Boston College, Department of Physics, Spring 2011
PH79917, index = Treat
Readings and Research
Instructor:
Fr. Cyril P. Opeil, S.J., Ph.D.
Assistant Professor
Office: Higgins 330J, 617-552-8450
Laboratory: Higgins 130, 617-552-3589
Cell: 505-901-9488
Office Hours: As posted at 330J:
Tuesday 3:15-5:00 PM
Thursday 3:15-5:00 PM
Friday 4:15-4:45 PM
Scheduled class meeting times:
Friday = weekly 10:15 AM – 11:30 AM, Room = Higgins Hall 330J
Course Requirements:
1) A minimum of 30 hours per week of laboratory work for the purpose of preparing
samples, QD-PPMS operation and experiments, data analysis, and reading articles
associated with this project.
2) Poster presentation at the American Physical Society March Meeting in Dallas, TX of
AC/DC resistance, magneto-resistance and magnetization data on CeCoIn5, Ce(CoxFey)In5, Ce(Cox-Mny)In5, Ce(Cox-Niy)In5, and Ce(Cox-Cuy)In5 from 2-300 K.
3) Provide a final draft of a paper submitted to Physica B for publication on data from the
doped CeCoIn5, Ce(Cox-Fey)In5, Ce(Cox-Mny)In5, Ce(Cox-Niy)In5, and Ce(Cox-Cuy)In5
samples.
(4) Read and discuss the articles listed in bibliography associated with this project.
(5) Weekly presentation of data and discussion with instructor according to schedule
below.
Skills to be gained by this course:
By direct supervision of the course instructor the student will be directed towards:
1) Sample preparation and measurement techniques:
a) Resistance measurements on sub-millimeter metal crystals.
b) Calibration and use of cantilever magnetometer.
c) Use of LS370 AC resistance bridge.
d) Use of AH2550 capacitance bridge.
e) Operation of high-temperature dilatometer
2) Use of BC clean room to produce e-beam shadow masks for small resistance
samples.
3) Operation and use of the Quantum Design PPMS cryogenic refrigerator.
4) Computer skills: Programming Multiview to run the QD PPMS, Origin, and
LabView.
5) Gathering scientific data for presentation at American Physical Society meeting
in Dallas, TX and in a refereed science journal.
Semester Schedule for Spring 2011
F-21Jan11
F-28Jan11
Discuss scope of project, samples and instrumentation.
(1) Review all data associated with CeCoIn5, Ce(Cox-Fey)In5, Ce(CoxMny)In5, Ce(Cox-Niy)In5, and Ce(Cox-Cuy)In5 project.
(2) Review scope of paper on Ce(Cox-Cuy)In5 and prospective figures.
(3) Discussion of select articles from bibliography.
F-04Feb11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-11Feb11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-18Feb11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-25Feb11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-04Mar11 (1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-11Mar11 (1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
(3) Review Poster Presentation for APS in Dallas, TX.
F-18Mar11 (1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
(3) Review Poster Presentation for APS in Dallas, TX.
F-01Apr11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-08Apr11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-15Apr11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
F-22Apr11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
(3) Draft of paper.
F-29Apr11
(1) Progress report on project data for doped CeCoIn5 and analysis.
(2) Discussion of select articles from attached bibliography.
(3) Draft of paper.
F-06May11 Submit paper to PRB or Physica B/C
F-13May11 Final Exam
M-23May11 Graduation
The articles listed below in the bibliography are required reading for the course. PDF
copies of these articles are available to the student.
Bibliography
Abrikosov, A. A., On the Magnetic Properties of Superconductors of the Second Group,
JETP, 5, 1174 (1957).
Bardeen, J., L. N. Cooper and J. R. Schrieffer, Theory of Superconductivity, Phys. Rev.
108, 1175 (1957).
Bauer, E. et al., Superconductivity in CeCoIn5_xSnx: Veil over an Ordered State
or Novel Quantum Critical Point?, Phys. Rev. Lett. 94, 047001 (2005).
Bel, R., et al., Giant Nernst Effect in CeCoIn5, Phys. Rev. Lett. 92, 217002 (2004).
Bianchi, A., et al., First-Order Superconducting Phase Transition in CeCoIn5, Phys.
Rev. Lett. 89, 137002 (2002).
Bianchi, A., et al., Possible Fulde-Ferrell-Larkin-Ovchinnikov Superconducting State in
CeCoIn5, Phys. Rev. Lett. 91, 187004 (2003).
Bianchi, A. et al., Superconducting Vortices in CeCoIn5: Toward the Pauli-Limiting
Field, Science 319, 177 (2008).
Capan, C., et al., Wilson ratio in Yb-doped CeCoIn5, [arXiv: 0912.0046v1, 01 Dec.
2009].
Daniel, M., et al. Perturbing the Superconducting Planes in CeCoIn5 by Sn Substitution,
[http://www.escholarship.org/uc/item/6p14x94w, E-scholarship 01-11-2005].
Fulde, P. and R. A. Ferrell, "Superconductivity in a Strong Spin-Exchange Field, Phys.
Rev. 135, 550A (1964).
Gruenberg, L.W. and L. Gunther, Fulde-Ferrell Effect in Type-II Superconductor, Phys.
Rev. Lett. 16, 996 (1966).
Haga, Y., et al., Quasi-two-dimensional Fermi surfaces of the heavy fermion
superconductor CeIrIn5, Phys. Rev. B 61, 060503R (2001).
Hall, D., et al, Fermi surface of the heavy-fermion superconductor CeCoIn5:
The de Haas–van Alphen effect in the normal state, Phys. Rev. B 64, 212508 (2001).
Hegger, H., et al., Pressure-Induced Superconductivity in Quasi-2D CeRhIn5, Phys. Rev.
Lett. 84, 4986 (2000).
Higemoto, W., et al., µ_SR Studies on Heavy Fermion Superconductors CeIrIn5 and
CeCoIn5, J. Phys. Soc. Japan 71, 1023 (2002).
Kenzelmann, M., et al., Coupled Superconducting and Magnetic Order in CeCoIn5,
Science 321, 1652 (2008).
Knebel, G., et al., High-pressure phase diagrams of CeRhIn5 and CeCoIn5 studied by
AC calorimetry, J. Phys.: Condens. Matter 16, 8905, (2004).
Y. Kohori, et al., NMR and NQR studies of the heavy fermion superconductor CeCoIn5,
Phys. Rev. B 64, 134526 (2001).
Kumagai, K., et al., NMR Study of a FFLO State of CeCoIn5 in a Perpendicular and a
Parallel Field, J. of Phys: Conf. Series 150, 052135 (2009).
Martin, C., et al., Evidence for the Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn5
from penetration depth measurements, Phys. Rev. B 71, 020503(R) (2005).
Matsuda, Y., et al., Multiple superconducting phases in heavy fermion compounds
PrOs4Sb12 and CeCoIn5, Pramana Jour. of Physics 66, 239 (2006).
Monthoux, P., D. Pines and G. G. Lonzarich, Superconductivity without phonons, Nature
450, 1177, (27 December 2007).
Monthoux, P., and G. G. Lonzarich, p-wave and d-wave superconductivity in quasi-twodimensional metals, Phys. Rev. B 59, 14598 (1999).
Monthoux, P., and G. G. Lonzarich, Magnetically mediated superconductivity in quasitwo and three dimensions, Phys. Rev. B 63, 054529 (2001).
Moshopoulou, E.G., et. al., Comparison of the crystal structure of the heavy-fermion
materials CeCoIn5, CeRhIn5 and CeIrIn5, Appl. Phys. A 74, S895 (2002).
R. Movshovich, R., et al., Unconventional Superconductivity in CeIrIn5 and CeCoIn5:
Specific Heat and Thermal Conductivity Studies, Phys. Rev. Lett. 86, 5152 (2001).
Murphy, T. P., et al., Anomalous superconductivity and field-induced magnetism in
CeCoIn5, Phys. Rev. B 65, 100514R (2002).
Nicklas, M., et al., Response of the heavy-fermion superconductor CeCoIn5 to pressure:
roles of dimensionality and proximity to a quantum-critical point, J. Phys.: Condens.
Matter 13, L905 (2001).
Onose, Y., et al., The Lorenz number in CeCoIn5 inferred from the thermal and charge
Hall currents, Euro. Phys. Lett. 80 37005 (2007).
Ozcan, S., et al., London penetration depth measurements of the heavy-fermion
superconductor CeCoIn5 near a magnetic quantum critical point, Euro. Phys. Lett. 62
412 (2003).
Paglione, J., et al., T2/3 resistivity and the field-tuned quantum critical point in CeCoIn5,
[arXiv:cond-mat/0405157, (2004)].
Paglione, J., et al., Field-Induced Quantum Critical Point in CeCoIn5, Phys. Rev. Lett.
91, 246405 (2003).
C Petrovic, C., et al., Heavy-fermion superconductivity in CeCoIn5 at 2.3 K,
J. Phys.: Condens. Matter 13, L337 (2001).
Radovan, H. A., et al., Magnetic enhancement of superconductivity from electron spin
domains, Nature 425, 51 (4 September 2003).
Schmeideshoff, G., et al., Anomalous magnetic torque in UBe13: Evidence for a fieldinduced magnetic phase transition, Phys. Rev. B 48, 16417 (1993).
Settai, R., et al., Quasi-two-dimensional Fermi surfaces and the de Haas–van Alphen
oscillation in both the normal and superconducting mixed states of CeCoIn5,
J. Phys.: Condens. Matter 13, L627 (2001).
Tanatar, M. A., et al. Anisotropic Violation of the Wiedemann-Franz Law at a Quantum
Critical Point, Science 316, 1320 (2007).
Tayama, T., et al., Magnetization of the heavy fermion superconductor CeCoIn5, J. Phys.
and Chem. of Solids, 63, 1155 (2002).
+++