'Critical field' presentation slideshows

656 views • 48 slides

Introduction to the Nernst effect Vortex signal above Tc Loss of long-range phase coherence The Upper Critical Field The

Boulder School for Condensed Matter and Materials Physics 2008. Talk 2 Nernst effect in vortex-liquid state of cuprates. Introduction to the Nernst effect Vortex signal above Tc Loss of long-range phase coherence The Upper Critical Field The cuprate phase diagram. N. P. Ong

719 views • 48 slides

618 326

618 326. Physics of electronic materials and devices I Lecture 10. Junction Breakdown. When a huge reverse voltage is applied to a p-n junction, the junction breaks down and conducts a very large current.

656 views • 46 slides

Oxide films and scanning probes J. Aarts , Kamerlingh Onnes Laboratory, Leiden University

Oxide films and scanning probes J. Aarts , Kamerlingh Onnes Laboratory, Leiden University. Wanted atomic scale electronic / structure properties ( local sc gap, stripes, phase separation, charge order). Problem STM : not for insulators ; AFM : no atomic resolution

590 views • 46 slides

Vortex-Nernst signal and extended phase diagram of cuprates

Vortex-Nernst signal and extended phase diagram of cuprates. Yayu Wang, Z. A. Xu, N.P.O (Princeton) T. Kakeshita, S. Uchida (U. Tokyo) S. Ono and Y. Ando (CRIEPI, Japan) D. A. Bonn, R. Liang, W.N. Hardy (U. Brit. Colum.) G. Gu (Brookhaven Nat. Lab.) B. Keimer (MPI, Stuttgart)

534 views • 42 slides

????????????? (High T c superconductivity and Thermal physics) --30 ?????????

NCHU 5/7/2010. ????????????? (High T c superconductivity and Thermal physics) --30 ?????????. ??? (H. C. Ku) ??????? (NTHU). (original talk title). Anisotropic x-ray absorption near edge spectrum (XANES) for FeAs-based (1111) aligned superconducting powder.

874 views • 35 slides

Flux pinning in general

Flux pinning in general. Adrian Crisan School of Metallurgy and Materials, University of Birmingham, UK a nd National Institute of Materials Physics, Bucharest, Romania. CONTENTS. Introduction: type I vs. type II Vortices Pinning Bulk Pinning Force Density Pinning Potential.

1.42k views • 31 slides

LABORATORY INVESTIGATIONS INTO THE EXTREME UNIVERSE

LABORATORY INVESTIGATIONS INTO THE EXTREME UNIVERSE. Pisin Chen Stanford Linear Accelerator Center Stanford University Introduction Universe as Laboratory Laboratory Studies of the Universe Summary Second ORION Workshop, SLAC, Feb. 18-20, 2003.

443 views • 27 slides

1. Introduction to Superconductors where to find more information

1. Introduction to Superconductors where to find more information properties of superconductors, critical field, critical temperature & critical current density screening currents and the critical state model 2. Magnetization, AC Losses & Filamentary Wires

742 views • 27 slides

1. Introduction to Superconductors where to find more information

1. Introduction to Superconductors where to find more information properties of superconductors, critical field, critical temperature & critical current density screening currents and the critical state model 2. Magnetization, AC Losses & Filamentary Wires

372 views • 27 slides

331 views • 25 slides

superconductivity

superconductivity

568 views • 25 slides

Superconductor Ceramics

Superconductor Ceramics. EBB443-Technical Ceramics Dr. Sabar D. Hutagalung School of Materials & Min. Res. Eng., Universiti Sains Malaysia. What's a superconductor?. Superconductors have two outstanding features: 1). Zero electrical resistivity .

1.51k views • 24 slides

Two Major Open Physics Issues in RF Superconductivity H. Padamsee & J. Sethna

Two Major Open Physics Issues in RF Superconductivity H. Padamsee & J. Sethna. What is the RF critical magnetic field? Is it Hc1, Hc, Hsh? How does it depend on temperature? How does it depend on Ginzburg-Landau parameter ( k = l/x )? High-Field Q-slope (next session)

340 views • 23 slides

Characterization of Perpendicular Write Heads using Inductance Measurements Alexander Taratorin

Characterization of Perpendicular Write Heads using Inductance Measurements Alexander Taratorin. 3000 Olcott St. Santa Clara, CA 95054 Tel: 408 653-0300 E-Mail: sales@us-isi.com Web: www.us-isi.com. Need for Production Testing of Write Heads.

173 views • 17 slides

Investigations in Superconductivity

Investigations in Superconductivity. Lulu Liu Partner: Chris Chronopoulos. 8.14 Experiment 4 May 12, 2008. Theory of Superconductivity. Electron-phonon interactions ? Electron-Electron Attraction. At Low T, overcomes Coulomb Repulsion ? Coupling of remote electron pairs ? Boson pairs.

421 views • 17 slides

Critical fields, vortex melting and the irreversibility line in quasi 2D organic superconductors

Critical fields, vortex melting and the irreversibility line in quasi 2D organic superconductors. Braunen E. Smith K. Cho, I. Mihut and C. C. Agosta Department of Physics, Clark University S. W. Tozer, T. P. Murphy and E. C. Palm The National High Magnetic Field Laboratory, Tallahassee

308 views • 10 slides

0654118_Boebinger_d

High field performances in iron-based superconductors Gregory S. Boebinger, Florida State University, DMR 0654118 Applied Superconductivity Center.

90 views • 2 slides

Scaling of the pinning force in MgB 2 superconductor

Vibrating. Head. Control Units(3). H , T and M. ZFC , FC. Sample Holder. Sample Zone. The Sample. (GPIB). Pickup Coils. Special Program. Magnetic Coils. Scaling of the pinning force in MgB 2 superconductor. Kh. A. Ziq*, Hala Hashem

125 views • 1 slides