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Premium member Presentation Transcript Title : Title Vortex nanoliquid in high-temperature superconductorsBSCCO PD 5 phases: BSCCO PD 5 phases Vortex matter phase diagram in Bi2Sr2CaCu2O8 Point disorderBSCCO PD 3 phases: BSCCO PD 3 phases B T quasi - ordered - lattice (Bragg glass) Vortex liquid Amorphous Vortex matter phase diagram in Bi2Sr2CaCu2O8 Point disorderBose glass schematic : Bose glass schematic Bose glass phase with columnar defects Nelson and Vinokur, PRL 68, 2398 (1992) Vortices pinned by columnar defectsBose glass: Bose glass Bose glass phase with columnar defects Radzihovsky, PRL 74, 4923 (1995) From BrG to BG: From BrG to BG Bose glass phase with columnar defects Structure of vortex matter when just few CDs are present? B T Bragg glass Vortex liquid Amorphous B T Vortex liquid Bose glass ? CDsDMO technique: Differential magneto-optical system He lamp CCD camera Polarizer Cryostat Solenoid Analyzer Microscope DMO techniqueMovie BSCCO#3 large color: Movie BSCCO#3 large colorCrystal with mask and CDs: Artificial disorder by heavy ion irradiation Crystal with mask and CDs SST mask Columnar defects by 1 GeV Pb irradiation through perforated maskMovie Satya Bf=20G, B=50G: Movie Satya Bf=20G, B=50GUpward shift of Bm pristine: Upward shift of Bm pristine solid liquid pristine melting Upward shift of the melting line with CDsUpward shift of Bm, B 5G: Upward shift of Bm, B 5G solid liquid solid liquid pristine B=5 G Upward shift of the melting line with CDsUpward shift of Bm, 10G: Upward shift of Bm, 10G solid liquid 5 G pristine 10 G Upward shift of the melting line with CDsUpward shift of Bm, 20G: Upward shift of Bm, 20G solid liquid 5 G pristine 20 G 10 G Upward shift of the melting line with CDsUpward shift of Bm, 50G all: Upward shift of Bm, 50G all Upward shift of the melting line with CDs solid liquid 5 G 20 G B=50 G 10 G pristine Vertical shift of Bm: Vertical shift of Bm Upward shift of the melting line with CDs vertical shift in BmHorizontal shift of Tm with CDs : Horizontal shift of Tm with CDs Upward shift of the melting line with CDs vertical shift in Bm horizontal shift in TmCrystal w mask and decoration: Magnetic decoration with CDs Crystal w mask and decoration SST mask Columnar defects by 1 GeV Pb irradiation through perforated maskCrystal with decoration: Crystal with decoration SST mask Columnar defects by 1 GeV Pb irradiation through perforated mask porous Bragg glass Magnetic decoration B = 40 G Bf = 10 G Magnetic decoration with CDsAFM mica and decoration: AFM mica and decoration porous Bragg glass Magnetic decoration B = 40 G Bf = 10 G AFM of etched columnar defects in mica Bf = 10 G 20 m Magnetic decoration with CDsDecoration B/Bf=1: Decoration B/Bf=1 Magnetic decoration BSCCO B = 10 G Bf = 10 G Etched mica Bf = 10 G 20 m B / Bf = 1 Magnetic decoration with CDsDecoration B/Bf=4: Decoration B/Bf=4 Magnetic decoration BSCCO B = 40 G Bf = 10 G Etched mica Bf = 10 G 20 m B / Bf = 4 Magnetic decoration with CDsDecoration B/Bf=8: Decoration B/Bf=8 Magnetic decoration BSCCO B = 80 G Bf = 10 G Etched mica Bf = 10 G 20 m B / Bf = 8 Magnetic decoration with CDsSize of crystallites: Size of crystallites Etched mica Bf = 10 G 20 m number of vortices in the crystallites Magnetic decoration with CDs Bf = 10 GDensity of lattice defects: Density of lattice defects Etched mica Bf = 10 G 20 m density of vortex lattice defects Magnetic decoration with CDs Two distinct vortex populations: soft crystallites and rigid matrix porousMelting line porous: Melting line porous Melting of porous vortex matter skeleton melting 5 G 20 G 50 G 10 G pristine melting of crystallites delocalizationSelf-field with CDs small crystal: Imaging of transport current distribution in irradiated BSCCO Self-field with CDs small crystalSelf-field with CDs large crystal: Self-field with CDs large crystal Imaging of transport current distribution in irradiated BSCCO Bself JyPristine melting: Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs Pristine melting Bragg glass liquidPorous melting: Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs Porous melting porous solid liquid ? B = 60 GNanoliquid PD : Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs Nanoliquid PD porous solid liquid nano- liquid homogeneous Bdl exp(-T/T0 ) Lopatin and Vinokur, PRL 92 (2004) Kierfeld and Vinokur, PRL 94 (2005) B = 60 GR(T) nanoliquid: Transport data in Bi2Sr2CaCu2O8 with CDs R(T) nanoliquid homogeneous liquid nonoliquidTransport nanoliquid 1 : homogeneous liquid Tdl B = 125 G Transport data in Bi2Sr2CaCu2O8 with CDs Transport nanoliquid 1 B = 60 G nonoliquid porous solidTransport nanoliquid 2: Transport data in Bi2Sr2CaCu2O8 with CDs Transport nanoliquid 2 Tdl B = 125 G B = 60 G homogeneous liquid nonoliquid porous solidTransport nanoliquid 2: Transport data in Bi2Sr2CaCu2O8 with CDs Transport nanoliquid 2 nonoliquid porous solid Tdl B = 125 G B = 60 G homogeneous liquid enhanced c-axis correlationsPD w CDs summary: Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs PD w CDs summary Homogeneous liquid B = 60 G Porous solid Nanoliquid You do not have the permission to view this presentation. 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APS LAX talk for web Riccard Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 225 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: January 09, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Title : Title Vortex nanoliquid in high-temperature superconductorsBSCCO PD 5 phases: BSCCO PD 5 phases Vortex matter phase diagram in Bi2Sr2CaCu2O8 Point disorderBSCCO PD 3 phases: BSCCO PD 3 phases B T quasi - ordered - lattice (Bragg glass) Vortex liquid Amorphous Vortex matter phase diagram in Bi2Sr2CaCu2O8 Point disorderBose glass schematic : Bose glass schematic Bose glass phase with columnar defects Nelson and Vinokur, PRL 68, 2398 (1992) Vortices pinned by columnar defectsBose glass: Bose glass Bose glass phase with columnar defects Radzihovsky, PRL 74, 4923 (1995) From BrG to BG: From BrG to BG Bose glass phase with columnar defects Structure of vortex matter when just few CDs are present? B T Bragg glass Vortex liquid Amorphous B T Vortex liquid Bose glass ? CDsDMO technique: Differential magneto-optical system He lamp CCD camera Polarizer Cryostat Solenoid Analyzer Microscope DMO techniqueMovie BSCCO#3 large color: Movie BSCCO#3 large colorCrystal with mask and CDs: Artificial disorder by heavy ion irradiation Crystal with mask and CDs SST mask Columnar defects by 1 GeV Pb irradiation through perforated maskMovie Satya Bf=20G, B=50G: Movie Satya Bf=20G, B=50GUpward shift of Bm pristine: Upward shift of Bm pristine solid liquid pristine melting Upward shift of the melting line with CDsUpward shift of Bm, B 5G: Upward shift of Bm, B 5G solid liquid solid liquid pristine B=5 G Upward shift of the melting line with CDsUpward shift of Bm, 10G: Upward shift of Bm, 10G solid liquid 5 G pristine 10 G Upward shift of the melting line with CDsUpward shift of Bm, 20G: Upward shift of Bm, 20G solid liquid 5 G pristine 20 G 10 G Upward shift of the melting line with CDsUpward shift of Bm, 50G all: Upward shift of Bm, 50G all Upward shift of the melting line with CDs solid liquid 5 G 20 G B=50 G 10 G pristine Vertical shift of Bm: Vertical shift of Bm Upward shift of the melting line with CDs vertical shift in BmHorizontal shift of Tm with CDs : Horizontal shift of Tm with CDs Upward shift of the melting line with CDs vertical shift in Bm horizontal shift in TmCrystal w mask and decoration: Magnetic decoration with CDs Crystal w mask and decoration SST mask Columnar defects by 1 GeV Pb irradiation through perforated maskCrystal with decoration: Crystal with decoration SST mask Columnar defects by 1 GeV Pb irradiation through perforated mask porous Bragg glass Magnetic decoration B = 40 G Bf = 10 G Magnetic decoration with CDsAFM mica and decoration: AFM mica and decoration porous Bragg glass Magnetic decoration B = 40 G Bf = 10 G AFM of etched columnar defects in mica Bf = 10 G 20 m Magnetic decoration with CDsDecoration B/Bf=1: Decoration B/Bf=1 Magnetic decoration BSCCO B = 10 G Bf = 10 G Etched mica Bf = 10 G 20 m B / Bf = 1 Magnetic decoration with CDsDecoration B/Bf=4: Decoration B/Bf=4 Magnetic decoration BSCCO B = 40 G Bf = 10 G Etched mica Bf = 10 G 20 m B / Bf = 4 Magnetic decoration with CDsDecoration B/Bf=8: Decoration B/Bf=8 Magnetic decoration BSCCO B = 80 G Bf = 10 G Etched mica Bf = 10 G 20 m B / Bf = 8 Magnetic decoration with CDsSize of crystallites: Size of crystallites Etched mica Bf = 10 G 20 m number of vortices in the crystallites Magnetic decoration with CDs Bf = 10 GDensity of lattice defects: Density of lattice defects Etched mica Bf = 10 G 20 m density of vortex lattice defects Magnetic decoration with CDs Two distinct vortex populations: soft crystallites and rigid matrix porousMelting line porous: Melting line porous Melting of porous vortex matter skeleton melting 5 G 20 G 50 G 10 G pristine melting of crystallites delocalizationSelf-field with CDs small crystal: Imaging of transport current distribution in irradiated BSCCO Self-field with CDs small crystalSelf-field with CDs large crystal: Self-field with CDs large crystal Imaging of transport current distribution in irradiated BSCCO Bself JyPristine melting: Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs Pristine melting Bragg glass liquidPorous melting: Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs Porous melting porous solid liquid ? B = 60 GNanoliquid PD : Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs Nanoliquid PD porous solid liquid nano- liquid homogeneous Bdl exp(-T/T0 ) Lopatin and Vinokur, PRL 92 (2004) Kierfeld and Vinokur, PRL 94 (2005) B = 60 GR(T) nanoliquid: Transport data in Bi2Sr2CaCu2O8 with CDs R(T) nanoliquid homogeneous liquid nonoliquidTransport nanoliquid 1 : homogeneous liquid Tdl B = 125 G Transport data in Bi2Sr2CaCu2O8 with CDs Transport nanoliquid 1 B = 60 G nonoliquid porous solidTransport nanoliquid 2: Transport data in Bi2Sr2CaCu2O8 with CDs Transport nanoliquid 2 Tdl B = 125 G B = 60 G homogeneous liquid nonoliquid porous solidTransport nanoliquid 2: Transport data in Bi2Sr2CaCu2O8 with CDs Transport nanoliquid 2 nonoliquid porous solid Tdl B = 125 G B = 60 G homogeneous liquid enhanced c-axis correlationsPD w CDs summary: Vortex matter phase diagram in Bi2Sr2CaCu2O8 with CDs PD w CDs summary Homogeneous liquid B = 60 G Porous solid Nanoliquid