V. Garcia, Structures hybrides MnAs/GaAs: de la croissance aux propriétés de transport tunnel polarisé en spin, 2005.

V. Garcia, Resonant tunneling magnetoresistance in MnAs/III-IV/MnAs junctions, Physical Review B, vol.72, 2005.
DOI : 10.1103/physrevb.72.081303

M. Ramsteiner, Electrical spin injection from ferromagnetic MnAs metal layers into GaAs, Physical Review B, vol.87, issue.8, 2002.
DOI : 10.1103/PhysRevLett.87.066803

H. Okamoto, The As?Mn (Arsenic-Manganese) system. Bulletin of Alloy Phase Diagrams 10, pp.549-554, 1989.
DOI : 10.1007/bf02882414

T. Plake, Periodic elastic domains of coexisting phases in epitaxial MnAs films on GaAs, Applied Physics Letters, vol.80, issue.14, 2002.
DOI : 10.1063/1.113340

L. Däweritz, Thickness dependence of the magnetic properties of MnAs films on GaAs(001) and GaAs(113)A: Role of a natural array of ferromagnetic stripes, Journal of Applied Physics, vol.96, issue.9, 2004.
DOI : 10.1088/0268-1242/6/7/026

E. Bauer, Magnetostructure of MnAs on GaAs revisited, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, vol.25, issue.4, 2007.
DOI : 10.1116/1.2746353
URL : https://hal.archives-ouvertes.fr/hal-00193844

M. Tanaka, Molecular beam epitaxy of MnAs thin films on GaAs, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, vol.12, issue.2, p.587095, 1091.
DOI : 10.1116/1.587095

M. Tanaka, Epitaxial ferromagnetic MnAs thin films grown by molecular???beam epitaxy on GaAs: Structure and magnetic properties, Journal of Applied Physics, vol.65, issue.10, 1994.
DOI : 10.1063/1.348151

M. Tanaka, Epitaxial ferromagnetic thin films and heterostructures of Mn-based metallic and semiconducting compounds on GaAs. Physica (Amsterdam) 2E, pp.372-380, 1998.

V. M. Kaganer, Strain-Mediated Phase Coexistence in Heteroepitaxial Films, Physical Review Letters, vol.46, issue.2, pp.341-344, 2000.
DOI : 10.1016/S1359-6454(98)00165-7

V. M. Kaganer, Strain-mediated phase coexistence in MnAs heteroepitaxial films on GaAs: An x-ray diffraction study, Physical Review B, vol.32, issue.228, p.45305, 2002.
DOI : 10.1098/rspa.1909.0021

M. Kästner, C. Herrmann, L. Däweritz, and K. H. Ploog, Atomic scale morphology of self-organized periodic elastic domains in epitaxial ferromagnetic MnAs films, Journal of Applied Physics, vol.92, issue.10, 2002.
DOI : 10.1016/S0039-6028(00)00523-9

M. Tortarolo, Size effects on the phase coexistence in MnAs/GaAs(001) ribbons, Physical Review B, vol.81, issue.22, 2010.
DOI : 10.1063/1.2194407
URL : https://hal.archives-ouvertes.fr/hal-01240954

E. Bauer, Surface Microscopy with Low Energy Electrons. https://doi.org/10, 2014.
DOI : 10.1007/978-1-4939-0935-3

R. Wichtendahl, SMART: An Aberration-Corrected XPEEM/LEEM with Energy Filter, Surface Review and Letters, vol.2, issue.06, pp.1249-1256, 1998.
DOI : 10.1063/1.1145258

E. Bauer, Microscopy of mesoscopic ferromagnetic systems with slow electrons, Surface and Interface Analysis, vol.85, issue.116, pp.1622-1627, 2006.
DOI : 10.3139/146.020957

M. Laufenberg, Observation of thermally activated domain wall transformations, Applied Physics Letters, vol.259, issue.5, 2006.
DOI : 10.1142/S0218625X95000388
URL : https://hal.archives-ouvertes.fr/hal-00154496

A. Barbier, C. Mocuta, and R. Belkhou, Selected synchrotron radiation techniques, Encyclopedia of Nanotechnology, pp.2322-2344978, 1007.
URL : https://hal.archives-ouvertes.fr/cea-01494329

D. Lacour, Indirect localization of a magnetic domain wall mediated by quasi walls, Scientific Reports, vol.99, issue.1, p.9815, 2015.
DOI : 10.1103/PhysRevLett.99.264801
URL : https://hal.archives-ouvertes.fr/hal-01159669

Y. Takagaki, E. Wiebicke, L. Däweritz, and K. Ploog, Fabrication of MnAs microstructures on substrates and their electrical properties, Journal of Solid State Chemistry, vol.179, issue.8, pp.2271-2280, 2006.
DOI : 10.1016/j.jssc.2006.02.008

Y. Takagaki, First-order phase transition in MnAs disks on GaAs (001), Physical Review B, vol.56, issue.12, 2006.
DOI : 10.1103/PhysRev.177.942

L. B. Steren, Combined effects of vertical and lateral confinement on the magnetic properties of MnAs micro and nanoribbons, J. Appl. Phys, vol.120, issue.093905, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01442951

R. Engel-herbert, The nature of charged zig-zag domains in MnAs thin films, Journal of Magnetism and Magnetic Materials, vol.305, issue.2, pp.457-463, 2006.
DOI : 10.1016/j.jmmm.2006.02.083

L. Däweritz, Interplay of stress and magnetic properties in epitaxial MnAs films, Reports on Progress in Physics, vol.69, issue.9, pp.2581-26290034, 1088.
DOI : 10.1088/0034-4885/69/9/R02

R. Engel-herbert, T. Hesjedal, and D. M. Schaadt, Three-dimensional micromagnetic domain structure of MnAs films on GaAs(001): Experimental imaging and simulations, Physical Review B, vol.9, issue.9, 2007.
DOI : 10.1063/1.1790576

C. Mocuta, X-ray diffraction imaging of metal???oxide epitaxial tunnel junctions made by optical lithography: use of focused and unfocused X-ray beams, Journal of Synchrotron Radiation, vol.705, issue.389, pp.355-365, 2013.
DOI : 10.1063/1.1757827
URL : https://hal.archives-ouvertes.fr/cea-01384342

C. E. Murray, Submicron mapping of silicon-on-insulator strain distributions induced by stressed liner structures, Journal of Applied Physics, vol.25, issue.1, 2008.
DOI : 10.1090/qam/99907

C. E. Murray, Nanoscale silicon-on-insulator deformation induced by stressed liner structures, Journal of Applied Physics, vol.109, issue.8, 2011.
DOI : 10.1063/1.2952044

G. A. Chahine, Imaging of strain and lattice orientation by quick scanning X-ray microscopy combined with three-dimensional reciprocal space mapping, Journal of Applied Crystallography, vol.33, issue.2, pp.762-769, 2014.
DOI : 10.1107/S0021889899014375

K. J. Choi, Enhancement of Ferroelectricity in Strained BaTiO3 Thin Films, Science, vol.306, issue.5698, pp.1005-10091103218, 2004.
DOI : 10.1126/science.1103218

Y. Takagaki, Cracking of epitaxial MnAs films on GaAs(001), Journal of Applied Physics, vol.107, issue.2, 2010.
DOI : 10.1116/1.579290

J. Mohanty, Y. Takagaki, T. Hesjedal, L. Däweritz, and K. H. Ploog, Selective etching of epitaxial MnAs films on GaAs(001): Influence of structure and strain, Journal of Applied Physics, vol.164, issue.1, 2005.
DOI : 10.1063/1.1615836

Y. Takagaki, E. Wiebicke, L. Däweritz, and K. H. Ploog, Nonuniform Reactive Ion Etching of MnAs/GaAs Heterostructures: MnAs Nanodots and GaAs Nanocolumns, Japanese Journal of Applied Physics, vol.43, issue.5A, pp.2791-27921347, 2004.
DOI : 10.1143/JJAP.43.2791

A. Snigirev, V. Kohn, I. Snigireva, and B. Lengeler, A compound refractive lens for focusing high-energy X-rays, Nature, vol.384, issue.6604, pp.49-51384049, 1996.
DOI : 10.1038/384049a0

A. Snigirev, V. Kohn, I. Snigireva, A. Souvorov, and B. Lengeler, Focusing high-energy x rays by compound refractive lenses, Applied Optics, vol.37, issue.4, 1998.
DOI : 10.1364/AO.37.000653

B. Lengeler, A microscope for hard x rays based on parabolic compound refractive lenses, Applied Physics Letters, vol.74, issue.26, p.124225, 1999.
DOI : 10.1364/JOSAA.15.001940

B. Lengeler, Refractive x-ray lenses, Journal of Physics D: Applied Physics, vol.38, issue.10A, pp.218-2220022, 1088.
DOI : 10.1088/0022-3727/38/10A/042

P. Kirkpatrick and A. Baez, Formation of Optical Images by X-Rays, Journal of the Optical Society of America, vol.38, issue.9, p.766, 1948.
DOI : 10.1364/JOSA.38.000766

O. Hignette, Submicron focusing of hard x rays with reflecting surfaces at the esrf, Nano- Focusing: Applications and Techniques II, pp.105-116, 2001.

C. David, T. Weitkamp, B. Nöhammer, and J. Van-der-veen, Diffractive and refractive X-ray optics for microanalysis applications, Spectrochimica Acta Part B: Atomic Spectroscopy, vol.59, issue.10-11, pp.1505-1510, 2004.
DOI : 10.1016/j.sab.2004.03.019

A. Snigirev and I. Snigireva, High energy X-ray micro-optics, Comptes Rendus Physique, vol.9, issue.5-6, pp.507-516, 2008.
DOI : 10.1016/j.crhy.2008.02.003

W. Chao, E. H. Anderson, P. Fischer, and D. Kim, Toward sub-10-nm resolution zone plates using the overlay nanofabrication processes Advanced Fabrication Technologies for Micro, Nano Optics and Photonics, vol.688309, 2008.

S. Gorelick, High-efficiency Fresnel zone plates for hard X-rays by 100???keV e-beam lithography and electroplating, Journal of Synchrotron Radiation, vol.109, issue.3, pp.442-446, 2011.
DOI : 10.1016/j.ultramic.2009.07.005
URL : http://journals.iucr.org/s/issues/2011/03/00/ve5005/ve5005.pdf

J. Vila-comamala, Zone-doubled fresnel zone plates for scanning transmission x-ray microscopy. 192?195, 2011.
DOI : 10.1063/1.3625337

P. Delpierre, XPAD: A photons counting pixel detector for material sciences and small-animal imaging. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 572, pp.250-253315, 2007.
URL : https://hal.archives-ouvertes.fr/in2p3-00114589

K. Medjoubi, Detective quantum efficiency, modulation transfer function and energy resolution comparison between CdTe and silicon sensors bump-bonded to??XPAD3S, Journal of Synchrotron Radiation, vol.17, issue.4, pp.486-495, 2010.
DOI : 10.1107/S0909049510013257

K. Medjoubi, Energy resolution of the CdTe-XPAD detector: calibration and potential for Laue diffraction measurements on protein crystals, Journal of Synchrotron Radiation, vol.45, issue.3, pp.323-331, 2012.
DOI : 10.1143/JJAP.45.8842

L. Bourlot and C. , Synchrotron X-ray diffraction experiments with a prototype hybrid pixel detector, Journal of Applied Crystallography, vol.650, issue.1, pp.38-47, 2012.
DOI : 10.1016/j.nima.2010.12.114
URL : https://hal.archives-ouvertes.fr/hal-01203672

C. Mocuta, Beyond the ensemble average: X-ray microdiffraction analysis of single SiGe islands, Physical Review B, vol.63, issue.24, 2008.
DOI : 10.1063/1.2929374

J. Stangl, C. Mocuta, A. Diaz, T. H. Metzger, and G. Bauer, X-Ray Diffraction as a Local Probe Tool, ChemPhysChem, vol.95, issue.468, pp.2923-2930, 2009.
DOI : 10.1017/CBO9780511524356

E. Bauer, Low energy electron microscopy, Reports on Progress in Physics, vol.5710579, pp.895-9380034, 1088.

J. Stöhr, Exploring the microscopic origin of magnetic anisotropies with X-ray magnetic circular dichroism (XMCD) spectroscopy, Journal of Magnetism and Magnetic Materials, vol.200, issue.1-3, pp.470-497, 1999.
DOI : 10.1016/S0304-8853(99)00407-2