Index -> Publications

Publications and presentation

Journal papers

J. Neuefeind, A. L. Skov, J. E. Daniels, V. Honkimäki, B. Jakobsen, J. Oddershede, and H. F. Poulsen. A multiple length scale description of the mechanism of elastomer stretching. RSC Advances, 6:95910--95919, 2016. [ DOI ]

B. Jakobsen, A. Sanz, K. Niss, T. Hecksher, I. H. Pedersen, T. Rasmussen, T. Christensen, N. B. Olsen, and J. C. Dyre. Thermalization calorimetry: A simple method for investigating glass transition and crystallization of supercooled liquids. AIP Advances, 6:055019, 2016. [ DOI ]

L. A. Roed, K. Niss, and B. Jakobsen. High pressure specific heat spectroscopy reveals simple relaxation behavior of glass forming molecular liquid. The Journal of Chemical Physics - Communication, 143:221101, 2015. [ DOI ]

K. Adrjanowicz, B. Jakobsen, T. Hecksher, K. Kaminski, M. Dulski, M. Paluch, and K. Niss. Communication: Slow supramolecular mode in amine and thiol derivatives of 2-ethyl-1-hexanol revealed by combined dielectric and shear-mechanical studies. The Journal of Chemical Physics - Communication, 143(18):181102, 2015. [ DOI ]

T. Freiesleben, R. Sohbati, A. Murray, M. Jain, S. al Khasawneh, S. Hvidt, and B. Jakobsen. Mathematical model quantifies multiple daylight exposure and burial events for rock surfaces using luminescence dating. Radiation Measurements, 81, 2015. [ DOI ]

T. Hecksher and B. Jakobsen. Supramolecular structures in monohydroxy alcohols: Insights from shear-mechanical studies of a systematic series of octanol structural isomers. Journal of Chemical Physics - Communication, 141:101104, 2014. [ DOI ]

C. Gainaru, M. Wikarek, S. Pawlus, M. Paluch, R. Figuli, M. Wilhelm, T. Hecksher, B. Jakobsen, J. C. Dyre, and R. Böhmer. Oscillatory shear and high-pressure dielectric study of 5-methyl-3-heptanol. Colloid and Polymer Science, 292:1913--1921, 2014. Special Issue in honor of Prof. Dr. Friedrich Kremer on the occasion of his 65th birthday. [ DOI ]

C. Gainaru, R. Figuli, T. Hecksher, B. Jakobsen, J. C. Dyre, M. Wilhelm, and R. Böhmer. Shear-modulus investigations of monohydroxy alcohols: Evidence for a short-chain-polymer rheological response. Physical Review Letters, 112:098301, 2014. [ DOI ]

B. Jakobsen, T. Hecksher, T. Christensen, N. B. Olsen, J. C. Dyre, and K. Niss. Identical temperature dependence of the time scales of several linear-response functions of two glass-forming liquids. Journal of Chemical Physics - Communication, 136:081102, 2012. [ DOI ]

U. Lienert, S. Li, C. Hefferan, J. Lind, R. Suter, J. Bernier, N. Barton, M. Brandes, M. Mills, M. Miller, B. Jakobsen, and W. Pantleon. High-energy diffraction microscopy at the advanced photon source. JOM, 63:70--77, 2011.

D. Gundermann, U. R. Pedersen, T. Hecksher, N. P. Bailey, B. Jakobsen, T. Christensen, N. B. Olsen, T. B. Schrøder, D. Fragiadakis, R. Casalini, C. M. Roland, J. C. Dyre, and K. Niss. Predicting the density scaling exponent from prigogine-defay ratio measurements. Nature Physics, 7:816--821, 2011. [ DOI ]

T. Christensen, B. Jakobsen, J. Papini, T. Hecksher, J. C. Dyre, and N. B. Olsen. A combined measurement of thermal and mechanical relaxation. Journal of Non-Crystalline Solids, 357:346--350, 2011. “6th IDMRCS” special issue. [ DOI ]

B. Jakobsen, K. Niss, C. Maggi, N. B. Olsen, T. Christensen, and J. C. Dyre. Beta relaxation in the shear mechanics of viscous liquids: Phenomenology and network modeling of the alpha-beta merging region. Journal of Non-Crystalline Solids, 357:267--273, 2011. “6th IDMRCS” special issue. [ DOI ]

B. Jakobsen, N. B. Olsen, and T. Christensen. Frequency-dependent specific heat from thermal effusion in spherical geometry. Physical Review E, 81:061505, 2010. [ DOI ]

C. Maggi, B. Jakobsen, and J. C. Dyre. Unique dynamic correlation length in supercooled liquids. arXiv:1003.0341v1 [cond-mat.soft], 2010. [ http ]

W. Pantleon, C. Wejdemann, B. Jakobsen, U. Lienert, and H. Poulsen. Evolution of deformation structures under varying loading conditions followed in situ by high angular resolution 3dxrd. Materials Science and Engineering A, 524:55--63, 2009. [ DOI ]

A. I. Nielsen, T. Christensen, B. Jakobsen, K. Niss, N. B. Olsen, R. Richert, and J. C. Dyre. Prevalence of approximate sqrt(t) relaxation for the dielectric α process in viscous organic liquids. Journal of Chemical Physics, 130:154508, 2009. [ DOI ]

B. Jakobsen, H. F. Poulsen, U. Lienert, J. Bernier, C. Gundlach, and W. Pantleon. Stability of dislocation structures in copper towards stress relaxation investigated by high angular resolution 3d x-ray diffraction. Physica Status Solidi (a), 206:21--30, 2009. [ DOI ]

C. Maggi, B. Jakobsen, T. Christensen, N. B. Olsen, and J. C. Dyre. Supercooled liquid dynamics studied via shear-mechanical spectroscopy. The Journal of Physical Chemistry B, 112:16320--16325, 2008. [ DOI | http ]

B. Jakobsen, C. Maggi, T. Christensen, and J. C. Dyre. Investigation of the shear-mechanical and dielectric relaxation processes in two monoalcohols close to the glass transition. Journal of Chemical Physics, 129:184502, 2008. [ DOI | http ]

N. P. Bailey, T. Christensen, B. Jakobsen, K. Niss, N. B. Olsen, U. R. Pedersen, T. B. Schrøder, and J. C. Dyre. Glass-forming liquids: one or more 'order' parameters? Journal of Physics: Condensed Matter, 20:244113, 2008. [ DOI ]

B. Jakobsen, U. Lienert, J. Almer, H. Poulsen, and W. Pantleon. Direct observation of strain in bulk subgrains and dislocation walls by high angular resolution three-dimensional X-ray diffraction. Materials Science and Engineering: A, 483--484:641--643, 2008. Proceedings of ICSMA14. [ DOI ]

M. Brøns, B. Jakobsen, K. Niss, A. Bisgaard, and L. K. Voigt. Streamline topology in the near wake of a circular cylinder at moderate Reynolds numbers. Journal of Fluid Mechanics, 584:23--43, 2007. [ DOI ]

B. Jakobsen, H. F. Poulsen, U. Lienert, and W. Pantleon. Direct determination of elastic strains and dislocation densities in individual subgrains in deformation structures. Acta Materialia, 55:3421--3430, 2007. [ DOI ]

B. Jakobsen, H. F. Poulsen, U. Lienert, X. Huang, and W. Pantleon. Investigation of the deformation structure in an aluminium magnesium alloy by high angular resolution three-dimensional X-ray diffraction. Scripta Materialia, 56:769--772, 2007. [ DOI ]

B. Jakobsen, H. F. Poulsen, U. Lienert, J. Almer, S. D. Shastri, H. O. Sørensen, C. Gundlach, and W. Pantleon. Formation and subdivision of deformation structures. Science, 312:889--892, 2006. [ DOI | http ]

H. Sørensen, B. Jakobsen, E. Knudsen, E. Lauridsen, S. Nielsen, H. Poulsen, S. Schmidt, G. Winther, and L. Margulies. Mapping grains and their dynamics in three dimensions. Nuclear Instruments and Methods in Physics Research Section B, 246:232--237, 2006. [ DOI ]

K. Niss, B. Jakobsen, and N. B. Olsen. Dielectric and shear mechanical relaxations in glass-forming liquids: A test of the Gemant-DiMarzio-Bishop model. Journal of Chemical Physics, 123:234510, 2005. [ DOI | http ]

B. Jakobsen, K. Niss, and N. B. Olsen. Dielectric and shear mechanical alpha and beta relaxations in seven glass-forming liquids. Journal of Chemical Physics, 123:234511, 2005. [ DOI | http ]

Book chapters

W. Pantleon, C. Wejdemann, B. Jakobsen, H. F. Poulsen, and U. Lienert. Strains and dislocation gradients from diffraction, chapter High Resolution Reciprocal Space Mapping for Characterizing Deformation Structures. Imperial College Press (World Scientific Publishing), 2014. [ http ]

International Presentations

B. Jakobsen and K. Niss. Peltier based temperature controlled sample platforms for neutron scattering. Oral presentation, 2015. IKON9 - The Ninth In-Kind Contributions Meeting for Neutron Science for ESS (September 21--22, Lund, Sweeden).

T. Hecksher, C. Gainaru, and B. Jakobsen. Broadband shear-mechanical spectroscopy on monohydroxy alcohols reveals mechanical short-chain polymer behavior corresponding to the dielectric debye process. Poster, 2015. International workshop on Viscous Liquids and the Glass Transition (XIII) (May 28--30, Søminestationen, Denmark).

T. Hecksher, C. Gainaru, and B. Jakobsen. Broadband shear-mechanical spectroscopy on monohydroxy alcohols reveals mechanical short-chain polymer behavior corresponding to the dielectric debye process. Poster, 2014. Liquids 2014, the 9th Liquid Matter Conference (July 21 -- 25, Lisbon, Portugal).

B. Jakobsen and T. Hecksher. The debye-process in monohydroxy alcohols, as seen by broadband shear-mechanical spectroscopy: Is size important? Oral presentation, 2014. International workshop on Viscous Liquids and the Glass Transition (XII) (June 12--14, Søminestationen, Denmark).

B. Jakobsen, C. Maggi, K. Niss, T. Christensen, T. Hecksher, C. Gainaru, and J. Dyre. Shear-mechanical spectroscopy: Contrast between monohydroxy alcohols and van der Waals liquids. Invited Oral presentation, and abstract in collection, 2013. 7th International Discussion Meeting on Relaxations in Complex Systems (IDMRCS7) (July 21 -- July 26, Barcelona, Spain).

B. Jakobsen. Experimental methods for measuring on viscoelastic glass-forming liquids. Oral presentation, and abstract in collectio, 2012. Nordic Conference on Ceramic and Glass Technology (December 6 -- December 7, Risø, Denmark).

B. Jakobsen and T. Christensen. Effusivity based AC-calorimetry. Poster, 2012. 11th Lähnwitzseminar on Calorimetry (June 10 -- June 14, Rostock-Warnemünde, Germany).

B. Jakobsen, T. Hecksher, K. Niss, T. Christensen, N. B. Olsen, and J. Dyre. Temperature-independent decoupling between the characteristic time scales of five independent linear response functions. Poster, 2011. International Workshop on Dynamics in Viscous Liquids III (March 30 -- April 2, Rome, Italy).

B. Jakobsen, T. Hecksher, K. Niss, D. Gundermann, T. Christensen, N. B. Olsen, and J. Dyre. Comparing the timescale from ac-calorimetric measurements to the timescales from four other response functions. Poster, 2010. 11th Lähnwitzseminar on Calorimetry (June 6--11, Rostock, Germany).

B. Jakobsen, T. Hecksher, K. Niss, D. Gundermann, T. Christensen, N. B. Olsen, and J. Dyre. Comparison of the characteristic timescale from 5 independent response functions. Oral presentation, 2010. International workshop on Viscous Liquids and the Glass Transition (VIII) (May 28--30, Søminestationen, Denmark).

B. Jakobsen, T. Hecksher, K. Niss, D. Gundermann, T. Christensen, N. B. Olsen, and J. Dyre. Comparison of the characteristic timescale from 5 independent response functions. Oral presentation, and abstract in collection, 2010. XII International Workshop on Complex Systems (March 15-18, Andalo, Trento, Italy).

B. Jakobsen, K. Niss, C. Maggi, N. B. Olsen, T. Christensen, and J. C. Dyre. Secondary relaxation observed by broadband shear-mechanical spectroscopy. Invited Oral presentation, and abstract in collection, 2009. 6th International Discussion Meeting on Relaxations in Complex Systems (IDMRCS6) (August 30 -- September 5, Rome, Italy).

B. Jakobsen, N. B. Olsen, and T. Christensen. Frequency-dependent specific heat from thermal effusion in spherical geometry. Oral presentation, and abstract in collection, 2008. Fragility of Viscous Liquids: Cause(s) and Consequences (October 8-10, Copenhagen, Denmark).

B. Jakobsen, C. Maggi, T. Christensen, and J. C. Dyre. Broadband shear mechanical and dielectric investigation of monohydroxy alcohols close to the glass transition temperature. Poster presentation, and abstract in collection, 2008. Fragility of Viscous Liquids: Cause(s) and Consequences (October 8-10, Copenhagen, Denmark).

B. Jakobsen, C. Maggi, T. Christensen, and J. C. Dyre. Broadband shear mechanical and dielectric investigation of monohydroxy alcohols close to the glass transition temperature. Poster presentation, 2008. XI International Workshop on Complex Systems (March 17-20, Andalo, Trento, Italy).

B. Jakobsen, U. Lienert, J. Almer, W. Pantleon, and H. F. Poulsen. Properties and dynamics of bulk subgrains, probed in-situ using a novel X-ray diffraction method. Oral presentation, and abstract in collection, 2006. Fundamentals of Deformation and Annealing Symposium (September 5-7, Manchester, UK).

B. Jakobsen, U. Lienert, J. Almer, H. F. Poulsen, and W. Pantleon. Ultra-high angular resolution 3DXRD for observing bulk subgrains and their dynamic. Oral presentation, and abstract in collection, 2006. 14'th International Conference on the Strength of Materials ICSMA14 (June 4-9, Xi'an, China).

K. Niss and B. Jakobsen. Dielectric and shear mechanical relaxation in viscous liquids: Are they connected? Oral presentation, 2003. International workshop on Viscous Liquids and the Glass Transition (III) (May 9-11, Søminestationen, Denmark).

Proceedings

W. Pantleon, C. Wejdemann, B. Jakobsen, U. Lienert, and H. Poulsen. Advances in characterization of deformation structures by high resolution reciprocal space mapping. In N. Hansen, D. J. Jensen, S. Nielsen, H. Poulsen, and B. Ralph, editors, Proceedings of the 31st Risø International Symposium on Materials Science: Challenges in materials science and possibilities in 3D and 4D characterization techniques, pages 79--100. Risø National Laboratory for Sustainable Energy, Technical University of Denmark, 2010.

B. Jakobsen, U. Lienert, J. Almer, W. Pantleon, and H. Poulsen. Properties and dynamics of bulk subgrains probed in-situ using a novel x-ray diffraction method. Materials Science Forum, 550:613--618, 2007. Proceedings of ”Fundamentals of Deformation and Annealing Symposium´´, Manchester, 2006. [ http ]

U. Lienert, J. Almer, B. Jakobsen, W. Pantleon, H. Poulsen, D. Hennessy, C. Xiao, and R. Suter. 3-dimensional characterization of polycrystalline bulk materials using high-energy synchrotron radiation. Materials Science Forum, 539--543:2353--2358, 2007. Proceedings of ”International Conference on Processing & Manufacturing Of Advanced Materials (THERMEC) 2006´´.

W. Pantleon, B. Jakobsen, U. Lienert, J. Almer, C. Gundlach, and H. F. Poulsen. In-situ observation of individual subgrains by 3dxrd during deformation and recovery. In A. S. Khan and R. Kazmiy, editors, Anisotropy, Texture, Dislocations and Multiscale Modeling in Finite Plasticity & Viscoplasticity, and Metal Forming --- Proceedings of PLASTICITY '06: The Twelfth International Symposium on Plasticity and its Current Applications, pages 664--666. NEAT PRESS, 2006.

U. Lienert, J. Almer, B. Jakobsen, H. Poulsen, and W. Pantleon. Observation of dislocation structure evolution by analysis of x-ray peak profiles from individual bulk grains. In Proceedings of the 25th Risø International Symposium on Materials Science: Evolution of Deformation Microstructures in 3D, pages 417--422, 2004.

Reports

B. Jakobsen. In-situ studies of bulk deformation structures: Static properties under load and Dynamics during deformation. Ph.d. thesis, Roskilde University, 2006. arXiv:0708.3986v1 [cond-mat.mtrl-sci]. [ http ]

K. Niss and B. Jakobsen. Dielectric and Shear Mechanical Relaxation in Glass Forming Liquids --- A thorough analysis and experimental test of the DiMarzio-Bishop model. Master thesis, Roskilde University, 2003. Text nr. 424 in "Tekster fra IMFUFA". [ .html ]

K. Niss and B. Jakobsen. Hopf bifurcation and topology in fluid flow (in danish). Project thesis, Roskilde University, 2002. Text nr. 412 in "Tekster fra IMFUFA". [ .ps ]

National Presentations

B. Jakobsen, T. Hecksher, K. Niss, D. Gundermann, T. Christensen, N. B. Olsen, and J. Dyre. Investigation of the uniqueness of the temperature dependence of the characteristic timescale in glass-forming liquids. Oral presentation, and abstract in collection, 2010. Annual meeting of Danish Physical Society (June 22-23, Nyborg, Denmark).

B. Jakobsen, C. Maggi, T. Christensen, and J. C. Dyre. Broadband shear mechanical and dielectric investigation of monohydroxy alcohols close to the glass transition temperature. Poster presentation, 2008. Annual meeting of the Danish Physical Society (June 17-18, Nyborg, Denmark).

B. Jakobsen, H. F. Poulsen, U. Lienert, J. Almer, S. D. Shastri, H. O. Sørensen, C. Gundlach, and W. Pantleon. Formation and subdivision of deformation structures. Oral presentation, and abstract in collection, 2006. 36th Danish Crystallographic Meeting, 8th DANSYNC Meeting & 4th DANSSK Meeting (May 16-17, Odense, Denmark).

B. Jakobsen, U. Lienert, J. Almer, H. Poulsen, and W. Pantleon. Ultra-high angular resolution 3dxrd for observing bulk subgrains. Poster presentation, and abstract in collection (P13), 2005. 35th Danish Crystallographic Meeting & 7th DANSYNC Meeting (May 25-26, Sandbjerg Estate, Denmark).

K. Niss, B. Jakobsen, and N. B. Olsen. Connection between shear mechanical relaxation and dielectric relaxation in viscoelastic liquids. Poster presentation, 2003. Annual meeting of the Danish Physical Society (June 12-13, Nyborg, Denmark).

B. Jakobsen, K. Niss, and M. Brøns. Streamline topologies of the periodic flow behind a cylinder. Poster presentation, 2002. Annual meeting of the Danish Physical Society (May 30-31, Nyborg, Denmark).

Other Presentations (including local workshops and non-scientific)

J. Larsen and B. Jakobsen. Cas in education and research. Presentation, 2014. Imfufa seminar (May 5, Roskilde, Denmark). [ http ]

B. Jakobsen. Emacs med auctex & reftex som latex editor. Presentation, 2011. Emacsforum 2011, DIKU (November 12, Copenhagen, Denmark).

B. Jakobsen. Eksperimenter på bløde og hårde materialer. Presentation, 2011. IMFUFA Årsmøde, RUC (November 5, Roskilde, Denmark).

B. Jakobsen, T. Hecksher, K. Niss, D. Gundermann, T. Christensen, N. B. Olsen, and J. Dyre. Comparison of the characteristic timescale from 5 independent response functions. Talk, 2011. 3rd Chalmers-Roskilde Workshop on Liquids and Glasses (January 17 -- 18, Chalmers, Göteborg, Sweden).

B. Jakobsen, N. B. Olsen, and T. Christensen. Frequency-dependent specific heat from thermal effusion in spherical geometry. Oral presentation, 2009. 1st Chalmers-Roskilde Workshop on Liquids and Glasses (January 15-16, Chalmers, Göteborg, Sweden).

B. Jakobsen, H. F. Poulsen, W. Pantleon, U. Lienert, J. Almer, and S. D. Shastri. High angular resolution 3DXRD -- observing bulk subgrains and their dynamics. Oral presentation, June 16 2006. APS User Science Seminars (Argonne, USA).

B. Jakobsen. Subgrain dynamics -- presentation of a novel x-ray technique and first result. Oral presentation, Dec 12 2005. Risø scattering group (Risø, Denmark).

B. Jakobsen, W. Pantleon, H. Poulsen, J. Almer, and U. Lienert. In-situ investigation of metal microstructures by x-ray diffraction. Poster presentation, 2004. Nordic Research Training Course on the Application of X-ray Synchrotron Radiation in Chemistry, Physics, Biology and Medicine (June 23-29, Sandbjerg Estate, Denmark).

K. Niss and B. Jakobsen. Dielectric and shear mechanical relaxation in viscous liquids: Are they connected? Oral presentation, June 4 2003.

Other papers (year reports etc.)

Seeing the strains in deformed metals. In APS Science 2008 --- the annual report of the Advanced Photon Source at Argonne National Laboratory, ANL-08/24, pages 31--32. 2009. [ http ]

B. Jakobsen, U. Lienert, J. Almer, H. Sørensen, W. Pantleon, and H. Poulsen. Intermittent dynamics of dislocation structures during plastic deformation. In DANSYNC Annual Report. DANSYNC, 2005.

B. Jakobsen, U. Lienert, J. Almer, C. Gundlach, H. Poulsen, and W. Pantleon. Direct observation of individual subgrains in dislocation structures using ultra-high angular resolution x-ray diffraction. Unpublished draft for APS activity report 2004, used for GUP 4033 application, 2005.

B. Jakobsen, U. Lienert, J. Almer, H. Poulsen, and W. Pantleon. Direct observatio of the dynamics of individual dislocatio structures during plastic deformation. In DANSYNC Annual Report. DANSYNC, 2004.

B. Jakobsen, U. Lienert, J. Almer, H. Poulsen, and W. Pantleon. High reciprocal space resolution 3-dimensional x-ray diffraction. In Advanced Photon Source Activity Report 2003, number ANL-04/16. Argonne National Laboratory, December 2004. [ .PDF ]


I can be contacted on: boj@dirac.ruc.dk
This page has been updated on the 31st of Jan 2013