]. Onnes and L. Comm, , p.124, 1911.

]. J. Bednorz and K. A. Müller, Possible highT c superconductivity in the Ba?La?Cu?O system, Zeitschrift f???r Physik B Condensed Matter, vol.21, issue.2, p.189, 1986.
DOI : 10.1007/BF01303701

B. Michel and . Raveau, , p.407, 1984.

M. K. Wu, J. R. Ashburn, C. J. Torng, P. H. Hor, R. L. Meng et al., Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure, Physical Review Letters, vol.235, issue.9, p.908, 1987.
DOI : 10.1126/science.235.4788.567

]. J. Nagamatsu, N. Nakagawa, T. Muranaka, Y. Zenitani, and J. Akimitsu, Superconductivity at 39???K in magnesium diboride, Nature, vol.76, issue.348, pp.63-64, 2001.
DOI : 10.1021/ja01634a089

]. Y. Kamihara, T. Watanabe, M. Hirano, and H. Hosono, = 26 K, Journal of the American Chemical Society, vol.130, issue.11, p.3296, 2008.
DOI : 10.1021/ja800073m

Z. Chen, R. H. Tesanovic, X. H. Liu, C. L. Chen, and . Chien, A BCS-like gap in the superconductor SmFeAsO0.85F0.15, Nature, vol.79, issue.7199, p.1224, 2008.
DOI : 10.1038/nature07081

]. H. Takahashi, K. Igawa, K. Arii, Y. Kamihara, M. Hirano et al., Superconductivity at 43???K in an iron-based layered compound LaO1-xFxFeAs, Nature, vol.452, issue.7193, p.376, 2008.
DOI : 10.4131/jshpreview.12.280

W. Meissner and R. Ochsenfeld, Ein neuer Effekt bei Eintritt der Supraleitf???higkeit, Die Naturwissenschaften, vol.21, issue.44, p.787, 1933.
DOI : 10.1007/BF01504252

F. London and H. London, Supraleitung und diamagnetismus, Physica, vol.2, issue.1-12, p.341, 1935.
DOI : 10.1016/S0031-8914(35)90097-0

P. L. Ginzburg and L. D. Landau, Zh. Eksperin. Teor. Fiz, vol.20, p.1064, 1950.

L. N. Cooper-phys, , p.1189, 1956.

M. Tinkham, Introduction to Superconductivity, p.63, 1996.

C. P. Bean, Magnetization of Hard Superconductors, Physical Review Letters, vol.248, issue.6, p.250, 1962.
DOI : 10.1098/rsta.1955.0011

J. D. Jorgensen, Physical Review B, vol.38, issue.155, p.1863, 1990.
DOI : 10.1103/PhysRevB.38.2888

B. Batlogg, R. J. Cava, C. H. Chen, G. Kouroukis, W. Weber et al., Novel Superconductivity, pp.653-657, 1987.

X. X. , Xi Two-band superconductor magnesium diboride Rep, Prog. Phys, vol.7111, issue.11, p.116501, 2008.

L. Baril and . Thèse-de-doctorat, , 1996.

F. Bloch, Nuclear induction, Physical Review, pp.460-474, 1946.

, Chapitre 2 : Contexte scientifique et objectifs de la thèse Références

M. , A. , and H. Fujishiro, Modelling of bulk superconductor Magnetization, Supercond. Sci. Technol, vol.28, p.53002, 2015.

T. Oka, H. Seki, J. Ogawa, S. Fukui, T. Sato et al., Performance of Trapped Magnetic Field in Superconducting Bulk Magnets Activated by Pulsed Field Magnetization, IEEE Transactions on Applied Superconductivity, vol.21, issue.3, pp.3356-3365, 2011.
DOI : 10.1109/TASC.2010.2091236

R. Weinstein, D. Parks, R. P. Sawh, K. Davey, and K. Carpenter, A study of pulsed activation of trapped field magnets: effects of multiple pulsing, Superconductor Science and Technology, vol.26, issue.9, p.95005, 2013.
DOI : 10.1088/0953-2048/26/9/095005

M. Ainslie, . Fujishiro, . Ujiie, A. Zou, Y. Dennis et al., Sci. Technol, vol.27, p.65008, 2014.

E. P. Krasnoperov, V. S. Korotkov, and A. A. Kartamy-shev, Small-Sized Hybrid Magnet with Pulsed Field Magnetization, Journal of Superconductivity and Novel Magnetism, vol.40, issue.4a, pp.1845-1849, 2014.
DOI : 10.1051/epjconf/20134010001

R. Hauet and J. , Traction électrique ferroviaire, convertisseurs et moteurs" techniques de l'ingénieur, traité de génie électrique, pp.27-28, 1998.

. Lévêque, High Magnetic Field Generated by Bulk MgB 2 Prepared by Spark Plasma Sintering, IEEE Transactions on Applied Superconductivity, vol.26, issue.3, pp.1-5, 2016.

J. G. Noudem, D. Kenfaui, X. Chaud, E. Louradour, D. Zhou et al., Progress in Processing of Thin Wall HTc Bulk Superconducting Cryomagnets, Journal of Superconductivity and Novel Magnetism, vol.90, issue.9, pp.959-963, 2013.
DOI : 10.1111/j.1551-2916.2007.01841.x
URL : https://hal.archives-ouvertes.fr/hal-02150678

D. Kenfaui, P. Sibeud, E. Louradour, X. Chaud, J. G. Noudem et al., An effective approach for the development of reliable YBCO bulk cryomagnets with high trapped field performances" to Advanced Functional Materials, pp.3996-4004, 2014.

D. Zhou, M. Izumi, and J. Noudem, Significant improvement of trapped flux in bulk Gd???Ba???Cu???O grains fabricated by a modified top-seeded melt growth process, Superconductor Science and Technology, vol.26, issue.1, p.15003, 2013.
DOI : 10.1088/0953-2048/26/1/015003
URL : https://hal.archives-ouvertes.fr/hal-02150686

]. J. Noudem, M. Aburras, and P. Bernstein,

. Murakami, Development in processing of MgB2 cryo-magnet superconductors, J. Appl. Phys, vol.116101, p.169164900725, 1063.
URL : https://hal.archives-ouvertes.fr/hal-01921416

, Paramagnetic moment in field-cooled superconducting plates: Paramagnetic Meissner effect, Phys. Rev. B, vol.52, p.13559, 1995.

]. , D. Valle, A. Sanchez, E. Pardo, C. Navau et al., Enhanced stability by field cooling in superconducting levitation with translational symmetry, Appl. Phys. Lett, vol.91, issue.2, p.112507, 2007.

M. Tomita and M. Murakami, High-temperature superconductor bulk magnets that can trap magnetic fields of over 17 tesla at 29???K, Nature, vol.421, issue.6922, pp.517-520, 2003.
DOI : 10.1007/s11837-000-0140-y

J. , Supercond. Sci. Technol, vol.27, p.82001, 2014.

L. Chen, Y. S. Cha, H. Claus, H. Zheng, B. W. Veal et al., Optimization of Pulsed-Current Profile for Magnetizing High$T_rm C$Bulk YBCO Superconductors, IEEE Transactions on Plasma Science, vol.34, issue.5, pp.1702-1708, 2006.
DOI : 10.1109/TPS.2006.881890

H. Ainslie, T. Fujishiro, J. Ujiie, A. R. Zou, Y. Dennis et al., Modelling and comparison of trapped fields in (RE)BCO bulk superconductors for activation using pulsed field magnetization, Superconductor Science and Technology, vol.27, issue.6, p.65008, 2014.
DOI : 10.1088/0953-2048/27/6/065008

, Thermal conductivity of single crystal and ceramic AlN, pp.83554-83555, 2008.

, Materials characterization, p.346, 1986.

P. Bernstein, J. Noudem, and L. Dupont, Critical current density and current distribution in field cooled superconducting disks, Superconductor Science and Technology, vol.29, issue.7, p.75007, 2016.
DOI : 10.1088/0953-2048/29/7/075007
URL : https://hal.archives-ouvertes.fr/hal-02184738

P. Bernstein, L. Colson, L. Dupont, and J. Noudem, disks as functions of temperature, Superconductor Science and Technology, vol.30, issue.6, p.65007, 2017.
DOI : 10.1088/1361-6668/aa69ec
URL : https://hal.archives-ouvertes.fr/hal-02175383

P. Bernstein, A new approach to the current distribution in field cooled superconductors disks, Superconductor Science and Technology, vol.31, issue.1, p.15008, 2018.
DOI : 10.1088/1361-6668/aa94b2
URL : https://hal.archives-ouvertes.fr/hal-02174407

, Reférences [1] Bean C P, Magnetization of high-field superconductors, Rev. Mod. Phys, vol.36, pp.31-40, 1964.

I. Chen, J. Liu, R. Weinstein, and . Lau, , by trapped magnetic field, Journal of Applied Physics, vol.5, issue.3, p.1013, 1992.
DOI : 10.1016/0011-2275(88)90148-8

K. Boughrara and R. Ibtiouen, MAGNETIC FIELD DISTRIBUTION AND LEVITATION FORCE CALCULATION IN HTSC-PMG MAGLEV VEHICLES, Progress In Electromagnetics Research B, vol.55, p.63, 2013.
DOI : 10.2528/PIERB13082705

Y. Yang and X. J. Zheng, Method for solution of the interaction between superconductor and permanent magnet, Journal of Applied Physics, vol.22, issue.11, p.113922, 2007.
DOI : 10.1088/0953-2048/17/5/016

X. Y. Zhang, Y. Zhou, and J. Zhou, Modeling of symmetrical levitation force under different field cooling processes Physica, p.401, 2008.

J. Zhou, X. Zhang, and Y. Zhou, An improvement of frozen-image model and its application in a HTS levitation system, Theoretical and Applied Mechanics Letters, vol.1, issue.3, p.31001, 2011.
DOI : 10.1063/2.1103101

T. Johansen and H. Bratsberg, superconductor???magnet levitation system, Journal of Applied Physics, vol.27, issue.6, p.4060, 1993.
DOI : 10.1063/1.344927

T. H. Johansen, H. Mestl, and H. Bratsberg, superconductor and magnet of rectangular shapes, Journal of Applied Physics, vol.75, issue.3, p.1667, 1994.
DOI : 10.1063/1.351826

E. Brandt, Superconductor disks and cylinders in an axial magnetic field. I. Flux penetration and magnetization curves, Physical Review B, vol.30, issue.240, p.6506, 1998.
DOI : 10.1109/20.312659

D. Dias, E. Motta, G. Sotelo, R. De-andrade, and . Jr, Experimental validation of field cooling simulations for linear superconducting magnetic bearings, Superconductor Science and Technology, vol.23, issue.7, p.75013, 2010.
DOI : 10.1088/0953-2048/23/7/075013

C. Navau and A. Sanchez, Magnetic properties of finite superconducting cylinders. II. Nonuniform applied field and levitation force, Physical Review B, vol.34, issue.21, p.214507, 2001.
DOI : 10.1088/0953-2048/12/6/313

M. Morita, S. Takebayashi, M. Tanaka, K. Kimura, K. Miyamoto et al., Adv. Supercond, vol.3, pp.733-736, 1991.

J. G. Noudem, M. Aburras, P. Bernstein, X. Chaud, M. Muralidhar et al., J. Appl. Phys, vol.11610, 2014.

C. P. Bean, Magnetization of Hard Superconductors, Physical Review Letters, vol.248, issue.6, pp.250-253, 1962.
DOI : 10.1098/rsta.1955.0011

H. Cao, N. Moutalbi, C. Harnois, R. Hu, J. Li et al., , pp.68-74, 2010.

G. Bashar, Aimantation de pastilles supraconductrices, 2015.

M. Ainslie, . Fujishiro, . Ujiie, A. Zou, Y. Dennis et al., Modelling and comparison of trapped fields in (RE)BCO bulk superconductors for activation using pulsed field magnetization, Superconductor Science and Technology, vol.27, issue.6, p.65008, 2014.
DOI : 10.1088/0953-2048/27/6/065008

M. Ainslie, . Fujishiro, . Mochizuki, Y. Takahashi, D. Shi et al., Enhanced trapped field performance of bulk high-temperature superconductors using split coil, pulsed field magnetization with an iron yoke, Superconductor Science and Technology, vol.29, issue.7, p.74003, 2016.
DOI : 10.1088/0953-2048/29/7/074003

M. , A. , and H. Fujishiro, Modelling of bulk superconductor Magnetization, Supercond. Sci. Technol, vol.28, p.53002, 2015.

H. Fujishiro, M. Mochizuki, T. Ainslie, and . Naito, Trapped field of 1.1T without flux jumps in an MgB2 bulk during pulsed field magnetization using a split coil with a soft iron yoke, Supercond. Sci. Technol, vol.29, p.8400, 2016.

, Conclusion générale