEMATICA. International School of Crystallography;

Gunnar Thorkildsen; Helge B. Larsen (1998) Polarization Effects in Three-Beam Diffraction from Small, Finite Crystals. International School of Crystallography;

Ragnvald H. Mathiesen; Frode Mo; Anders Eikenes; Tanja Nyborg; Helge B. Larsen (1998) Existence of Two Crystal Structures of the Complex alpha-D-Glucose.NaCl.H2O (2:1:1) Verified by Three-Beam Diffraction. NSM-16, 08.-10.01.98;