Session B32: Cooperative Phenomena (incl. Spin Structures, Spin Waves, Phase Transitions) I

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Sponsoring Units: GMAG
Chair: Paul Haney, National Institute of Standards and Technology
- 336


Monday, March 16, 2009
11:15AM - 11:27AM

B32.00001: Point Contact Andreev Reflection Spin Spectroscopy in MnSi Single Crystals
Pushkal Thapa , Raghava Panguluri , F. Carbone , D. van der Marel , A.A. Nugroho , B. Nadgorny

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Monday, March 16, 2009
11:27AM - 11:39AM

B32.00002: High Pressure studies of the magnetic phase transition in MnSi
Sergei Stishov , Alla Petrova , Vladimir Krasnorusski , Thomas Lograsso

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Monday, March 16, 2009
11:39AM - 11:51AM

B32.00003: Ultrasonic studies of the magnetic phase transition in MnSi
Alla Petrova , Sergei Stishov

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Monday, March 16, 2009
11:51AM - 12:03PM

B32.00004: High-Energy Magnon Dispersion and Multimagnon Continuum in La$_2$CuO$_4$
Neil Headings , Stephen Hayden , Radu Coldea , Toby Perring

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Monday, March 16, 2009
12:03PM - 12:15PM

B32.00005: Collective spin-excitations in Cu L and O K edge Resonant Inelastic X-ray Scattering on Sr$_{14}$Cu$_{24}$O$_{41}$.
J. Schlappa , T. Schmitt , F. Vernay , V.N. Strocov , B. Thielemann , H.M. Ronnow , J. Mesot , B. Delley , L. Patthey , V. Ilakovac

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Monday, March 16, 2009
12:15PM - 12:27PM

B32.00006: Antiferromagnetic instability in Sr$_3$Ru$_2$O$_7$: stabilized and revealed by dilute Mn impurities
Muhammed Hossain , B. Bohnenbuck , Y.-D. Chuang , E. Cruz , H.-H. Wu , L.H. Tjeng , I.S. Elfimov , Z. Hussain , B. Keimer , G.A. Sawatzky , A. Damascelli

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Monday, March 16, 2009
12:27PM - 12:39PM

B32.00007: Collapse of the Hyperfine Magnetic Field at the Ru site in GdRu$_2$ and HoRu$_2$
D. Coffey , M. DeMarco , P.-C. Ho , T. Sayles , M. B. Maple , J. W. Lynn , Q. Huang

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Monday, March 16, 2009
12:39PM - 12:51PM

B32.00008: Neutrons Scattering Study of Magnetic Correlations in Y$_{0.7}$La$_{0.3}$VO$_3$
Sung Chang , Jiaqiang Yan , Robert McQueeney

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Monday, March 16, 2009
12:51PM - 1:03PM

B32.00009: ABSTRACT WITHDRAWN


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Monday, March 16, 2009
1:03PM - 1:15PM

B32.00010: Possible Observation of Electromagnons in BiFeO3 Crystal
Pauline Rovillain , Yann Gallais , Alain Sacuto , Ricardo Lobo , Doroth\'ee Colson , Delphine Lebeugle , Rogerio De Sousa

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Monday, March 16, 2009
1:15PM - 1:27PM

B32.00011: Magnon Sidebands and Spin-Charge Coupling in Bismuth Ferrite Probed by Nonlinear Optical Spectroscopy
Amit Kumar , M. Ramirez , S. Denev , N. Podraza , X. Xu , R. Rai , Y-H. Chu , J. Seidel , L. Martin , J. Ihlefeld , J. Klug , M. Bedzyk , O. Auciello , D. Schlom , R. Ramesh , J. Orenstein , J. Musfeldt , V. Gopalan

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Monday, March 16, 2009
1:27PM - 1:39PM

B32.00012: Aging in Co/Cr Superlattices
T. Mukherjee , M. Pleimling , Ch. Binek

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Monday, March 16, 2009
1:39PM - 1:51PM

B32.00013: Exchange-coupling modified spin wave spectra in the perpendicularly magnetized permalloy nanodot chain arrays
Jian Dou , Sarah C. Hernandez , Chengtao Yu , Michael J. Pechan , Liesl Folks , Jordan A. Katine , Matthew J. Carey

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