Publications

January 2019 Referred Publication


B. A. Piot

[1] Jun Yin, Sergey Slizovskiy, Yang Cao, Sheng Hu, Yaping Yang, Inna Lobanova, Benjamin A. Piot, Seok-Kyun Son, Servet Ozdemir, Takashi Taniguchi, Kenji Watanabe, Kostya S. Novoselov, Francisco Guinea, A. K. Geim, Vladimir Falko, and Artem Mishchenko, “Dimensional reduction, quantum hall effect and layer parity in graphite films,” Nature Physics , – (2019).

[2] L S Bovkun, A V Ikonnikov, V Ya Aleshkin, K E Spirin, V I Gavrilenko, N N Mikhailov, S A Dvoretskii, F Teppe, B A Piot, M Potemski, and M Orlita, “Landau level spectroscopy of valence bands in HgTe quantum wells: effects of symmetry lowering,” Journal of Physics: Condensed Matter 31, 145501 (2019).

[3] Jiangxiazi Lin, Tianyi Han, Benjamin A. Piot, Zefei Wu, Shuigang Xu, Gen Long, Liheng An, Patrick Cheung, Peng- Peng Zheng, Paulina Plochocka, Xi Dai, Duncan K. Maude, Fan Zhang, and Ning Wang, “Determining interaction enhanced valley susceptibility in spin-valley-locked mos2,” Nano Letters, Nano Lett. , – (2019).

[4] Mahabub A. Bhuiyan, Zakhar R. Kudrynskyi, Debarati Mazumder, Jake D. G. Greener, Oleg Makarovsky, Christo- pher J. Mellor, Evgeny E. Vdovin, Benjamin A. Piot, Inna I. Lobanova, Zakhar D. Kovalyuk, Marina Nazarova, Artem Mishchenko, Kostya S. Novoselov, Yang Cao, Laurence Eaves, Go Yusa, and Amalia Patan, “Photoquantum hall effect and light-induced charge transfer at the interface of graphene/inse heterostructures,” Advanced Functional Materials 29, 1805491 (2019).

[5] L. S. Bovkun, A. V. Ikonnikov, V. Ya. Aleshkin, S. S. Krishtopenko, N. N. Mikhailov, S. A. Dvoretskii, M. Potemski, B. Piot, M. Orlita, and V. I. Gavrilenko, “Polarization-sensitive fourier-transform spectroscopy of hgte/cdhgte quantum wells in the far infrared range in a magnetic field,” JETP Letters 108, 329–334 (2018).

[6] L. S. Bovkun, K. V. Maremyanin, A. V. Ikonnikov, K. E. Spirin, V. Ya. Aleshkin, M. Potemski, B. A. Piot, M. Orlita, N. N. Mikhailov, S. A. Dvoretskii, and V. I. Gavrilenko, “Magnetooptics of hgte/cdte quantum wells with giant rashba splitting in magnetic fields up to 34 t,” Semiconductors 52, 1386–1391 (2018).

[7] Hugo Henck, Jose Avila, Zeineb Ben Aziza, Debora Pierucci, Jacopo Baima, Betu¨l Pamuk, Julien Chaste, Daniel Utt, Miroslav Bartos, Karol Nogajewski, Benjamin A. Piot, Milan Orlita, Marek Potemski, Matteo Calandra, Maria C. Asensio, Francesco Mauri, Cl´ement Faugeras, and Abdelkarim Ouerghi, “Flat electronic bands in long sequences of rhombohedral-stacked graphene,” Phys. Rev. B 97, 245421 (2018).

[8] W. Desrat, S. S. Krishtopenko, B. A. Piot, M. Orlita, C. Consejo, S. Ruffenach, W. Knap, A. Nateprov, E. Arushanov, and F. Teppe, “Band splitting in cd3as2 measured by magnetotransport,” Phys. Rev. B 97, 245203 (2018).

[9] W Desrat, M Moret, O Briot, T-H Ngo, B A Piot, B Jabakhanji, and B Gil, “Superconducting ga/gase layers grown by van der waals epitaxy,” Materials Research Express 5, 045901 (2018).

[10] V. V. Rumyantsev, L. S. Bovkun, A. M. Kadykov, M. A. Fadeev, A. A. Dubinov, V. Ya. Aleshkin, N. N. Mikhailov, S. A. Dvoretsky, B. Piot, M. Orlita, M. Potemski, F. Teppe, S. V. Morozov, and V. I. Gavrilenko, “Magnetooptical studies and stimulated emission in narrow gap hgte/cdhgte structures in the very long wavelength infrared range,” Semiconductors 52, 436–441 (2018).

[11] M. Hakl, S. Tchoumakov, I. Crassee, A. Akrap, B. A. Piot, C. Faugeras, G. Martinez, A. Nateprov, E. Arushanov, F. Teppe, R. Sankar, Wei-li Lee, J. Debray, O. Caha, J. Nov´ak, M. O. Goerbig, M. Potemski, and M. Orlita, “Energy scale of dirac electrons in cd3as2,” Phys. Rev. B 97, 115206 (2018).

[12] S. Ruffenach, S. S. Krishtopenko, L. S. Bovkun, A. V. Ikonnikov, M. Marcinkiewicz, C. Consejo, M. Potemski, B. Piot, M. Orlita, B. R. Semyagin, M. A. Putyato, E. A. Emel’yanov, V. V. Preobrazhenskii, W. Knap, F. Gonzalez-Posada, G. Boissier, E. Tourni´e, F. Teppe, and V. I. Gavrilenko, “Magnetoabsorption of dirac fermions in inas/gasb/inas “three-layer” gapless quantum wells,” JETP Letters 106, 727–732 (2017).

[13] G. Martinez, B. A. Piot, M. Hakl, M. Potemski, Y. S. Hor, A. Materna, S. G. Strzelecka, A. Hruban, O. Caha, J. Novk, A. Dubroka, . Draar,  and M. Orlita, “Determination of the energy band gap of bi2se3,” Scientific Reports7, 6891– (2017).

[14] M. Hakl, L. Ohnoutek, M. Veis, . Draar, A. Materna, G. Strzelecka, A. Hruban, A. Slobodeniuk, B. A. Piot, G. Martinez, M. Potemski, and M. Orlita, “The saturation of interband faraday rotation in bi2se3,” EPL (Europhysics Letters) 117, 47006 (2017).

[15] A. Akrap, M. Hakl, S. Tchoumakov, I. Crassee, J. Kuba, M. O. Goerbig, C. C. Homes, O. Caha, J. Nov´ak, F. Teppe, W. Desrat, S. Koohpayeh, L. Wu, N. P. Armitage, A. Nateprov, E. Arushanov, Q. D. Gibson, R. J. Cava, D. van der Marel, B. A. Piot, C. Faugeras, G. Martinez, M. Potemski, and M. Orlita, “Magneto-optical signature of massless kane electrons in cd3as2,” Phys. Rev. Lett. 117, 136401 (2016).

[16] K. Ganzhorn, J. Barker, R. Schlitz, B. A. Piot, K. Ollefs, F. Guillou, F. Wilhelm, A. Rogalev, M. Opel, M. Althammer, S. Gepra¨gs, H. Huebl, R. Gross, G. E. W. Bauer, and S. T. B. Goennenwein, “Spin hall magnetoresistance in a canted ferrimagnet,” Phys. Rev. B 94, 094401 (2016).

[17] J. R. Wallbank, D. Ghazaryan, A. Misra, Y. Cao, J. S. Tu, B. A. Piot, M. Potemski, S. Pezzini, S. Wiedmann, U. Zeitler, T. L. M. Lane, S. V. Morozov, M. T. Greenaway, L. Eaves, A. K. Geim, V. I. Fal’ko, K. S. Novoselov,  and A. Mishchenko, “Tuning the valley and chiral quantum state of dirac electrons in van der waals heterostructures,” Science 353, 575–579 (2016).

[18] B. A. Piot, W. Desrat, D. K. Maude, M. Orlita, M. Potemski, G. Martinez, and Y. S. Hor, “Hole Fermi surface in Bi2Se3  probed by quantum oscillations,” Phys. Rev. B 93, 155206 (2016).

[19] B. A. Piot, W. Desrat, D. K. Maude, D. Kazazis, A. Cavanna, and U. Gennser, “Disorder-induced stabilization of the quantum hall ferromagnet,” Phys. Rev. Lett. 116, 106801 (2016).

[20] L. Ohnoutek, M. Hakl, M. Veis, B. A. Piot, C. Faugeras, G. Martinez, M. V. Yakushev, R. W. Martin, . Draar, A.  Materna,  G.  Strzelecka,  A.  Hruban,  M.  Potemski,    and  M.  Orlita,  “Strong  interband  Faraday  rotation  in  3D topological insulator Bi2Se3,” Scientific Reports 6, 19087– (2016).

[21] S Pezzini, C Cobaleda, B A Piot, V Bellani, and E Diez, “Canted antiferromagnetic to ferromagnetic phase transitionin bilayer graphene,” Journal of Physics: Conference Series 647, 012044 (2015).

[22] J. Kunc, B. A. Piot, D. K. Maude, M. Potemski, R. Grill, C. Betthausen, D. Weiss, V. Kolkovsky, G. Karczewski, and T. Wojtowicz, “Magnetoresistance quantum oscillations in a magnetic two-dimensional electron gas,” Phys. Rev. B 92, 085304 (2015).

[23] T. Ouisse, L. Shi, B. A. Piot, B. Hackens, V. Mauchamp, and D. Chaussende, “Magnetotransport properties of nearly-free electrons in two-dimensional hexagonal metals and application to the Mn+1aXn phases,” Phys. Rev. B 92, 045133 (2015).

[24] Y. Cao, A. Mishchenko, G. L. Yu, E. Khestanova, A. P. Rooney, E. Prestat, A. V. Kretinin, P. Blake, M. B. Shalom, C. Woods, J. Chapman, G. Balakrishnan, I. V. Grigorieva, K. S. Novoselov, B. A. Piot, M. Potemski, K. Watanabe, T. Taniguchi, S. J. Haigh, A. K. Geim,   and R. V. Gorbachev, “Quality heterostructures from two-dimensional crystals unstable in air by their assembly in inert atmosphere,” Nano Letters 15, 4914–4921 (2015).

[25] W Desrat, B A Piot, D K Maude, Z R Wasilewski, M Henini, and R Airey, “W line shape in the resistively detected nuclear magnetic resonance,” Journal of Physics:  Condensed Matter 27, 275801 (2015).

[26] V. T. Renard, B. A. Piot, X. Waintal, G. Fleury, D. Cooper, Y. Niida, D. Tregurtha, A. Fujiwara, Y. Hirayama, and K. Takashina, “Valley polarization assisted spin polarization in two dimensions,” Nat Commun 6, – (2015).

[27] B. Sacépé, J. Seidemann, M. Ovadia, I. Tamir, D. Shahar, C. Chapelier, C. Strunk, and B. A. Piot, “High-field termination of a cooper-pair insulator,” Phys. Rev. B 91, 220508 (R) (2015).

[28] M. Orlita, B. A. Piot, G. Martinez, N. K. Sampath Kumar, C. Faugeras, M. Potemski, C. Michel, E. M. Hankiewicz, T. Brauner Cˇ . Drāsar, S. Schreyeck, S. Grauer, K. Brunner, C. Gould, C. Bru¨ne,  and L. W. Molenkamp, “Magneto-optics of massive dirac fermions in bulk bi2se3,” Phys. Rev. Lett. 114, 186401 (2015).

[29] S. Mukhopadhyay, S. Krämer, H. Mayaffre, H. F. Legg, M. Orlita, C. Berthier, M. Horvatić, G. Martinez, M. Potemski, B. A. Piot, A. Materna, G. Strzelecka, and A. Hruban, “Hyperfine coupling and spin polarization in the bulk of the topological insulator bi2se3,” Phys. Rev. B 91, 081105 (R) (2015).

[30] Minju Shin, Ming Shi, M. Mouis, A. Cros, E. Josse, S. Mukhopadhyay, B. Piot, Gyu-Tae Kim, and G. Ghibaudo, “Experimental and theoretical investigation of magnetoresistance from linear regime to saturation in 14-nm fd-soi mos devices,” Electron Devices, IEEE Transactions on 62, 3–8 (2015).

[31] S. Pezzini, C. Cobaleda, B. A. Piot, V. Bellani, and E. Diez, “Critical point for the canted antiferromagnetic to ferromagnetic phase transition at charge neutrality in bilayer graphene,” Phys. Rev. B 90, 121404 (R) (2014).

[32] C. Betthausen, P. Giudici, A. Iankilevitch, C. Preis, V. Kolkovsky, M. Wiater, G. Karczewski, B. A. Piot, J. Kunc, M. Potemski, T. Wojtowicz, and D. Weiss, “Fractional quantum hall effect in a dilute magnetic semiconductor,” Phys. Rev. B 90, 115302 (2014).

[33] Minju Shin, Ming Shi, Mireille Mouis, Antoine Cros, Emmanuel Josse, Sutirha Mukhopadhyay, Benjamin Piot, Gyu-Tae Kim, and Grard Ghibaudo, “Magnetoresistance mobility characterization in advanced fd-soi n-mosfets,” Solid-State Electronics 103, 229 – 235 (2014).

[34] O.I. Aydin, M. Mouis, A. Cresti, B.A. Piot, T. Hallam, J.L. Thomassin, and G.S. Duesberg, “Low temperature char- acterization of cvd graphene devices fabricated with a scalable process route,” in Proceedings of the11th International Workshop on low temperature electronics (WOLTE) (2014) pp. 89–92.

[35] M.K. Joo, M. Mouis, B. Piot, S. Barreau, M. Shin, Kim G.T.,  and G. Ghibaudo, “Low-temperature characterization of hall and effective mobility in junctionless transistors,” in Proceedings of the11th International Workshop on low temperature electronics (WOLTE) (2014) pp. 85–88.

[36] D.K. Maude, B. Piot, and W. Desrat, “The contact hyperfine interaction and the integer and fractional quantum hall effects,” in Proceedings of the11th International Workshop on low temperature electronics (WOLTE) (2014) pp. 49–52.

[37] G. L. Yu, R. V. Gorbachev, J. S. Tu, A. V. Kretinin, Y. Cao, R. Jalil, F. Withers, L. A. Ponomarenko, B. A. Piot, M. Potemski, D. C. Elias, X. Chen, K. Watanabe, T. Taniguchi, I. V. Grigorieva, K. S. Novoselov, V. I. Fal/’ko, A. K. Geim, and A. Mishchenko, “Hierarchy of hofstadter states and replica quantum hall ferromagnetism in graphene superlattices,” Nat Phys 10, 525–529 (2014).

[38] Przemyslaw Leszczynski, Zheng Han, Aurelien  A.  L.  Nicolet,  Benjamin  A.  Piot,  Piotr  Kossacki,  Milan  Or- lita,  Vincent  Bouchiat,  Denis  M.  Basko,  Marek  Potemski,  and  Clement  Faugeras,  “Electrical  switch  to the resonant magneto-phonon effect in graphene,” Nano Letters 14, 1460–1466 (2014), pMID: 24490748, http://dx.doi.org/10.1021/nl404588g.

[39] W. Desrat, B. A. Piot, S. Krämer, D. K. Maude, Z. R. Wasilewski, M. Henini, and R. Airey, “Dispersive line shape in the vicinity of the ν=1 quantum hall state: Coexistence of knight-shifted and unshifted resistively detected nmr responses,” Phys. Rev. B 88, 241306 (R) (2013).

[40] K. Takashina, Y. Niida, V. T. Renard, B. A. Piot, D. S. D. Tregurtha, A. Fujiwara, and Y. Hirayama, “Spin and valley polarization dependence of resistivity in two dimensions,” Phys. Rev. B 88, 201301 (R) (2013).

[41] Sung Jae Chang, Sorin Cristoloveanu, Maryline Bawedin, Jong Hyun Lee, Jung Hee Lee, S. Mukhopadhyay,  and B. A. Piot, “Magnetoresistance measurements and unusual mobilitiy behavior in FD mosfets,” in Proceedings of the European Solid-State Device Research Conference, ESSDERC 2013, Bucharest, Romania, September 16-20, 2013 (2013) pp. 296–299.

[42] J. A. Alexander-Webber, A. M. R. Baker, T. J. B. M. Janssen, A. Tzalenchuk, S. Lara-Avila, S. Kubatkin, R. Yaki- mova, B. A. Piot, D. K. Maude, and R. J. Nicholas, “Phase space for the breakdown of the quantum hall effect in epitaxial graphene,” Phys. Rev. Lett. 111, 096601 (2013).

[43] M Floser, B A Piot, CL Campbell, DK Maude, M Henini, R Airey, ZR Wasilewski, S Florens, and T Champel, “Classical percolation fingerprints in the high temperature regime of the quantum hall effect,” New Journal of Physics 15, 083027 (2013).

[44] L. A. Ponomarenko, R. V. Gorbachev, G. L. Yu, D. C. Elias, R. Jalil, A. A. Patel, A. Mishchenko, A. S. Mayorov, C. R. Woods, J. R. Wallbank, M. Mucha-Kruczynski, B. A. Piot, M. Potemski, I. V. Grigorieva, K. S. Novoselov, F. Guinea, V. I. Fal’ko,   and A. K. Geim, “Cloning of Dirac fermions in graphene superlattices,” NATURE 497, 594–597 (2013).

[45] S. I. Vedeneev, B. A. Piot, D. K. Maude, and A. V. Sadakov, “Temperature dependence of the upper critical field of FeSe single crystals,” Phys. Rev. B 87 (2013).

[46] S. I. Vedeneev, B. A. Piot, and D. K. Maude, “Gap like structure in a nonsuperconducting layered oxycarbonate Bi2+xSr4xCu2CO3O8+δ single crystal,” PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS 483, 40–44 (2012).

[47] P. Plochocka, P. Y. Solane, R. J. Nicholas, J. M. Schneider, B. A. Piot, D. K. Maude, O. Portugall, and G. L. J. A. Rikken, “Origin of electron-hole asymmetry in graphite and graphene,” Phys. Rev. B 85, 245410 (2012).

[48] B. A. Piot and D. K. Maude, “Magnetic-field-induced Stoner transition in a dilute quantum Hall system,” Phys.Rev. B 85, 195309 (2012).

[49] J. M. Schneider, B. A. Piot, I. Sheikin, and D. K. Maude, “Using the de Haas-van Alphen Effect to Map Out the Closed Three-Dimensional Fermi Surface of Natural Graphite,” Phys. Rev. Lett. 108, 117401 (2012).

[50] M. Stern, B. A. Piot, Y. Vardi, V. Umansky, P. Plochocka, D. K. Maude, and I. Bar-Joseph, “NMR Probing of the Spin Polarization of the ν = 5/2 Quantum Hall State,” Phys. Rev. Lett. 108, 066810 (2012).

[51] J. Kunc, K. Kowalik, F. J. Teran, P. Plochocka, B. A. Piot, D. K. Maude, M. Potemski, V. Kolkovsky, G. Karczewski, and T. Wojtowicz, “Enhancement of the spin gap in fully occupied two-dimensional Landau levels,” Physical Review B 82, 115438 (2010).

[52] Walt A de Heer, Claire Berger, Xiaosong Wu, Mike Sprinkle, Yike Hu, Ming Ruan, Joseph A Stroscio, Phillip N First, Robert Haddon, Benjamin Piot, Clement Faugeras, Marek Potemski, and Jeong-Sun Moon, “Epitaxial graphene electronic structure and transport,” Journal of Physics D 43, 374007 (2010).

[53] B. A. Piot, J. Kunc, M. Potemski, D. K. Maude, C. Betthausen, A. Vogl, D. Weiss, G. Karczewski, and T. Wojtowicz, “Fractional quantum Hall effect in CdTe,” Physical Review B 82, 081307 (R) (2010).

[54] Xiaoqing Zhou, B. A. Piot, M. Bonin, L. W. Engel, S. Das Sarma, G. Gervais, L. N. Pfeiffer, and K. W. West, “Colossal magnetoresistance in an ultraclean weakly interacting 2d fermi liquid,” Phys. Rev. Lett. 104, 216801 (2010).

[55] S. I. Vedeneev, B. A. Piot, and D. K. Maude, “Magnetic field dependence of the superconducting energy gap in Bi2Sr2CaCu2O8+δ probed using break-junction tunneling spectroscopy,” Physical Review B 81, 054501 (2010).

[56] C. R. Dean, B. A. Piot, G. Gervais, L. N. Pfeiffer, and K. W. West, “Current-induced nuclear-spin activation in a two-dimensional electron gas,” Phys. Rev. B 80, 153301 (2009).

[57] B. A. Piot, D. K. Maude, U. Gennser, A. Cavanna, and D. Mailly, “Interplay among spin, orbital effects, and localization in a GaAs two-dimensional electron gas in a strong in-plane magnetic field,” Physical Review B 80, 115337 (2009).

[58] B.A. Piot, C.R. Dean, G. Gervais, Z. Jiang, L. W. Engel, L. Pfeiffer, and K. West, “Distortion of the 2d wigner crystal into a ’quasi-3d’ insulator,” International Journal of Modern Physics B (IJMPB) 23, 2713–2717 (2009).

[59] B. A. Piot, Z. Jiang, C. R. Dean, L. W. Engel, G. Gervais, L. N. Pfeiffer, and K. W. West, “Wigner crystallization in a quasi-three-dimensional electronic system,” Nat Phys 4, 936–939 (2008).

[60] C. R. Dean, B. A. Piot, P. Hayden, S. Das Sarma, G. Gervais, L. N. Pfeiffer,  and K. W. West, “Contrasting behavior of the 5  and 7  fractional quantum hall effect in a tilted field,” Phys. Rev. Lett. 101, 186806 (2008).

[61] C. R. Dean, B. A. Piot, P. Hayden, S. Das Sarma, G. Gervais, L. N. Pfeiffer,  and K. W. West, “Intrinsic Gap of theν=5/2 Fractional Quantum Hall State,” Phys. Rev. Lett. 100, 146803 (2008).

[62] C.R. Dean, B.A. Piot, L.N. Pfeiffer, K.W. West, and G. Gervais, “Resistively detected NMR in quantum Hall states: Investigation of the anomalous line shape near ν = 1 ,” 17th International Conference on Electronic Properties of Two-Dimensional Systems, Physica E 40, 990–994 (2008).

[63] B. A. Piot, D. K. Maude, M. Henini, Z. R. Wasilewski, J. A. Gupta, U. Gennser, A. Cavanna, D. Mailly, R. Airey, and G. Hill, “Determination of the Landau level shape via the transition to the spin polarized state in the integer quantum Hall effect,” Physica E 40, 1200–1201 (2008), 17th International Conference on Electronic Properties of Two-Dimensional Systems, Genoa, Italy, Jul 15-20, 2007.

[64] B. A. Piot, D. K. Maude, M. Henini, Z. R. Wasilewski, J. A. Gupta, K. J. Friedland, R. Hey, K. H. Ploog, U. Gennser, A. Cavanna, D. Mailly, R. Airey, and G. Hill, “Influence of the single-particle Zeeman energy on the quantum Hall ferromagnet at high filling factors,” Physical Review B 75, 155332 (2007).

[65] B. A. Piot, D. K. Maude, K. J. Friedland, R. Hey, K. H. Ploog, Z. R. Wasilewski, M. Henini, R. Airey, G. Hill, A. I. Toropov, U. Gennser, A. Cavanna,  and D. Mailly, “Magnetic-field-induced Stoner transition in a quantum Hall ferromagnet at high filling factors,” in Physics of Semiconductors, Pts A and B , AIP Conference Proceedings, Vol. 893, edited by Jantsch, W and Schaffler, F (2007) pp. 651–652, 28th International Conference on the Physics of Semiconductors (ICPS-28), Vienna, Austria, Jul 24-28, 2006.

[66] V. A. Chitta, W. Desrat, D. K. Maude, B. A. Piot, N. F. Oliveira, Jr., P. H. O. Rappl, A. Y. Ueta, and E. Abramof, “Integer quantum Hall effect in a PbTe quantum well,” Physica E 34, 124–127 (2006), 16th International Conference on the Electronic Properties of Two-Dimensional Systems (EP2DS-16), Albuquerque, NM, Jul 10-15, 2005.

[67] B. A. Piot, D. K. Maude, M Henini, Z. R. Wasilewski, K. J. Friedland, R Hey, K. H. Ploog, A. I. Toropov, R Airey, and G Hill, “Quantum Hall ferromagnet at high filling factors: A magnetic-field-induced Stoner transition,” Physical Review B 72, 245325 (2005).

[68] V. A. Chitta, W Desrat, D. K. Maude, B. A. Piot, N. F. Oliveira, P. H. O. Rappl, A. Y. Ueta, and E Abramof, “Multivalley transport and the integer quantum Hall effect in a PbTe quantum well,” Physical Review B 72, 195326 (2005).

[69] B. A. Piot, D. K. Maude, Z. R. Wasilewski, K. J. Friedland, R Hey, K. H. Ploog, L Eaves, M Henini, R Airey, and G Hill, “Further evidence for a collapse of the exchange-enhanced spin splitting in two dimensional systems,”

International Journal Of Modern Physics B 18, 3597–3602 (2004), 16th International Conference on High Magnetic Fields in Semiconductor Physics, Tallahassee, FL, Aug 02-06, 2004.

[70] B. A. Piot, D. K. Maude, M Henini, Z. R. Wasilewski, K. J. Friedland, R Hey, K. H. Ploog, A. I. Toropov, R Airey,
and G Hill, \Quantum Hall ferromagnet at high lling factors: A magnetic- eld-induced Stoner transition, » Physical
Review B 72, 245325 (2005).
[71] V. A. Chitta, W Desrat, D. K. Maude, B. A. Piot, N. F. Oliveira, P. H. O. Rappl, A. Y. Ueta, and E Abramof,
\Multivalley transport and the integer quantum Hall e ect in a PbTe quantum well, » Physical Review B 72, 195326
(2005).
[72] B. A. Piot, D. K. Maude, Z. R. Wasilewski, K. J. Friedland, R Hey, K. H. Ploog, L Eaves, M Henini, R Airey,
and G Hill, \Further evidence for a collapse of the exchange-enhanced spin splitting in two dimensional systems, »
International Journal Of Modern Physics B 18, 3597{3602 (2004), 16th International Conference on High Magnetic
Fields in Semiconductor Physics, Tallahassee, FL, Aug 02-06, 2004.

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