TY  - JOUR
AU  - Muscas, Giuseppe
AU  - Jovanović, Sonja
AU  - Vukomanović, Marija
AU  - Spreitzer, Matjaž
AU  - Peddis, Davide
PY  - 2019
UR  - https://linkinghub.elsevier.com/retrieve/pii/S0925838819316147
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8194
AB  - Magnetic nanoparticles represent complex but very interesting objects. They combine the bulk properties with novel phenomena emerging at the nanoscale due to finite-size effects. The recent development of the synthetic procedures allows having a strong control on the size and shape of individual particles and on their physical-chemical structure. Among different magnetic materials, spinel ferrite nanoparticles offer strong chemical and physical stability as well as tunable magnetic properties. In the present article, we investigate the effect of Zn substitution in cobalt ferrite nanoparticles. The technological development of nanoparticle-based magnetic materials aims to find a balance between a well-defined magnetic behavior of individual elements and their strong interactions, which arise from the need of miniaturization that leads to dense ensembles of the system's constituents. Within this complex context, we provide one route to optimize the properties of small spinel ferrite particles by tuning their chemical composition without compromise their structural properties, and with full control of their size and shape. Furthermore, we propose an advanced analysis of their magnetic properties in the framework of the random anisotropy model. We will show that the chemical composition not only determines the intrinsic anisotropy energy of each nanoparticle but also owns a profound effect on the interparticle interactions. © 2019 Elsevier B.V.
T2  - Journal of Alloys and Compounds
T1  - Zn-doped cobalt ferrite: Tuning the interactions by chemical composition
VL  - 796
SP  - 203
EP  - 209
DO  - 10.1016/j.jallcom.2019.04.308
ER  - 

@article{
author = "Muscas, Giuseppe and Jovanović, Sonja and Vukomanović, Marija and Spreitzer, Matjaž and Peddis, Davide",
year = "2019",
abstract = "Magnetic nanoparticles represent complex but very interesting objects. They combine the bulk properties with novel phenomena emerging at the nanoscale due to finite-size effects. The recent development of the synthetic procedures allows having a strong control on the size and shape of individual particles and on their physical-chemical structure. Among different magnetic materials, spinel ferrite nanoparticles offer strong chemical and physical stability as well as tunable magnetic properties. In the present article, we investigate the effect of Zn substitution in cobalt ferrite nanoparticles. The technological development of nanoparticle-based magnetic materials aims to find a balance between a well-defined magnetic behavior of individual elements and their strong interactions, which arise from the need of miniaturization that leads to dense ensembles of the system's constituents. Within this complex context, we provide one route to optimize the properties of small spinel ferrite particles by tuning their chemical composition without compromise their structural properties, and with full control of their size and shape. Furthermore, we propose an advanced analysis of their magnetic properties in the framework of the random anisotropy model. We will show that the chemical composition not only determines the intrinsic anisotropy energy of each nanoparticle but also owns a profound effect on the interparticle interactions. © 2019 Elsevier B.V.",
journal = "Journal of Alloys and Compounds",
title = "Zn-doped cobalt ferrite: Tuning the interactions by chemical composition",
volume = "796",
pages = "203-209",
doi = "10.1016/j.jallcom.2019.04.308"
}

Muscas, G., Jovanović, S., Vukomanović, M., Spreitzer, M.,& Peddis, D.. (2019). Zn-doped cobalt ferrite: Tuning the interactions by chemical composition. in Journal of Alloys and Compounds, 796, 203-209.
https://doi.org/10.1016/j.jallcom.2019.04.308

Muscas G, Jovanović S, Vukomanović M, Spreitzer M, Peddis D. Zn-doped cobalt ferrite: Tuning the interactions by chemical composition. in Journal of Alloys and Compounds. 2019;796:203-209.
doi:10.1016/j.jallcom.2019.04.308 .

Muscas, Giuseppe, Jovanović, Sonja, Vukomanović, Marija, Spreitzer, Matjaž, Peddis, Davide, "Zn-doped cobalt ferrite: Tuning the interactions by chemical composition" in Journal of Alloys and Compounds, 796 (2019):203-209,
https://doi.org/10.1016/j.jallcom.2019.04.308 . .

TY  - JOUR
AU  - Hinke, C. B.
AU  - Boehmer, M.
AU  - Boutachkov, P.
AU  - Faestermann, T.
AU  - Geissel, H.
AU  - Gerl, J.
AU  - Gernhäuser, Roman
AU  - Gorska, M.
AU  - Gottardo, Andrea
AU  - Grawe, H.
AU  - Grebosz, J. L.
AU  - Kruecken, R.
AU  - Kurz, N.
AU  - Liu, Z.
AU  - Maier, L.
AU  - Nowacki, F.
AU  - Pietri, S.
AU  - Podolyak, Zs
AU  - Sieja, K.
AU  - Steiger, K.
AU  - Straub, K.
AU  - Weick, H.
AU  - Wollersheim, H. -J.
AU  - Woods, P. J.
AU  - Al-Dahan, N.
AU  - Alkhomashi, N.
AU  - Atac, A.
AU  - Blazhev, A.
AU  - Braun, N. F.
AU  - Čeliković, Igor T.
AU  - Davinson, Thomas
AU  - Dillmann, I.
AU  - Domingo-Pardo, C.
AU  - Doornenbal, P. C.
AU  - de France, Gilles
AU  - Farrelly, G. F.
AU  - Farinon, F.
AU  - Goel, N.
AU  - Habermann, T. C.
AU  - Hoischen, R.
AU  - Janik, R.
AU  - Karny, M.
AU  - Kaskas, A.
AU  - Kojouharov, I. M.
AU  - Kroell, Th
AU  - Litvinov, Y.
AU  - Myalski, S.
AU  - Nebel, F.
AU  - Nishimura, S.
AU  - Nociforo, C.
AU  - Nyberg, J.
AU  - Parikh, A. R.
AU  - Prochazka, A.
AU  - Regan, P. H.
AU  - Rigollet, C.
AU  - Schaffner, H.
AU  - Scheidenberger, C.
AU  - Schwertel, S.
AU  - Soederstroem, P. -A.
AU  - Steer, S. J.
AU  - Stolz, A.
AU  - Strmen, P.
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4895
AB  - The shell structure of atomic nuclei is associated with magic numbers and originates in the nearly independent motion of neutrons and protons in a mean potential generated by all nucleons. During beta(+)-decay, a proton transforms into a neutron in a previously not fully occupied orbital, emitting a positron-neutrino pair with either parallel or antiparallel spins, in a Gamow-Teller or Fermi transition, respectively. The transition probability, or strength, of a Gamow-Teller transition depends sensitively on the underlying shell structure and is usually distributed among many states in the neighbouring nucleus. Here we report measurements of the half-life and decay energy for the decay of Sn-100, the heaviest doubly magic nucleus with equal numbers of protons and neutrons. In the beta-decay of Sn-100, a large fraction of the strength is observable because of the large decay energy. We determine the largest Gamow-Teller strength so far measured in allowed nuclear beta-decay, establishing the superallowed nature of this Gamow-Teller transition. The large strength and the low-energy states in the daughter nucleus, In-100, are well reproduced by modern, large-scale shell model calculations.
T2  - Nature
T1  - Superallowed Gamow-Teller decay of the doubly magic nucleus Sn-100
VL  - 486
IS  - 7403
SP  - 341
EP  - 345
DO  - 10.1038/nature11116
ER  - 

@article{
author = "Hinke, C. B. and Boehmer, M. and Boutachkov, P. and Faestermann, T. and Geissel, H. and Gerl, J. and Gernhäuser, Roman and Gorska, M. and Gottardo, Andrea and Grawe, H. and Grebosz, J. L. and Kruecken, R. and Kurz, N. and Liu, Z. and Maier, L. and Nowacki, F. and Pietri, S. and Podolyak, Zs and Sieja, K. and Steiger, K. and Straub, K. and Weick, H. and Wollersheim, H. -J. and Woods, P. J. and Al-Dahan, N. and Alkhomashi, N. and Atac, A. and Blazhev, A. and Braun, N. F. and Čeliković, Igor T. and Davinson, Thomas and Dillmann, I. and Domingo-Pardo, C. and Doornenbal, P. C. and de France, Gilles and Farrelly, G. F. and Farinon, F. and Goel, N. and Habermann, T. C. and Hoischen, R. and Janik, R. and Karny, M. and Kaskas, A. and Kojouharov, I. M. and Kroell, Th and Litvinov, Y. and Myalski, S. and Nebel, F. and Nishimura, S. and Nociforo, C. and Nyberg, J. and Parikh, A. R. and Prochazka, A. and Regan, P. H. and Rigollet, C. and Schaffner, H. and Scheidenberger, C. and Schwertel, S. and Soederstroem, P. -A. and Steer, S. J. and Stolz, A. and Strmen, P.",
year = "2012",
abstract = "The shell structure of atomic nuclei is associated with magic numbers and originates in the nearly independent motion of neutrons and protons in a mean potential generated by all nucleons. During beta(+)-decay, a proton transforms into a neutron in a previously not fully occupied orbital, emitting a positron-neutrino pair with either parallel or antiparallel spins, in a Gamow-Teller or Fermi transition, respectively. The transition probability, or strength, of a Gamow-Teller transition depends sensitively on the underlying shell structure and is usually distributed among many states in the neighbouring nucleus. Here we report measurements of the half-life and decay energy for the decay of Sn-100, the heaviest doubly magic nucleus with equal numbers of protons and neutrons. In the beta-decay of Sn-100, a large fraction of the strength is observable because of the large decay energy. We determine the largest Gamow-Teller strength so far measured in allowed nuclear beta-decay, establishing the superallowed nature of this Gamow-Teller transition. The large strength and the low-energy states in the daughter nucleus, In-100, are well reproduced by modern, large-scale shell model calculations.",
journal = "Nature",
title = "Superallowed Gamow-Teller decay of the doubly magic nucleus Sn-100",
volume = "486",
number = "7403",
pages = "341-345",
doi = "10.1038/nature11116"
}

Hinke, C. B., Boehmer, M., Boutachkov, P., Faestermann, T., Geissel, H., Gerl, J., Gernhäuser, R., Gorska, M., Gottardo, A., Grawe, H., Grebosz, J. L., Kruecken, R., Kurz, N., Liu, Z., Maier, L., Nowacki, F., Pietri, S., Podolyak, Z., Sieja, K., Steiger, K., Straub, K., Weick, H., Wollersheim, H. -J., Woods, P. J., Al-Dahan, N., Alkhomashi, N., Atac, A., Blazhev, A., Braun, N. F., Čeliković, I. T., Davinson, T., Dillmann, I., Domingo-Pardo, C., Doornenbal, P. C., de France, G., Farrelly, G. F., Farinon, F., Goel, N., Habermann, T. C., Hoischen, R., Janik, R., Karny, M., Kaskas, A., Kojouharov, I. M., Kroell, T., Litvinov, Y., Myalski, S., Nebel, F., Nishimura, S., Nociforo, C., Nyberg, J., Parikh, A. R., Prochazka, A., Regan, P. H., Rigollet, C., Schaffner, H., Scheidenberger, C., Schwertel, S., Soederstroem, P. -A., Steer, S. J., Stolz, A.,& Strmen, P.. (2012). Superallowed Gamow-Teller decay of the doubly magic nucleus Sn-100. in Nature, 486(7403), 341-345.
https://doi.org/10.1038/nature11116

Hinke CB, Boehmer M, Boutachkov P, Faestermann T, Geissel H, Gerl J, Gernhäuser R, Gorska M, Gottardo A, Grawe H, Grebosz JL, Kruecken R, Kurz N, Liu Z, Maier L, Nowacki F, Pietri S, Podolyak Z, Sieja K, Steiger K, Straub K, Weick H, Wollersheim H-, Woods PJ, Al-Dahan N, Alkhomashi N, Atac A, Blazhev A, Braun NF, Čeliković IT, Davinson T, Dillmann I, Domingo-Pardo C, Doornenbal PC, de France G, Farrelly GF, Farinon F, Goel N, Habermann TC, Hoischen R, Janik R, Karny M, Kaskas A, Kojouharov IM, Kroell T, Litvinov Y, Myalski S, Nebel F, Nishimura S, Nociforo C, Nyberg J, Parikh AR, Prochazka A, Regan PH, Rigollet C, Schaffner H, Scheidenberger C, Schwertel S, Soederstroem P-, Steer SJ, Stolz A, Strmen P. Superallowed Gamow-Teller decay of the doubly magic nucleus Sn-100. in Nature. 2012;486(7403):341-345.
doi:10.1038/nature11116 .

Hinke, C. B., Boehmer, M., Boutachkov, P., Faestermann, T., Geissel, H., Gerl, J., Gernhäuser, Roman, Gorska, M., Gottardo, Andrea, Grawe, H., Grebosz, J. L., Kruecken, R., Kurz, N., Liu, Z., Maier, L., Nowacki, F., Pietri, S., Podolyak, Zs, Sieja, K., Steiger, K., Straub, K., Weick, H., Wollersheim, H. -J., Woods, P. J., Al-Dahan, N., Alkhomashi, N., Atac, A., Blazhev, A., Braun, N. F., Čeliković, Igor T., Davinson, Thomas, Dillmann, I., Domingo-Pardo, C., Doornenbal, P. C., de France, Gilles, Farrelly, G. F., Farinon, F., Goel, N., Habermann, T. C., Hoischen, R., Janik, R., Karny, M., Kaskas, A., Kojouharov, I. M., Kroell, Th, Litvinov, Y., Myalski, S., Nebel, F., Nishimura, S., Nociforo, C., Nyberg, J., Parikh, A. R., Prochazka, A., Regan, P. H., Rigollet, C., Schaffner, H., Scheidenberger, C., Schwertel, S., Soederstroem, P. -A., Steer, S. J., Stolz, A., Strmen, P., "Superallowed Gamow-Teller decay of the doubly magic nucleus Sn-100" in Nature, 486, no. 7403 (2012):341-345,
https://doi.org/10.1038/nature11116 . .