Search Results - (Author, Cooperation:T. P. Murphy)
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1B. S. Tan ; Y. T. Hsu ; B. Zeng ; M. C. Hatnean ; N. Harrison ; Z. Zhu ; M. Hartstein ; M. Kiourlappou ; A. Srivastava ; M. D. Johannes ; T. P. Murphy ; J. H. Park ; L. Balicas ; G. G. Lonzarich ; G. Balakrishnan ; S. E. Sebastian
American Association for the Advancement of Science (AAAS)
Published 2015Staff ViewPublication Date: 2015-07-04Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsPublished by: -
2Staff View
ISSN: 1089-7623Source: AIP Digital ArchiveTopics: PhysicsElectrical Engineering, Measurement and Control TechnologyNotes: We report the development of a sample rotating stage for use in a dilution refrigerator. The rotator makes use of bearings made from commercially available sapphire vee jewels and matching pivots that have extremely low coefficients of friction. This rotator allows continuous rotations through 360° at low temperatures (30 mK) and high magnetic fields (20 T) with negligible sample heating. Rotations at rates less than 0.33 deg/s resulted in less than 50 μW of dissipated power. Rotations at rates of 4.4 deg/s resulted in 383 μW of heat dissipated. In addition, the rotator is capable of making rotations with a resolution as small as 0.020°. © 1999 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
3Murphy, T. P. ; Palm, E. C. ; Peabody, L. ; Tozer, S. W.
[S.l.] : American Institute of Physics (AIP)
Published 2001Staff ViewISSN: 1089-7623Source: AIP Digital ArchiveTopics: PhysicsElectrical Engineering, Measurement and Control TechnologyNotes: We report on the development of capacitance thermometers that are independent of magnetic field, can be made with large capacitances (500–150 000 pf), have a small thermal mass, are temperature sensitive from 300 K to 20 mK, and are relatively easy to fabricate from thin sheets of insulator and metallic foils. Furthermore, we demonstrate that we can move the position of the minimum in capacitance with respect to temperature and vary the sensitivity of the device by changing its construction parameters. Measurements have demonstrated that the thermometers are insensitive to high magnetic fields up to 18 T in the temperature range 20–420 mK. © 2001 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
4Fortune, N. A. ; Murphy, T. P. ; Hannahs, S. T. ; Palm, E. C. ; Tozer, S. W. ; Hall, D. ; Radovan, H. A.
[s.l.] : Nature Publishing Group
Published 2004Staff ViewISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] Radovan et al. reply Movshovich et al. suggest that our calorimetric observation of the FFLO superconducting phase boundary and its angular dependence are inconsistent with their own data reporting the possible presence of an FFLO phase, and that we have incorrectly used ...Type of Medium: Electronic ResourceURL: -
5Fortune, N. A. ; Murphy, T. P. ; Hannahs, S. T. ; Palm, E. C. ; Tozer, S. W. ; Hall, D. ; Radovan, H. A.
[s.l.] : Macmillian Magazines Ltd.
Published 2003Staff ViewISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] Since the discovery of superconductivity, there has been a drive to understand the mechanisms by which it occurs. The BCS (Bardeen–Cooper–Schrieffer) model successfully treats the electrons in conventional superconductors as pairs coupled by phonons (vibrational modes of ...Type of Medium: Electronic ResourceURL: