Keijo Hämäläinen

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  1. The isotropic Compton profile difference across the phase transition of VO2

    Ruotsalainen, K. O., Inkinen, J., Pylkkänen, T., Buslaps, T., Hakala, M., Hämäläinen, K. & Huotari, S., 3 Oct 2018, In : European Physical Journal B. Condensed Matter and Complex Systems. 91, 10, 6 p., 225.

    Research output: Contribution to journalArticleScientificpeer-review

  2. Multiresolution Parameter Choice Method for Total Variation Regularized Tomography

    Niinimäki, K., Lassas, M., Hämäläinen, K., Kallonen, A., Kolehmainen, V., Niemi, E. & Siltanen, S., 2016, In : SIAM journal on imaging sciences . 9, 3, p. 938-974 37 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. Resonant X-ray emission with a standing wave excitation

    Ruotsalainen, K. O., Honkanen, A-P., Collins, S. P., Monaco, G., Moretti Sala, M., Krisch, M., Hämäläinen, K., Hakala, M. & Huotari, S., 3 Mar 2016, In : Scientific Reports. 6, 5 p., 22648 .

    Research output: Contribution to journalArticleScientificpeer-review

  4. Inelastic x-ray scattering in heterostructures: electronic excitations in LaAlO3/SrTiO3

    Ruotsalainen, K. O., Sahle, C. J., Ritschel, T., Geck, J., Hosoda, M., Bell, C., Hikita, Y., Hwang, H., Fister, T., Gordon, R. A., Hämäläinen, K., Hakala, M. & Huotari, S., 29 Jul 2015, In : Journal of Physics. Condensed Matter. 27, 33, 10 p., 335501.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Dynamic multi-source X-ray tomography using a spacetime level set method

    Niemi, E., Lassas, M., Kallonen, A., Harhanen, L., Hamalainen, K. & Siltanen, S., 15 Jun 2015, In : Journal of Computational Physics. 291, p. 218-237 20 p.

    Research output: Contribution to journalArticleScientificpeer-review

  6. Intra- and intermolecular effects on the Compton profile of the ionic liquid 1,3-dimethylimidazolium chloride

    Koskelo, J., Juurinen, I., Ruotsalainen, K. O., McGrath, M. J., Kuo, I-F., Lehtola, S., Galambosi, S., Hämäläinen, K., Huotari, S. & Hakala, M., 28 Dec 2014, In : Journal of Chemical Physics. 141, 24, 6 p., 244505.

    Research output: Contribution to journalArticleScientificpeer-review

  7. Total variation regularization for large-scale X-ray tomography

    Hämäläinen, K., Harhanen, L., Hauptmann, A., Kallonen, A., Niemi, E. & Siltanen, S., 2014, In : International Journal of Tomography and Simulation. 25, 1, p. 1-25

    Research output: Contribution to journalArticleScientificpeer-review

  8. The origin and loss of periodic patterning in the turtle shell

    Moustakas-Verho, J. E., Zimm, R., Cebra-Thomas, J., Lempiainen, N. K., Kallonen, A., Mitchell, K. L., Hämäläinen, K., Salazar Ciudad, I., Jernvall, J. & Gilbert, S. F., Aug 2014, In : Development. 141, 15, p. 3033-3039 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  9. Molecular-Level Changes of Aqueous Poly(N-isopropylacrylamide) in Phase Transition

    Juurinen, I., Galambosi, S., Anghelescu-Hakala, A. G., Koskelo, J., Honkimaki, V., Hamalainen, K., Huotari, S. & Hakala, M. O., 22 May 2014, In : Journal of Physical Chemistry B. 118, 20, p. 5518-5523 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  10. Electrode thickness measurement of a Si(Li) detector for the SIXA array

    Tikkanen, T., Hämäläinen, K. & Huotari, S., 1 Feb 1998, In : Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. 403, 2-3, p. 425-430 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

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