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Yale University |
Selected
Publications
NEW!
- Magnetoelectric effects in complex oxides with competing ground states. H. J. A. Molegraaf, J. Hoffman, C. A. F. Vaz, S. Gariglio, D. van der Marel, C. H. Ahn, and J.-M. Triscone, Advanced Materials, 21:xxxx, 2009.
- Growth and characterization of thin epitaxial Co3O4(111) films. C. A. F. Vaz, V. E. Henrich, C. H. Ahn, and E. I. Altman, Journal of Crystal Growth, 311:2648, 2009.
- High-Mobility Few-Layer Graphene Field Effect Transistors Fabricated on Epitaxial Ferroelectric Gate Oxides. X. Hong, A. Posadas, K. Zou, C. H. Ahn, and J. Zhu, Phys. Rev. Lett. 102, 136808 (2009).
- Atomic Structure of the Epitaxial BaO/Si(001) Interface. Y. Segal, J. W. Reiner, A. M. Kolpak, Z. Zhang, S. Ismail-Beigi, C. H. Ahn, and F. J. Walker, Phys. Rev. Lett. 102, 116101 (2009).
- Magnetoresistance tensor of La0.8Sr0.2MnO3. Y. Bason, J. Hoffman, C. H. Ahn, and L. Klein, Phys. Rev. B 79, 092406 (2009).
- Atomically Engineered Oxide Interfaces. J.W. Reiner, F.J. Walker, C.H. Ahn, Science 323:1018 (2009).
- Spin-polarisation effects in oxide materials. C. A. F. Vaz, C. H. Ahn, and V. E. Henrich. In A. Hirohata and Y. Otani, editors, Epitaxial ferromagnetic films and spintronic applications, In press. Research Signpost, 2009
- Modulation of magnetic anisotropy of magnetite in Fe3O4/BaTiO3(100) epitaxial structures. C. A. F. Vaz, J. Hoffman, A.-B. Posadas, C. H. Ahn, Appl. Phys. Lett., 94:022504, 2009.
- Interface and electronic characterization of thin epitaxial Co3O4 films. C. A. F. Vaz, H. Wang, C. H. Ahn, V. E. Henrich, M. Z. Baykara, T.Schwendemann, N. Pilet, B. J. Albers, U. D. Schwarz, L. H. Zhang, and Y. Zhu, J. Wang, E. I. Altman, Surface Science, 603:291, 2009.
- A study on epitaxial piezoelectric thin films grown on silicon for energy scavenging applications. D. Isarakorn, D. Briand, S. Gariglio, A. Sambri, N. Stucki, J.-M. Triscone, F. Guy, J.W. Reiner, C.H. Ahn, N.F. de Rooij. Proceedings of PowerMEMS 2008+ microEMS2008, Sendai, Japan, November 9-12, (2008), pp. 269-272.
- Establishment of a technology platform for epitaxial piezoelectric MEMS. D. Isarakorn, D. Briand, S. Gariglio, A. Sambri, N. Stucki, J.-M. Triscone, F. Guy, S.-H. Baek, C.-B. Eom, J. W. Reiner, C. H. Ahn, and N. F. de Rooij. Eurosensors XXII, Dresden, Germany, 2008, pp. 819-822.
- Clear leap for superconductors. D.G. Schlom and C.H. Ahn, Nature, 456: 582, 2008.
- Polarization switching using single-walled carbon nanotubes grown on epitaxial ferroelectric thin films. P. Paruch, A.-B. Posadas, M. Dawber, C.H. Ahn, and P.L. McEuen, Appl. Phys. Lett., 93: 132901, 2008.
- The role of strontium in oxide epitaxy on silicon (001). J.W. Reiner, K.F. Garrity, F.J. Walker, S. Ismail-Beigi, and C.H. Ahn, Phys. Rev. Lett., 101: 105503, 2008.
- Epitaxial MgO as an alternative gate dielectric for SiC transistor applications). A. Posadas, F.J. Walker, C.H. Ahn, T.L. Goodrich, Z. Cai, and K.S. Ziemer, Appl. Phys. Lett., 92: 233511, 2008.
- Growth and stuctural properties of crystalline LaAlO3 on Si(001). J.W. Reiner, A. Posadas, M. Wang, T.P. Ma, C.H. Ahn, MICROELECTRONIC ENGINEERING, 85: 36, 2008.
- Physics of Ferroelectrics: A Modern Perspective, K.M. Rabe, C.H. Ahn, and J.-M. Triscone, eds. (Springer-Verlag, Heidelberg, 2007)
- Modern Physics of Ferroelectrics: Essential Background. in Physics of Ferroelectrics: A Modern Perspective, K.M. Rabe, C.H. Ahn, and J.-M. Triscone, eds. (Springer-Verlag, Heidelberg, 2007), pp. 1-30.
- Growth and Novel Applications of Epitaxial Oxide Thin Films. A. Posadas, M. Lippmaa, F.J. Walker, M. Dawber, C.H. Ahn, and J.-M. Triscone. In Physics of Ferroelectrics: A Modern Perspective, K.M. Rabe, C.H. Ahn, and J.-M. Triscone, eds. (Springer-Verlag, Heidelberg, 2007), pp. 219-304.
- Anisotropic magnetoresistance in colossal magnetoresistive La1-xSrxMnO3 thin films. J.-B. Yau, X. Hong, A. Posadas, C.H. Ahn, W. Gao, E. Altman, Y. Bason, L. Klein, M. Sidorov, and Z. Krivokapic, JOURNAL OF APPLIED PHYSICS 102:103901 (2007).
- Planar Hall effect in epitaxial thin films of magnetite. Y. Bason, L. Klein, H.Q. Wang, J. Hoffman, X. Hong, V.E. Henrich, C.H. Ahn, JOURNAL OF APPLIED PHYSICS 101 (9): Art. No. 09J507 MAY 1 2007
- Monodomain to polydomain transition in ferroelectric PbTiO3 thin films with La0.67Sr0.33MnO3 electrodes. C. Lichtensteiger, M. Dawber, N. Stucki, J.-M. Triscone, J. Hoffman, J-.B. Yau, C.H. Ahn, L. Despont, P. Aebi, APPLIED PHYSICS LETTERS 90 (5): Art. No. 052907 JAN 29 2007
- The effect of electric field effect doping on the anisotropic magnetoresistance in doped manganites. X. Hong, J.-B. Yau, J.D. Hoffman, C.H. Ahn, Y. Bason, L. Klein, PHYSICAL REVIEW B, 74: Art. No.174406, 2006
- Electrostatic Modification of Novel Materials. C.H. Ahn, A. Bhattacharya, M. Di Ventra, J.N. Eckstein, C. Daniel Frisbie, M.E. Gershenson, A.M. Goldman, I.H. Inoue, J. Mannhart, Andrew J. Millis, Alberto F. Morpurgo, Douglas Natelson, Jean-Marc Triscone, REVIEW OF MODERN PHYSICS, 78 (4): 1185, 2006
- Epitaxial multiferroic hexagonal manganite thin films grown on ZnO. Posadas, A;Yau JB, Ahn CH, PHYSICA STATUS SOLIDI B, 243 (9): 2085-2088, 2006
- Planar Hall-effect magnetic random access memory. Bason, Y; Klein, L; Yau, JB; Hong, X; Hoffman, J; Ahn, CH, JOURNAL OF APPLIED PHYSICS, 99 (8): Art. No. 08R701, 2006
- Ferromagnetism and structure of epitaxial Cr-doped anatase TiO2 thin films. Kaspar, TC; Droubay, T; Shutthanandan, V; Heald, SM; Wang, CM; McCready, DE; Thevuthasan, S; Bryan, JD; Gamelin, DR; Kellock, AJ; Toney, MF; Hong, X; Ahn, CH; Chambers, SA, PHYSICAL REVIEW B, 73 (15): Art. No. 155327, 2006
- Epitaxial growth of multiferroic YMnO3 on GaN. Posadas, A; Yau, JB; Ahn, CH; Han, J; Gariglio, S; Johnston, K; Rabe, KM; Neaton, JB, APPLIED PHYSICS LETTERS, 87 (17): Art. No. 171915, 2005
- Examining the screening limit of field effect devices via the metal-insulator transition. Hong, X; Posadas, A; Ahn, CH, APPLIED PHYSICS LETTERS, 86 (14): Art. No. 142501, 2005
- Scanning tunneling microscopy study of terminal oxygen structures on WO3(100) thin films. Li, M; Posadas, A; Ahn, CH; Altman, EI, SURFACE SCIENCE, 579 (2-3): 175-187, 2005
- Reactivity of 1-propanol on p(n x 2) reconstructed WO3(100) thin films. Li, M; Gao, W; Posadas, A; Ahn, CH; Altman, EI, JOURNAL OF PHYSICAL CHEMISTRY B, 108 (39): 15259-15265, 2004
- Ferroelectric stability of BaTiO3 in a crystalline oxide on semiconductor structure. Reiner, JW; Walker, FJ; McKee, RA; Billman, CA; Junquera, J; Rabe, KM; Ahn, CH, PHYSICA STATUS SOLIDI B, 241 (10): 2287-2290, 2004
- Surface phase transitions and related surface defect structures upon reduction of epitaxial WO3(100) thin films: A scanning tunneling microscopy study. Li, M; Altman, EI; Posadas, A; Ahn, CH,JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 22 (4): 1682-1689, 2004
- Giant planar Hall effect in colossal magnetoresistive La0.84Sr0.16MnO3 thin films. Bason, Y; Klein, L; Yau, JB; Hong, X; Ahn, CH, APPLIED PHYSICS LETTERS, 84 (14): 2593-2595, 2004
- Growth and characterization of La0.8Sr0.2MnO3/Pb(Zr0.2Ti0.8)O3/ La0.8Sr0.2MnO3 heterostructures for three-dimensional circuit studies. Hong, X; Xiao, F; Reiner, JW; Posadas, A; Ahn, CH, ANNALEN DER PHYSIK, 13 (1-2): 15-19, 2004
- Magnetism of SrRuO3 thin films under high hydrostatic pressure. Demuer, A; Jaccard, D; Reiner, JW; Ahn, CH; Triscone, JM, ANNALEN DER PHYSIK, 13 (1-2): 72-73, 2004
- Surface phase transitions upon reduction of epitaxial WO3 (100) thin films. Li, M; Altman, EI; Posadas, A; Ahn, CH, THIN SOLID FILMS, 446 (2): 238-247, 2004
- Ferroelectricity at the nanoscale: Local polarization in oxide thin films and heterostructures. Ahn, CH; Rabe, KM; Triscone, JM,SCIENCE, 303 (5657): 488-491, 2004
- Ferroelectric-field-induced tuning of magnetism in the colossal magnetoresistive oxide La1-xSrxMnO3. Hong, X; Posadas, A; Lin, A; Ahn, CH, PHYSICAL REVIEW B, 68 (13): Art. No. 134415, 2003
- The p(4 x 2) surface reconstruction on epitaxial WO3 thin films. Li, M; Altman, EI; Posadas, A; Ahn, CH,SURFACE SCIENCE, 542 (1-2): 22-32, 2003
- Electric field effect in correlated oxide systems. Ahn, CH; Triscone, JM; Mannhart, J,NATURE, 424 (6952): 1015-1018, 2003
- Field Effect and Ferroelectric Field Effect in Correlated Oxide Films. D. Matthey, S. Gariglio, C.H. Ahn, J.-M. Triscone, SPIE Proc., 4811: 236, 2002
- Nanoscale Study of Polarization Phenomena in Pb(Zr0.2Ti0.8)O3 Thin Films. T. Tybell, P. Paruch, C.H. Ahn, J.-M. Triscone, SPIE Proc., 4811: 256, 2002
- Electrostatic modulation of the superconducting transition in thin NdBa2Cu3O7-delta films: the role of classical fluctuations. Matthey, D; Gariglio, S; Ahn, CH; Triscone, JM, PHYSICA C, 372: 583-586 Part 2, 2002
- Electrostatic tuning of the hole density in NdBa2Cu3O7-delta films and its effect on the Hall response. Gariglio, S; Ahn, CH; Matthey, D; Triscone, JM, PHYSICAL REVIEW LETTERS, 88 (6): Art. No. 067002, 2002
- Epitaxial growth of Pb(Zr0.2Ti0.8)O3 on Si and its nanoscale piezo- electric properties. Lin, A; Hong, X; Wood, V; Verevkin, AA; Ahn, CH; McKee, RA; Walker, FJ; Specht, ED, APPLIED PHYSICS LETTERS, 78 (14): 2034-2036, 2001
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