Session Index

Session X13: Focus Session: Layered Manganites

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Abstracts
Sponsoring Units: DMP GMAG
Chair: John Mitchell, Argonne National Laboratory
Room: Colorado Convention Center Korbel 4C


Friday, March 9, 2007
8:00AM - 8:12AM

 X13.00001: Nonthermal Photoresponse in Epitaxial Thin Films of (La,Pr).67Ca.33MnO4: Correlation with Non-ohmic Electrical Transport and Magnetoresistance
Anthony Davidson III , Rajeswari Kolagani , Grace Yong , Vera Smolyaninova , Mason Overby

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Friday, March 9, 2007
8:12AM - 8:24AM

 X13.00002: Evolution of the CO-OO and AF ordering in the single-layer manganite $\rm Pr_{1-x}Ca_{1+x}MnO_4$ near half doping
Feng Ye , J. A. Fernandez-Baca , Songxue Chi , Pengcheng Dai , J. W. Lynn , R. Mathieu , Y. Kaneko , Y. Tokura

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Friday, March 9, 2007
8:24AM - 8:36AM

 X13.00003: Dimensional Crossover of Antiferromagnetism in Half-Doped La$_{0.5}$Sr$_{1.5}$MnO$_{4}$
Kuo-Sheng Chao , J. Okamoto , D. J. Huang , C. Y. Mou , H. -J. Lin , C. -H. Hsu , Y. Kaneko , R. Mathieu , Y. Tokura , C. T. Chen

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Friday, March 9, 2007
8:36AM - 8:48AM

 X13.00004: Role of oxygen in the orbital ordered state of La$_{0.5}$Sr$_{1.5}$MnO$_4$
John W. Freeland , Michel van Veenendaal , Ken Gray , Qing'an Li , Hong Zheng , John F. Mitchell

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Friday, March 9, 2007
8:48AM - 9:00AM

 X13.00005: Orbital Ordering in Magnanites Probed with Soft X-Ray Scattering
Stuart Wilkins , Natasa Stojic , Thomas Beale , Nadia Bingeli , Peter Hatton , D. Prabhakaran , Andrew Boothroyd , Massimo Altarelli

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Friday, March 9, 2007
9:00AM - 9:12AM

 X13.00006: Rethinking the Orbital Ordering Transition: Using Coherent Soft X-ray Scattering to Study Dynamics in the CMR Manganites
Joshua Turner , Jessica Thomas , John Hill , Mark Pfeifer , Karine Chesnel , Y. Tokura , Y. Tomioka , Steve Kevan

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Friday, March 9, 2007
9:12AM - 9:24AM

 X13.00007: Resonant soft x-ray scattering study on antiferromagnetic ordering of LaSr$_2$Mn$_2$O$_7$
J.-S. Lee , J. Koo , H. Jang , K.-T. Ko , H. J. Lee , Y. H. Jeong , K.-B. Lee , J.-H. Park , J.-Y. Kim , Y. Bang , T. Kimura , Y. Tokura

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Friday, March 9, 2007
9:24AM - 9:36AM

 X13.00008: Reentrant orbital order and the true ground state of LaSr$_{2}$Mn$_{2}$O$_{7}$.
S. Nyborg Ancona , S. Rosenkranz , R. Osborn , K. E. Gray , H. Zheng , Qing'An Li , J. F. Mitchell , Y. Chen , J. Lynn

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Friday, March 9, 2007
9:36AM - 9:48AM

 X13.00009: Exotic Bilayer Manganite Phase Diagram near x=0.6 Hole Doping.
Kenneth Gray , Hong Zheng , Qing'An Li , John F. Mitchell , Stine Nyborg Ancona , Stephan Rosenkranz , Ray Osborn

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Friday, March 9, 2007
9:48AM - 10:00AM

 X13.00010: Polarized transmission EXAFS study of single crystal La$_{2-2x}$Sr$_{1+2x}$Mn$_{2}$O$_{7 }$ as a function of temperature
Jesse Guzman , G. Kurczveil , L. Downward , F. Bridges , J. Mitchell , H. Zheng

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Friday, March 9, 2007
10:00AM - 10:12AM

 X13.00011: Magnetic momentum density, Fermi surface and directional magnetic Compton profiles in LaSr$_{2}$Mn$_{2}$O$_{7}$ and La$_{1.2}$Sr$_{1.8}$Mn$_2$O$_7$
P. E. Mijnarends , S. Kaprzyk , B. Barbiellini , A. Bansil , Yinwan Li , J.F. Mitchell , P.A. Montano

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Friday, March 9, 2007
10:12AM - 10:24AM

 X13.00012: Optic phonon anomaly as a precursor to polaron formation in a layered CMR manganite.
Dmitry Reznik , Frank Weber , Nadir Aliouane , Dimitri Argyriou , Marcus Braden , Winfried Reichardt

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Friday, March 9, 2007
10:24AM - 10:36AM

 X13.00013: A local metallic state in globally insulating La$_{1.24}$Sr$_{1.76}$Mn$_{2}$O$_{7}$ well above the metal-insulator transition
Zhe Sun , J. Fraser Douglas , Alexei V. Fedorov , Yi-De Chuang , Hong Zheng , John F. Mitchell , D. S. Dessau

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Friday, March 9, 2007
10:36AM - 10:48AM

 X13.00014: Angle resolved photoemission studies of colossal magnetoresistive bilayer manganites
Norman Mannella , Wanli Yang , Kiyohisa Tanaka , Xingjiang Zhou , Jennifer Zheng , John Mitchell , Jan Zaanen , Tom Devereaux , Naoto Nagaosa , Zahid Hussain , Zhi-Xun Shen

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Friday, March 9, 2007
10:48AM - 11:00AM

 X13.00015: Energy Range of State Conservation for Coulomb Interaction Effects in $La_{1.28}Sr_{1.72}Mn_2O_7$
Daniel Mazur , K. E. Gray , J. F. Zasadzinski , L. Ozyuzer , I. Beloborodov , H. Zheng , J. F. Mitchell

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