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Alexandre Pourret

Phone: 04 38 78 39 51
Fax: 04 38 78 50 96 (research) (teaching)

Associate Professor (Maître de conférences) at the University Grenoble Alpes (UGA) attached to the PHELIQS laboratory (IMAPEC Group), Grenoble, France.

Research Interests
• strongly correlated electron systems
• superconducting fluctuations
• quantum critical point
• metamagnetic and lifshitz transitions
• ferromagnetic superconductors

Experimental technics
• thermoelectric measurements (Nernst effect and thermoelectric power)
• high magnetic field measurements
• high pressure techniques

2010-...... Associate Professor at the University Joseph Fourier (UJF), Grenoble, France.
2009-2010 Temporary Assistant Professor (ATER) at the University Paris 6 in Laboratoire Physique Et Matière (LPEM), France.
2007-2009 Post-doc at University of Chicago in the James Frank Institute (JFI), U.S.A.
2004-2007 Ph.D at the University Paris 6 in Laboratoire Physique Et Matière (LPEM), France. (see document)
2003-2004 Master 2 at the University Joseph Fourier (UJF), Grenoble, France.

PhD supervisor
• 2011-2014 Alexandra Palacio Morales from University of Madrid (Spain), currently PostDoc in University of Hamburg (Germany) (see PhD thesis)
• 2013-2016 Adrien Gourgout from ESPCI in Paris (France), currently PostDoc in University of Sherbrooke (Canada) (see PhD thesis)

Scientific publications
38) D. Braithwaite, D. Aoki, J. P. Brison, J. Flouquet, G. Knebel, A. Nakamura, and A. Pourret, "Dimensionality Driven Enhancement of Ferromagnetic Superconductivity in URhGe" Phys. Rev. Lett. 120, 037001 (2018) arXi

37) A. Pourret, M.-T. Suzuki, A. Palaccio Morales, G. Seyfarth, G. Knebel, D. Aoki, J. Flouquet, "Fermi Surfaces in the Antiferromagnetic, Paramagnetic and Polarized Paramagnetic States of CeRh2Si2Compared with Quantum Oscillation Experiments"J. Phys. Soc. Jpn. 86, 084702 (2017) arXiv

36) T. Yoshida, Y. Machida, K. Izawa, Y. Shimada, N. Nagasawa, T. Onimaru, T. Takabatake, A. Gourgout, A. Pourret, G. Knebel, and J.-P. Brison, "Anisotropic B–T Phase Diagram of Non-Kramers System PrRh2Zn20"J. Phys. Soc. Jpn. (editors suggestion) 86, 044711 (2017) arXiv

35) T. Combier, A. Palacio-Morales, J.-P. Sanchez, F. Wilhelm, A. Pourret, J.-P. Brison, D. Aoki, and A. Rogalev, "Microscopic Magnetic Properties of the Itinerant Metamagnet UCoAl by X-ray Magnetic Circular Dichroism" J. Phys. Soc. Jpn. 86, 024712 (2017)

34) G. Bastien, A. Gourgout, D. Aoki, A. Pourret et al., "Lifshitz Transitions in the Ferromagnetic Superconductor UCoGe", Phys. Rev. Lett. 117, 206401 (2016) arXi

33) A. Gourgout, A. Pourret, et al., "Collapse of Ferromagnetism and Fermi Surface Instability near Reentrant Superconductivity of URhGe", Phys. Rev. Lett. 117, 046401 (2016) arXiv

32) A. Palacio-Morales, A. Pourret, et al., "Thermoelectric power quantum oscillations in the ferromagnet UGe2", Phys. Rev. B 93, 155120 (2016) arXiv

31) D. Aoki,G. Seyfarth, A. Pourret, et al., "Field-Induced Lifshitz Transition without Metamagnetism in CeIrIn5", Phys. Rev. Lett. 116, 037202 (2016) arXiv

30) Y. Shimizu, A. Pourret, G. Knebel, A. Palacio-Morales, and D. Aoki,“Non-Fermi-liquid nature and exotic thermoelectric power in the heavy-fermion superconductorUBe13, Phys. Rev. B (rapid communication) 92, 241101 (2015)

29) A. Palacio-Morales, A. Pourret, G. Seyfarth, M.T. Suzuki, D. Braithwaite, G. Knebel, D. Aoki, and J. Flouquet,Fermi surface instabilities in CeRh2Si2 at high magnetic field and pressure, Phys. Rev. B (editors suggestion) 91, 245129 (2015) arXi

28) A. Palacio-Morales, A. Pourret, G. Knebel, D. Aoki, D. Braithwaite, and J. Flouquet, “Phase diagram of CeRh2Si2 under pressure studied by thermopower measurements”, Journal of Physics Conference Series 592, 012002 (2015)

27) X. Lin, A. Gourgout, G. Bridoux, F. Jomard, A. Pourret, B. Fauqué, D. Aoki, and K. Behnia,Multiple nodeless superconducting gaps in optimally doped SrTi1-xNbxO3”, Phys. Rev. B (editors suggestion, rapid communication) 90, 140508 (2015) arXiv

26) M. Boukahil, A. Pourret, G. Knebel, D. Aoki, Y. Onuki, and J. Flouquet,“Lifshitz transition and metamagnetism: Thermoelectric studies of CeRu2Si2, Phys. Rev. B 90, 075127 (2014) arXiv

25) D. Aoki , A. Gourgout, A. Pourret, G. Bastien, G. Knebel, and J. Flouquet,Spin fluctuation and Fermi surface instability in ferromagnetic superconductors, C. R. Physique, 15, 630 (2014)

24) A. Pourret, D. Aoki, M. Boukahil, J.-P. Brison, W. Knafo, G. Knebel, S. Raymond, M. Taupin, Y. Onuki, J. Flouquet, “Quantum criticality and Lifshitz transition in the Ising system CeRu2Si2: Comparison with YbRh2Si2”, J. Phys. Soc. Jpn. 83, 061002 (2014) arXiv

23) G. W. Scheerer, W. Knafo, D. Aoki, M. Nardone, A. Zitouni, J. Béard, J. Billette, J. Barata, C. Jaudet, M. Suleiman, P. Frings, L. Drigo, A. Audouard, T.D. Matsuda, A. Pourret, G. Knebel, J. Flouquet,“Fermi surface in the hidden-order state of URu2Si2under intense pulsed magnetic fields up to 81T”, Phys. Rev. B 89, 165107 (2014)

22) Y. Machida, K. Izawa, D. Aoki, G. Knebel, A. Pourret, J. Flouquet,“Magnetic Field Driven Electronic Singularities through Metamagnetic Phenomena: Case of the Heavy Fermion Antiferromagnet Ce(Ru0.92Rh0.08)2Si2”, J. Phys. Soc. Jpn. 82, 054704(2013)

21) A. Pourret, G. Knebel, T. Matsuda, G. Lapertot, J. Flouquet,“Magnetic Polarization and Fermi Surface Instability: Case of YbRh2Si2”, J. Phys. Soc. Jpn. 82, 053704(2013) arXiv

20) A. Palacio-Morales, A. Pourret et al.,“Metamagnetic Transition in UCoAl Probed by Thermoelectric Measurements”, Phys. Rev.Lett. 110, 116404 (2013) arXiv

19) A. Pourret et al.,“Fermi Surface Reconstruction inside the Hidden Order Phase of URu2Si2Probed by Thermoelectric Measurements”, J. Phys. Soc. Jpn. 82, 034706 (2013) arXiv

18) H. Aoki , H. Sato, D.Kikuchi, H.Sugawara, A. Pourret, K. Behnia, S.Uji, T. Terashima, Y. Aoki, “Characterization of the Mysterious High Field Ordered Phase around H parallel to [111]and Finding of a New Phase Boundary in PrFe4P12”, J. Phys. Soc. Jpn. 81, 084703 (2012)

17) L. Malone, A. Pourret et al., Thermoelectricity of the ferromagnetic superconductor UCoGe, Phys. Rev. B 85, 024526 (2012) arXiv

16) A. Pourret et al., “Strong correlation and low carrier density in Fe1+yTe0.6Se0.4 as seen from its thermoelectric response”, Phys. Rev. B (editors suggestion) 83, 020504(R) (2011) arXiv

15) H. Liu, A .Pourret, and P. Guyot-Sionnest , “Mott and Efros-Shklovskii Variable Range Hopping in CdSe Quantum Dots Films”, ACS Nano 4, 5211 (2010)

14) A. Pourret, A. Ramirez, and P. Guyot-Sionnest, “Magnetoresistance of CdSe/CdS quantum dot films”, Appl. Phys. Lett. 95, 142105 (2009)

13) A. Pourret,P. Spathis, H. Aubin, K. Behnia, “Nernst effect as a probe of superconducting fluctuations in disordered thin films”, New Journal of Physics 11, 055071 (2009) arXiv

12) A. Pourret, P. Guyot-Sionnest and J. W. Elam,“Atomic Layer Deposition of ZnO in Quantum Dot Thin Films, Adv. Mater. 21, 232 (2009)

11) C. A. Marrache-Kikuchi, H. Aubin, A. Pourret, K. Behnia, J. Lesueur, L. Bergé and L. Dumoulin, “Thickness-tuned superconductor-insulator transitions under magnetic field in a-NbSi”, Phys. Rev. B 78, 144520 (2008) arXiv

10) A. Pourret et al., “The ground state of PrFe4P12 probed by thermal and thermoelectric transport”, J. Phys. Soc. Jpn. 77, Suppl. A, 102–107 (2008)

9) P. Spathis, H. Aubin, A. Pourretand K. Behnia, “Nernst effect in the phase-fluctuating superconductor InOx”, Europhys.Lett. 83, 57005 (2008) arXiv

8) A. Pourretet al.,“Length scale for the superconducting Nernst signal above Tc”, “A length scale for the superconducting Nernst signal above Tc”, Phys. Rev. B 76, 214504 (2007) arXiv

7) C.A. Marrache-Kikuchi, H. Aubin, A. Pourret, K. Behnia, L. Berge, L. Dumoulin, J. Lesueur, “Thickness and magnetic field-tuned superconductor-insulator transitions in a-Nb15Si85”, Low Temperature Physics, Pts A and B 850, 965 (2006)

6) K. Behnia, R. Bel, A. Pourret, K. Izawa, J. Flouquet, Y. Nakajima, Y. Matsuda, D. Kikuchi, Y. Aoki, H. Sugawara, “Giant Nernst effect in heavy-electron metals, J. Mag. Mag. Mat. 310, 446 (2007)

5) A. Pourret et al., “Observation of the Nernst signal generated by fluctuating Cooper pairs”, Nature Phys. 2, 683 (2006) arXiv

4) A. Pourret, et al., “Drastic change in transport of entropy with quadrupolar ordering in PrFe4P12”, Phys. Rev. Lett. 96, 176402 (2006) arXiv

3) H. Aubin, C.A. Marrache-Kikuchi, A. Pourret, K. Behnia, L. Berge, L. Dumoulin & J. Lesueur, “Magnetic field-induced quantum superconductor-insulator”, Phys. Rev. B 73, 094521 (2006) arXiv

2) G. Knebel, R. Boursier, E. Hasinger, G. Lapertot, P. G. Niklowitz, A. Pourret, B. Salce, J. P. Sanchez, I. Sheikini, P. Bonville, H. Harima and J. Flouquet, “Localizationof 4f state in YbRh2Si2 under magnetic field and high pressure: Comparison with CeRh2Si2”, J. Phys. Soc. Jpn. (editors suggestion) 75, 114709 (2006)

1) G. Knebel, V. Glazkov, A. Pourret, P.G. Niklowitz, G. Lapertot, B. Salce and J. Flouquet, “High-pressure phase diagram of YbRh2Si2”, Phys.B: Cond. Mat. 359, 20 (2005)

Univ. Grenoble Alpes

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