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Sirohi A, Saha P, Gayen S, Singh A, Sheet G. Transport spectroscopy on trapped superconducting nano-islands of Pb: signature of unconventional pairing. NANOTECHNOLOGY 2016; 27:285701. [PMID: 27251201 DOI: 10.1088/0957-4484/27/28/285701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Elemental bulk lead (Pb) is a conventional type I, spin-singlet (s-wave) superconductor with a critical temperature T c = 7.2 K and a critical magnetic field H c = 800 Oe. However, it is known that at mesoscopic length scales, like in point-contact geometries, Pb shows significantly higher critical field, sometimes up to several Tesla. We have used this property to trap a small superconducting nano-droplet of Pb by forming a metallic point contact on Pb and then applying a magnetic field larger than 800 Oe that drives the bulk of the material non-superconducting. From systematic magnetic field dependent behaviour of the point-contact spectra measured across such a trapped island of Pb we show that the superconducting order parameter of mesoscopic Pb mixes non-trivially with magnetic field possibly due to the emergence of a local spin-triplet component at such length scales. From comparative studies with Nb-based point contacts we surmise that the strong spin-orbit coupling in Pb leads to the emergence of the unconventional component in the order parameter of mesoscopic Pb.
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Affiliation(s)
- Anshu Sirohi
- Department of Physical Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, S. A. S. Nagar, Manauli, PO 140306, India
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Zhou M, Duan W, Chen Y, Du A. Single layer lead iodide: computational exploration of structural, electronic and optical properties, strain induced band modulation and the role of spin-orbital-coupling. NANOSCALE 2015; 7:15168-15174. [PMID: 26312757 DOI: 10.1039/c5nr04431f] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Graphitic like layered materials exhibit intriguing electronic structures and thus the search for new types of two-dimensional (2D) monolayer materials is of great interest for developing novel nano-devices. By using density functional theory (DFT) method, here we for the first time investigate the structure, stability, electronic and optical properties of monolayer lead iodide (PbI2). The stability of PbI2 monolayer is first confirmed by phonon dispersion calculation. Compared to the calculation using generalized gradient approximation, screened hybrid functional and spin-orbit coupling effects can not only predicts an accurate bandgap (2.63 eV), but also the correct position of valence and conduction band edges. The biaxial strain can tune its bandgap size in a wide range from 1 eV to 3 eV, which can be understood by the strain induced uniformly change of electric field between Pb and I atomic layer. The calculated imaginary part of the dielectric function of 2D graphene/PbI2 van der Waals type hetero-structure shows significant red shift of absorption edge compared to that of a pure monolayer PbI2. Our findings highlight a new interesting 2D material with potential applications in nanoelectronics and optoelectronics.
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Affiliation(s)
- Mei Zhou
- Department of Physics and State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University, Beijing 100084, China
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Ruby M, Heinrich BW, Pascual JI, Franke KJ. Experimental demonstration of a two-band superconducting state for lead using scanning tunneling spectroscopy. PHYSICAL REVIEW LETTERS 2015; 114:157001. [PMID: 25933331 DOI: 10.1103/physrevlett.114.157001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Indexed: 06/04/2023]
Abstract
The type I superconductor lead (Pb) has been theoretically predicted to be a two-band superconductor. We use scanning tunneling spectroscopy (STS) to resolve two superconducting gaps with an energy difference of 150 μeV. Tunneling into Pb(111), Pb(110), and Pb(100) crystals reveals a strong dependence of the two coherence peak intensities on the crystal orientation. We show that this is the result of a selective tunneling into the two bands at the energy of the two coherence peaks. This is further sustained by the observation of signatures of the Fermi sheets in differential conductance maps around subsurface defects. A modification of the density of states of the two bands by adatoms on the surface confirms the different orbital character of each of the two subbands.
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Affiliation(s)
- Michael Ruby
- Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
| | - Benjamin W Heinrich
- Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
| | - Jose I Pascual
- Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
- CIC nanoGUNE and Ikerbasque, Basque Foundation for Science, Tolosa Hiribidea 78, Donostia-San Sebastian 20018, Spain
| | - Katharina J Franke
- Fachbereich Physik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
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Götz DA, Shayeghi A, Johnston RL, Schwerdtfeger P, Schäfer R. Influence of spin-orbit effects on structures and dielectric properties of neutral lead clusters. J Chem Phys 2014; 140:164313. [DOI: 10.1063/1.4872369] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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5
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Altfeder I, Matveev KA, Voevodin AA. Imaging the electron-phonon interaction at the atomic scale. PHYSICAL REVIEW LETTERS 2012; 109:166402. [PMID: 23215098 DOI: 10.1103/physrevlett.109.166402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2012] [Indexed: 06/01/2023]
Abstract
Thin Pb films epitaxially grown on 7×7 reconstructed Si(111) represent an ideal model system for studying the electron-phonon interaction at the metal-insulator interface. For this system, using a combination of scanning tunneling microscopy and inelastic electron tunneling spectroscopy, we performed direct real-space imaging of the electron-phonon coupling parameter. We found that λ increases when the electron scattering at the Pb/Si(111) interface is diffuse and decreases when the electron scattering is specular. We show that the effect is driven by transverse redistribution of the electron density inside a quantum well.
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Affiliation(s)
- Igor Altfeder
- Nanoelectronic Materials Branch, Air Force Research Laboratory, Wright Patterson AFB, Ohio 45433, USA.
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Pan S, Liu Q, Ming F, Wang K, Xiao X. Interface effects on the quantum well states of Pb thin films. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2011; 23:485001. [PMID: 22034437 DOI: 10.1088/0953-8984/23/48/485001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Using scanning tunneling spectroscopy, we have studied the interface effect on quantum well states of Pb thin films grown on various metal-terminated (Pb, Ag, and Au) n-type Si(111) surfaces and on two different p-type Si(111) surfaces. The dispersion relation E(k) of the electrons of the Pb film and the phase shift at the substrate interface were determined by applying the quantization rule to the measured energy positions of the quantum well states. Characteristic features in the phase shift versus energy curves were identified and were correlated to the directional conduction band of the silicon substrate and to the Schottky barrier formed between the metal film and the semiconductor. A model involving the band structure of the substrate, the Schottky barrier, and the effective thickness of the interface was introduced to qualitatively but comprehensively explain all the observed features of the phase shift at the substrate interface. Our physical understanding of the phase shift is critically important for using interface modification to control the quantum well states.
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Affiliation(s)
- Shuan Pan
- Department of Physics, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
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Ahuja R, Blomqvist A, Larsson P, Pyykkö P, Zaleski-Ejgierd P. Relativity and the lead-acid battery. PHYSICAL REVIEW LETTERS 2011; 106:018301. [PMID: 21231773 DOI: 10.1103/physrevlett.106.018301] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Indexed: 05/30/2023]
Abstract
The energies of the solid reactants in the lead-acid battery are calculated ab initio using two different basis sets at nonrelativistic, scalar-relativistic, and fully relativistic levels, and using several exchange-correlation potentials. The average calculated standard voltage is 2.13 V, compared with the experimental value of 2.11 V. All calculations agree in that 1.7-1.8 V of this standard voltage arise from relativistic effects, mainly from PbO2 but also from PbSO4.
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Affiliation(s)
- Rajeev Ahuja
- Division of Materials Theory, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20, Uppsala, Sweden.
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Zhang YF, Jia JF, Han TZ, Tang Z, Shen QT, Guo Y, Qiu ZQ, Xue QK. Band structure and oscillatory electron-phonon coupling of Pb thin films determined by atomic-layer-resolved quantum-well states. PHYSICAL REVIEW LETTERS 2005; 95:096802. [PMID: 16197236 DOI: 10.1103/physrevlett.95.096802] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2004] [Indexed: 05/04/2023]
Abstract
Using a low temperature growth method, we have prepared atomically flat Pb thin films over a wide range of film thickness on a Si-(111)-7 x 7 surface. The Pb film morphology and electronic structure are investigated in situ by scanning tunneling microscopy and angle-resolved photoemission spectroscopy. Well-defined and atomic-layer-resolved quantum-well states of the Pb films are used to determine the band structure and the electron-phonon coupling constant (lambda) of the films. We found an oscillatory behavior of lambda with an oscillation periodicity of two atomic layers. Almost all essential features in the Pb/Si(111) system, such as the growth mode, the oscillatory film stability, and the 9 monolayer envelope beating pattern, can be explained by our results in terms of the electron confinement in Pb films.
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Affiliation(s)
- Yan-Feng Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, The Chinese Academy of Sciences, Beijing 100080, China
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Altfeder IB, Liang X, Yamada T, Chen DM, Narayanamurti V. Anisotropic metal-insulator transition in epitaxial thin films. PHYSICAL REVIEW LETTERS 2004; 92:226404. [PMID: 15245244 DOI: 10.1103/physrevlett.92.226404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2003] [Indexed: 05/24/2023]
Abstract
By comparing the properties of In and Pb quantum wells in a scanning tunneling microscopy subsurface imaging experiment, we found the existence of lateral bound states, a 2D Mott-Hubbard correlation gap, induced by transverse confinement. Its formation is attributed to spin or charge overscreening of quasi-2D excitations. The signature of the 2D confinement-deconfinement transition is also experimentally observed, with the correlation gap being pinned in the middle of the conduction band. A self-organized 2D Anderson lattice is suggested as a new ground state.
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Affiliation(s)
- I B Altfeder
- Division of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA
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11
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Altfeder IB, Narayanamurti V, Chen DM. Imaging subsurface reflection phase with quantized electrons. PHYSICAL REVIEW LETTERS 2002; 88:206801. [PMID: 12005588 DOI: 10.1103/physrevlett.88.206801] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2001] [Indexed: 05/23/2023]
Abstract
Lead quantum wells (QW) epitaxially grown on annealed Pb/Si(111) interface form a model system for the study of interactions between quantized electrons and adiabatically modulated boundaries. Tunnel spectra of this system reveal a previously unknown adiabatic shift of QW resonances due to lateral variations of the electronic reflection phase at the buried interface. With this effect, lateral distribution of the subsurface reflection phase can be probed, using scanning tunneling microscopy.
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Affiliation(s)
- I B Altfeder
- Gordon McKay Laboratory, Harvard University, Cambridge, Massachusetts 02138, USA
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12
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Heine V, Jones RO. Electronic band structure and covalency in diamond-type semiconductors. ACTA ACUST UNITED AC 2002. [DOI: 10.1088/0022-3719/2/4/316] [Citation(s) in RCA: 201] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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15
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Hughes AJ, Shepherd JPG. de Haas-van Alphen measurements and the band structure of indium. ACTA ACUST UNITED AC 2002. [DOI: 10.1088/0022-3719/2/4/310] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Altfeder IB, Golovchenko JA, Narayanamurti V. Confinement-enhanced electron transport across a metal-semiconductor interface. PHYSICAL REVIEW LETTERS 2001; 87:056801. [PMID: 11497796 DOI: 10.1103/physrevlett.87.056801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2000] [Indexed: 05/23/2023]
Abstract
We present a combined scanning tunneling microscopy and ballistic electron emission microscopy study of electron transport across an epitaxial Pb/Si(111) interface. Experiments with a self-assembled Pb nanoscale wedge reveal the phenomenon of confinement-enhanced interfacial transport: a proportional increase of the electron injection rate into the semiconductor with the frequency of electron oscillations in the Pb quantum well.
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Affiliation(s)
- I B Altfeder
- Division of Engineering and Applied Science, Harvard University, Cambridge, Massachusetts 02138, USA
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18
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Sorbello RS. Anisotropic relaxation times for impurity scattering on the Fermi surface. ACTA ACUST UNITED AC 2001. [DOI: 10.1088/0305-4608/4/10/014] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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20
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Holtham PM. A pseudopotential calculation of the effect of pressure on the Fermi surface and superconducting transition temperature of thallium. ACTA ACUST UNITED AC 2001. [DOI: 10.1088/0305-4608/3/7/011] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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21
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Ford CJ, Heighway J, Seymour EFW. Magnetic properties of lead alloys in the solid and liquid states (NMR). ACTA ACUST UNITED AC 2001. [DOI: 10.1088/0305-4608/2/2/027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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22
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Bertoni CM, Bortolani V, Calandra C, Nizzoli F. Third order perturbation theory and lattice dynamics of simple metals. ACTA ACUST UNITED AC 2001. [DOI: 10.1088/0305-4608/4/1/005] [Citation(s) in RCA: 106] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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23
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Ivowi UM, Mackinnon L. Ultrasonic quantum oscillations and the Fermi surface of lead. ACTA ACUST UNITED AC 2001. [DOI: 10.1088/0305-4608/6/3/009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Short JD, Wolfe JP. Evidence for large gap anisotropy in superconducting Pb from phonon imaging. PHYSICAL REVIEW LETTERS 2000; 85:5198-5201. [PMID: 11102220 DOI: 10.1103/physrevlett.85.5198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2000] [Indexed: 05/23/2023]
Abstract
We report the first ballistic phonon images of superconducting Pb. Unusual absorption lines are observed for phonon wave vectors in 111 planes. We show that a highly anisotropic energy gap can lead to sharply defined directions of phonon attenuation. Overhauser and Daemen [Phys. Rev. Lett. 61, 1885 (1988)] postulated a spin-density-wave ground state for Pb that leads to directions of strongly reduced gap. By applying their idea to the actual Fermi surface of Pb, we predict phonon attenuation directions consistent with the data.
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Affiliation(s)
- JD Short
- Physics Department and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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Watts BR. Calculation of electrical resistivity produced by dislocations in various metals. ACTA ACUST UNITED AC 2000. [DOI: 10.1088/0305-4608/18/6/022] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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31
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Kubo Y, Yamashita J. Self-consistent relativistic band structure for Pb at normal and high pressure. ACTA ACUST UNITED AC 2000. [DOI: 10.1088/0305-4608/16/12/013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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32
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Jalochowski M, Hoffman M, Bauer E. Quantized Hall effect in ultrathin metallic films. PHYSICAL REVIEW LETTERS 1996; 76:4227-4229. [PMID: 10061233 DOI: 10.1103/physrevlett.76.4227] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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33
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Würde K, Mazur A, Pollmann J. Surface electronic structure of Pb(001), Pb(110), and Pb(111). PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 49:7679-7686. [PMID: 10009513 DOI: 10.1103/physrevb.49.7679] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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34
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Jalochowski M, Knoppe H, Lilienkamp G, Bauer E. Photoemission from ultrathin metallic films: Quantum size effect, electron scattering, and film structure. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:4693-4701. [PMID: 10004226 DOI: 10.1103/physrevb.46.4693] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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35
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Rosenfeld AM, Stott MJ. Change in resistivity of simple metals on melting. PHYSICAL REVIEW. B, CONDENSED MATTER 1990; 42:3406-3414. [PMID: 9995854 DOI: 10.1103/physrevb.42.3406] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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36
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Jézéquel G, Pollini I. Experimental band structure of lead. PHYSICAL REVIEW. B, CONDENSED MATTER 1990; 41:1327-1339. [PMID: 9993848 DOI: 10.1103/physrevb.41.1327] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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37
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Chen XM, Overhauser AW. Effect of spin-density waves on the lattice dynamics of lead. PHYSICAL REVIEW. B, CONDENSED MATTER 1989; 39:10570-10579. [PMID: 9947863 DOI: 10.1103/physrevb.39.10570] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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38
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Jalochowski M, Bauer E. Quantum size and surface effects in the electrical resistivity and high-energy electron reflectivity of ultrathin lead films. PHYSICAL REVIEW. B, CONDENSED MATTER 1988; 38:5272-5280. [PMID: 9946962 DOI: 10.1103/physrevb.38.5272] [Citation(s) in RCA: 64] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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39
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6. Lattice Dynamics. ACTA ACUST UNITED AC 1986. [DOI: 10.1016/s0076-695x(08)60559-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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40
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Stracke E, Herzig C. Electromigration, thermomigration, and solubility of copper in lead. ACTA ACUST UNITED AC 1978. [DOI: 10.1002/pssa.2210470222] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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41
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Ray R, Hahn S, Giessen B. Superconductivity of nonsubstitutional solid solutions: Pb(Ag) and Pb(Au). ACTA ACUST UNITED AC 1972. [DOI: 10.1016/0001-6160(72)90067-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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42
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Calculation of the penetration depth and electromagnetic absorption edge for strong-coupling superconductors. ACTA ACUST UNITED AC 1971. [DOI: 10.1016/0031-8914(71)90319-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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43
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Lattice parameters, stacking fault probability and plastic deformation of lead-thallium single crystals. ACTA ACUST UNITED AC 1970. [DOI: 10.1016/0001-6160(70)90109-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Fukai Y. Calculation of Residual Resistivity in Aluminum and Lead Alloys: The Effect of Multiple Plane-Wave Character on The Residual Resistivity in Polyvalent Metals. ACTA ACUST UNITED AC 1969. [DOI: 10.1103/physrev.186.697] [Citation(s) in RCA: 90] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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45
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46
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Alloul H, Deltour R. Spin-Echo Measurements of Spin-Spin Interactions in Metals: Tin and Cadmium. ACTA ACUST UNITED AC 1969. [DOI: 10.1103/physrev.183.414] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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47
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Testardi LR, Reed WA, Hohenberg PC, Haemmerle WH, Brennert GF. Fluctuation Rounding of the Resistive Superconducting Transition in Thin Lead Films. ACTA ACUST UNITED AC 1969. [DOI: 10.1103/physrev.181.800] [Citation(s) in RCA: 42] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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48
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ROWELL JM, McMillan WL, FELDMANN WL. Phonon Spectra in Pb andPb40Tl60Determined by Tunneling and Neutron Scattering. ACTA ACUST UNITED AC 1969. [DOI: 10.1103/physrev.178.897] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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49
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PHILLIPS RA, GOLD AV. Landau-level widths, effective masses, and magnetic-interaction effects in lead. ACTA ACUST UNITED AC 1969. [DOI: 10.1103/physrev.178.932] [Citation(s) in RCA: 67] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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50
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Fischer G, Maki K. High-Frequency Surface Impedance of Dirty Type-II Superconductors in the Surface-Sheath Regime. ACTA ACUST UNITED AC 1968. [DOI: 10.1103/physrev.176.581] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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