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Measuring the thermal expansion of solids: How is it done, and how can it be used to study phase transitions? John J. Neumeier Department of Physics, Montana State University, Bozeman, Montana, USA We have developed an instrument for measuring the thermal expansion of solid materials, with a resolution of about 0.1 angstroms. It has been used to measure very complex materials such as quasi‐one‐dimensional compounds, important magnetic materials, superconductors and some elements. The results reveal a number of surprises as well as important information connecting structural and physical properties. In this presentation, I’ll describe the instrument in detail, highlight some results, and describe how thermal expansion can be used as a tool to study phase transitions. 18
MINICOURSES Introduction to thermoelectric properties of solids Joshua L. Cohn University of Miami, Physics Department, Coral Gables, FL 33124, USA A survey of the Seebeck coefficient of solids will be presented, with a particular focus on the magnitudes and temperature dependencies expected from simple theoretical considerations and what insights can be gained from its measurement in metals and superconductors. The separate contributions from charge-carrier diffusion and phonon drag will be emphasized. 19
Page 1: X Brazilian School of Superconducti
Page 4 and 5: Welcome Addresses On behalf of the
Page 6 and 7: Chairs Schedule 09:00 - 10:30 10:30
Page 8 and 9: Tuesday 11th ______________________
Page 10 and 11: Thursday 13th _____________________
Page 12 and 13: POSTER PRESENTATION 01 - Supercondu
Page 14 and 15: 14 - Structural, microstructural, m
Page 16 and 17: 26 - Preparation and characterizati
Page 18 and 19: MINICOURSES 12
Page 20 and 21: Solução numérica das equações
Page 22 and 23: Some remarks on synthesis, structur
Page 26 and 27: Flux pinning in HT c superconductor
Page 28 and 29: From your laboratory to publishable
Page 30 and 31: Time reversal symmetry breaking and
Page 32 and 33: Limitation of ac electrical current
Page 34 and 35: Multicanonical distribution: applic
Page 36 and 37: Spin current phenomena: new impetus
Page 38 and 39: Stabilizing composite vortex states
Page 40 and 41: Study of the phase formation on YBa
Page 42 and 43: Synthesis and superconducting prope
Page 44 and 45: Superconductivity of a new non-cent
Page 46 and 47: Effect of interface roughness on th
Page 48 and 49: Inter-band interactions between vor
Page 50 and 51: Research possibilities at the NIST
Page 52 and 53: Magnetic and Superconductor propert
Page 54 and 55: Fine tuning of the ground state of
Page 56 and 57: Field induced superconductivity, di
Page 58 and 59: Magnetic cloaking and concentration
Page 60 and 61: Flux fractionalization and flux dyn
Page 62 and 63: Unusual thermoelectric properties o
Page 64 and 65: POSTER CONTRIBUTIONS ABSTRACTS POST
Page 66 and 67: POSTER CONTRIBUTIONS Processing and
Page 68 and 69: POSTER CONTRIBUTIONS London Approxi
Page 70 and 71: POSTER CONTRIBUTIONS Processing and
Page 72 and 73: POSTER CONTRIBUTIONS Superconductiv
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POSTER CONTRIBUTIONS Superconductiv
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POSTER CONTRIBUTIONS Dual view of t
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POSTER CONTRIBUTIONS Structural, mi
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POSTER CONTRIBUTIONS Crossover betw
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POSTER CONTRIBUTIONS Magnetic Studi
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POSTER CONTRIBUTIONS Síntese e car
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POSTER CONTRIBUTIONS Polarized Rama
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POSTER CONTRIBUTIONS Hematite sub-m
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POSTER CONTRIBUTIONS Preparation an
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POSTER CONTRIBUTIONS The electrical
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POSTER CONTRIBUTIONS Study of the m
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POSTER CONTRIBUTIONS Possibility of
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Registered Participants Registered
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