C. Quarti, G. Grancini, E. Mosconi, P. Bruno, J. M. Ball et al., The Raman Spectrum of the CH 3 NH 3 PbI 3 Hybrid Perovskite: Interplay of Theory and Experiment, The Journal of Physical Chemistry Letters, vol.5, pp.279-284, 2014.

A. M. Leguy, J. M. Frost, A. P. Mcmahon, V. G. Sakai, W. Kockelmann et al., The Dynamics of Methylammonium Ions in Hybrid Organic-Inorganic Perovskite Solar Cells, Nature Communications, p.6, 2015.

T. Chen, B. J. Foley, B. Ipek, M. Tyagi, J. R. Copley et al., Rotational Dynamics of Organic Cations in the CH 3 NH 3 PbI 3 Perovskite, Phys. Chem. Chem. Phys, vol.17, pp.31278-31286, 2015.

J. Even, M. Carignano, and C. Katan, Molecular Disorder and Translation/Rotation Coupling in the Plastic Crystal Phase of Hybrid Perovskites, Nanoscale, vol.8, pp.6222-6236, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01242390

L. D. Whalley, J. M. Skelton, J. M. Frost, A. P. Walsh, and . Anharmonicity, Lifetimes, and Thermal Transport in CH 3 NH 3 PbI 3 from Many-body Perturbation Theory, Phys. Rev. B, p.220301, 2016.

A. N. Beecher, O. E. Semonin, J. M. Skelton, J. M. Frost, M. W. Terban et al., Direct Observation of Dynamic Symmetry Breaking above Room Temperature in Methylammonium Lead Iodide Perovskite, ACS Energy Letters, vol.1, pp.880-887, 2016.

A. Amat, E. Mosconi, E. Ronca, C. Quarti, P. Umari et al., Cation-Induced Band-Gap Tuning in Organohalide Perovskites: Interplay of Spin-Orbit Coupling and Octahedra Tilting, Nano Letters, vol.14, pp.3608-3616, 2014.

D. P. Mcmeekin, G. Sadoughi, W. Rehman, G. E. Eperon, M. Saliba et al., A Mixed-cation Lead Mixed-halide Perovskite Absorber for Tandem Solar Cells, Science, vol.351, pp.151-155, 2016.

E. Lora-da-silva, J. M. Skelton, S. C. Parker, and A. Walsh, Phase Stability and Transformations in the Halide Perovskite CsSnI 3, Phys. Rev. B, p.144107, 2015.

C. E. Patrick, K. W. Jacobsen, and K. S. Thygesen, Anharmonic Stabilization and Band Gap Renormalization in the Perovskite CsSnI 3, Phys. Rev. B, p.92, 2015.

Y. Fujii, S. Hoshino, Y. Yamada, and G. Shirane, Neutron-scattering Study on Phase Transitions of CsPbCl 3, Phys. Rev. B, vol.9, pp.4549-4559, 1974.

C. C. Stoumpos and M. G. Kanatzidis, The Renaissance of Halide Perovskites and Their Evolution as Emerging Semiconductors, Accounts of Chemical Research, vol.48, pp.2791-2802, 2015.

J. Brgoch, A. J. Lehner, M. Chabinyc, and R. Seshadri, Ab Initio Calculations of Band Gaps and Absolute Band Positions of Polymorphs of RbPbI 3 and CsPbI 3 : Implications for Main-Group Halide Perovskite Photovoltaics, The Journal of Physical Chemistry C, vol.118, issue.16, pp.27721-27727, 2014.

D. Trots and S. Myagkota, High-temperature Structural Evolution of Caesium and Rubidium Triiodoplumbates, Journal of Physics and Chemistry of Solids, vol.69, pp.2520-2526, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00565442

H. Kawai, G. Giorgi, A. Marini, and K. Yamashita, The Mechanism of Slow Hot-Hole Cooling in Lead-Iodide Perovskite: First-Principles Calculation on Carrier Lifetime from Electron-Phonon Interaction, Nano Letters, vol.15, pp.3103-3108, 2015.

A. Létoublon, S. Paofai, B. Rufflé, P. Bourges, B. Hehlen et al., Elastic Constants, Optical Phonons

H. Perovskite, The Journal of Physical Chemistry Letters, vol.7, pp.3776-3784, 2016.

T. Baikie, N. S. Barrow, Y. Fang, P. J. Keenan, P. R. Slater et al., A combined Single Crystal Neutron/Xray Diffraction and Solid-State Nuclear Magnetic Resonance Study of the Hybrid Perovskites CH 3 NH 3 PbX 3 (X = I, Br and Cl), J. Mater. Chem. A, vol.3, pp.9298-9307, 2015.

S. Baroni, S. De-gironcoli, A. Dal-corso, and P. Giannozzi, Phonons and Related Crystal Properties from Density-Functional Perturbation Theory, Rev. Mod. Phys, vol.73, pp.515-562, 2001.

R. Cowley, Structural Phase Transitions I. Landau Theory, Advances in Physics, vol.29, pp.1-110, 1980.

B. Rousseau and A. Bergara, Giant Anharmonicity Suppresses Superconductivity in AlH 3 under Pressure, Phys. Rev. B, p.82, 2010.

T. Etienne, E. Mosconi, and F. De-angelis, Dynamical Origin of the Rashba Effect in Organohalide Lead Perovskites: A Key to Suppressed Carrier Recombination in Perovskite Solar Cells?, The Journal of Physical Chemistry Letters, vol.7, pp.1638-1645, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01913529

C. K. Moeller, The Structure of Caesium Plumbo Iodide CsPbI 3, Mat. Fys. Medd. Dan . Vid. Sels, p.32, 1959.

C. C. Stoumpos, C. D. Malliakas, and M. G. Kanatzidis, Semiconducting Tin and Lead Iodide Perovskites with Organic Cations: Phase Transitions, High Mobilities, and NearInfrared Photoluminescent Properties, Inorganic Chemistry, vol.52, pp.9019-9038, 2013.

K. Yamada, S. Funabiki, H. Horimoto, T. Matsui, T. Okuda et al., Structural phase transitions of the polymorphs of CsSnI 3 by means of rietveld analysis of the X-ray diffraction, Chemistry Letters, pp.801-804, 1991.

J. Even, L. Pedesseau, J. Jancu, and C. Katan, DFT and k · p modelling of the phase transitions of lead and tin halide perovskites for photovoltaic cells. physica status solidi (RRL)-Rapid Research Letters, vol.8, pp.31-35, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00920121

P. Azarhoosh, S. Mckechnie, J. M. Frost, A. Walsh, and M. Van-schilfgaarde, Research Update: Relativistic origin of slow electron-hole recombination in hybrid halide perovskite solar cells, APL Materials, 2016.

M. Bokdam, T. Sander, A. Stroppa, S. Picozzi, D. D. Sarma et al., Role of Polar Phonons in the Photo Excited State of Metal Halide Perovskites, Scientific Reports, 2016.

A. D. Wright, C. Verdi, R. L. Milot, G. E. Eperon, M. A. Pérez-osorio et al., Electron phonon coupling in hybrid lead halide perovskites, Nature Communications, vol.7, p.11755, 2016.

M. Sendner, P. K. Nayak, D. A. Egger, S. Beck, C. Muller et al., Optical phonons in methylammonium lead halide perovskites and implications for charge transport, Mater. Horiz, vol.3, pp.613-620, 2016.

P. Hohenberg and W. Kohn, Inhomogeneous Electron Gas. Phys. Rev, vol.136, pp.864-871, 1964.

W. Kohn and L. J. Sham, Self-Consistent Equations Including Exchange and Correlation Effects, Phys. Rev, vol.140, pp.1133-1138, 1965.

P. Giannozzi, S. Baroni, N. Bonini, M. Calandra, R. Car et al., Quantum Espresso: a Modular and Open-source Software Project for Quantum Simulations of Materials, Journal of Physics: Condensed Matter, vol.21, p.395502, 2009.
DOI : 10.1088/0953-8984/21/39/395502

URL : https://hal.archives-ouvertes.fr/hal-00717147

A. D. Corso, Pseudopotentials periodic table: From H to Pu, Computational Materials Science, vol.95, pp.337-350, 2014.

H. J. Monkhorst and J. D. Pack, Special Points for Brillouin-zone Integrations, Phys. Rev. B, vol.13, pp.5188-5192, 1976.