UvA-DARE (Digital Academic Repository) EVIDENCE FOR 4f-INSTABILITY OF DILUTE TERBIUM IN THORIUM #

Evidence for 4f-instability of dilute terbium in thorium Sereni, J.G.; Nieva, G.; Huber, J.G.; Braun, E.; Bruck, E.H.; Oster, F.; Roden, B.; Wohlleben, D. Published in: Journal of Magnetism and Magnetic Materials DOI: 10.1016/0304-8853(87)90677-9 Link to publication Citation for published version (APA): Sereni, J. G., Nieva, G., Huber, J. G., Braun, E., Bruck, E. H., Oster, F., ... Wohlleben, D. (1987). Evidence for 4f-instability of dilute terbium in thorium. Journal of Magnetism and Magnetic Materials,[63][64][597][598][599] https://doi.org/10.1016/0304-8853(87)90677-9 General rights It is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: https://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. Download date: 01 Jul 2019 Journal of Magnetism and Magnetic Materials 63 & 64 (1987) We have measured the specltiC heat of dilute Th~ xTbx alloys (0 44 < x < 2 15 a/o), which rises linearly between 0 4 and 0 9 K with a slope of AC/T-~ 450 mJ/K2molTb followed by a Schottky anomaly wlth a maximum near 3 8 K The high temperature AxT product was found to be 40 lower than that of Tb ~+ The reslstwlty shows no minimum at low temperatures D~scuss~on ~s made in terms of non-integral valence of T