N. A. Hill, Why Are There so Few Magnetic Ferroelectrics?, The Journal of Physical Chemistry B, vol.104, issue.29, pp.6694-6709, 2000.
DOI : 10.1021/jp000114x

T. Kimura, T. Goto, H. Shintani, K. Ishizaka, T. Arima et al., Magnetic control of ferroelectric polarization, Nature, vol.36, issue.88, pp.426-55, 2003.
DOI : 10.1051/jphys:01975003609080300

N. Hur, S. Park, P. A. Sharma, J. S. Ahn, S. Guha et al., Electric polarization reversal and memory in a multiferroic material induced by magnetic fields, Nature, vol.204, issue.288, pp.429-392, 2004.
DOI : 10.1080/00150199708222192

N. Spaldin and M. Fiebig, MATERIALS SCIENCE: The Renaissance of Magnetoelectric Multiferroics, Science, vol.309, issue.5733, pp.391-392, 2005.
DOI : 10.1126/science.1113357

]. G. Bos, C. V. Colin, and T. T. Palstra, Magnetoelectric coupling in the cubic ferrimagnet Cu2OSeO3, pp.94416-94422, 2008.
DOI : 10.1103/PhysRevB.75.174435

W. Bai, G. Chen, J. Y. Zhu, J. Yang, T. Lin et al., Dielectric responses and scaling behaviors in Aurivillius Bi 6Ti 3Fe 2O 18 multiferroic thin films, pp.1-5, 2012.

]. C. Alarcon-suesca, J. A. Cardona-vasquez, J. P. Salcedo-fontecha, and A. ,

, Bi4LaSmFe2Ti3O18 multiferroic material, pp.49-52, 2014.

R. Seshadri and N. A. Hill, Chemistry of Materials, vol.13, issue.9, pp.2892-2899, 2001.
DOI : 10.1021/cm010090m

, Spiral Magnets as Magnetoelectrics, Annu. Rev. Mater. Res, vol.37, pp.387-413, 2007.

Y. Tokura and S. Seki, Multiferroics with Spiral Spin Orders, Advanced Materials, vol.101, issue.14, pp.1554-1565, 2010.
DOI : 10.1103/PhysRevLett.101.037209

D. Khomskii, Classifying multiferroics: Mechanisms and effects, Physics (College. Park. Md, 2009.

A. H. Arkenbout, T. T. Palstra, T. Siegrist, and T. Kimura, Ferroelectricity in the cycloidal spiral magnetic phase of MnWO4, Phys. Rev. B -Condens. Matter Mater. Phys, 2006.

T. Kimura, Y. Sekio, H. Nakamura, T. Siegrist, and P. Ramirez, Cupric oxide as an induced-multiferroic with high-TC, Nature Materials, vol.7, issue.4, pp.291-294, 2008.
DOI : 10.1016/S0022-0248(02)02230-3

V. Caignaert, A. Maignan, K. Singh, C. Simon, V. Pralong et al.,

L. C. Huq and . Chapon, Gigantic magnetic-field-induced polarization and magnetoelectric coupling in a ferrimagnetic oxide CaBaCo4O7, Phys. Rev. B -Condens. Matter Mater. Phys, pp.88-174403, 2013.
URL : https://hal.archives-ouvertes.fr/hal-01954049

G. Will, B. C. Frazer, G. Shirane, D. E. Cox, and P. J. Brown, Journal of Applied Physics, vol.36, issue.3, pp.36-1095, 1965.
DOI : 10.1103/PhysRev.125.1283

P. Narayanchar, P. Basaveswara-rao, and M. Aneesuddin, DTA studies on preparation of MnSO4 by reacting pyrite and pyrolusite at high temperatures, Journal of Thermal Analysis, vol.45, issue.5, pp.1553-1560, 1989.
DOI : 10.1007/BF01912932

Z. Shen, M. Johnsson, Z. Zhao, and M. Nygren, Spark Plasma Sintering of Alumina, Journal of the American Ceramic Society, vol.209, issue.4, pp.1921-1927, 2002.
DOI : 10.1016/0921-5093(95)10155-1

R. L. Coble, Sintering Alumina: Effect of Atmospheres, Journal of the American Ceramic Society, vol.37, issue.2, pp.123-127, 1962.
DOI : 10.1063/1.1736108

T. Herisson-de-beauvoir, A. Sangregorio, I. Cornu, C. Elissalde, and M. Josse, Cool-SPS: an opportunity for low temperature sintering of thermodynamically fragile materials, Journal of Materials Chemistry C, vol.19, issue.11, 2018.
DOI : 10.1107/S0365110X65004462
URL : https://hal.archives-ouvertes.fr/hal-01766414

G. , The crystal structure of MnSO4, Acta Crystallographica, vol.19, issue.5, pp.854-857, 1965.
DOI : 10.1107/S0365110X65004462

Y. Le-fur, J. Coing-boyat, G. Bassim, =. Mn, . Fe et al., Structure des sulfates monohydrates, monocliniques, des metaux de transition, Comptes Rendus Hebd. Des Seances l, pp.4-262, 1966.

A. Kirfel and G. , New high temperature phase of MnSO4, High Temp, pp.525-527, 1974.

J. Guo, H. Guo, A. L. Baker, M. T. Lanagan, E. R. Kupp et al., Cold Sintering : A Paradigm Shift for Processing and Integration of Ceramics, Angew. Chemie Commun, pp.55-56, 2016.

J. Guo, S. S. Berbano, H. Guo, A. L. Baker, M. T. Lanagan et al., Cold Sintering Process of Composites : Bridging the Processing Temperature Gap of Ceramic and Polymer Materials, Adv

, Funct. Mater, vol.26, pp.1-7, 2016.

S. Funahashi, J. Guo, H. Guo, K. Wang, A. L. Baker et al., Demonstration of the cold sintering process study for the densification and grain growth of ZnO ceramics, Journal of the American Ceramic Society, vol.16, issue.2
DOI : 10.1088/1468-6996/16/2/025008

, Am. Ceram. Soc, vol.6, pp.1-6, 2016.

B. Dargatz, J. Gonzalez-julian, M. Bram, P. Jakes, A. Besmehn et al., FAST/SPS sintering of nanocrystalline zinc oxide???Part I: Enhanced densification and formation of hydrogen-related defects in presence of adsorbed water, Journal of the European Ceramic Society, vol.36, issue.5, pp.36-1207, 2016.
DOI : 10.1016/j.jeurceramsoc.2015.12.009

B. Dargatz, J. Gonzalez-julian, M. Bram, Y. Shinoda, F. Wakai et al., FAST/SPS sintering of nanocrystalline zinc oxide???Part II: Abnormal grain growth, texture and grain anisotropy, Journal of the European Ceramic Society, vol.36, issue.5
DOI : 10.1016/j.jeurceramsoc.2015.12.008

, Ceram. Soc, vol.36, pp.1221-1232, 2016.

J. Nie, Y. Zhang, J. M. Chan, R. Huang, and J. Luo, Water-assisted flash sintering: Flashing ZnO at room temperature to achieve ~ 98% density in seconds, Scripta Materialia, vol.142, pp.142-79, 2018.
DOI : 10.1016/j.scriptamat.2017.08.032

C. Bousquet, C. Elissalde, C. Aymonier, M. Maglione, F. Cansell et al., Tuning Al2O3 crystallinity under supercritical fluid conditions: Effect on sintering, Journal of the European Ceramic Society, vol.28, issue.1, pp.28-223, 2008.
DOI : 10.1016/j.jeurceramsoc.2007.06.005
URL : https://hal.archives-ouvertes.fr/hal-00189707

Y. Allain, J. P. Krebs, and J. D. Gunzbourg, O, Journal of Applied Physics, vol.264, issue.2, pp.1124-1125, 1968.
DOI : 10.1016/0031-8914(66)90118-2
URL : https://hal.archives-ouvertes.fr/hal-01505998

J. Solyom, On the theory of magnetic phase transitions I, Physica, vol.32, issue.7, pp.32-1243, 1966.
DOI : 10.1016/0031-8914(66)90118-2

Y. Tokura, S. Seki, and N. Nagaosa, Multiferroics of spin origin, Reports Prog, Phys, vol.77, issue.76501, 2014.
DOI : 10.1088/0034-4885/77/7/076501