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Giraldo-Gallo P, Galvis JA, Stegen Z, Modic KA, Balakirev FF, Betts JB, Lian X, Moir C, Riggs SC, Wu J, Bollinger AT, He X, Božović I, Ramshaw BJ, McDonald RD, Boebinger GS, Shekhter A. Scale-invariant magnetoresistance in a cuprate superconductor. Science 2018; 361:479-481. [PMID: 30072535 DOI: 10.1126/science.aan3178] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 05/31/2018] [Indexed: 11/02/2022]
Abstract
The anomalous metallic state in the high-temperature superconducting cuprates is masked by superconductivity near a quantum critical point. Applying high magnetic fields to suppress superconductivity has enabled detailed studies of the normal state, yet the direct effect of strong magnetic fields on the metallic state is poorly understood. We report the high-field magnetoresistance of thin-film La2-x Sr x CuO4 cuprate in the vicinity of the critical doping, 0.161 ≤ p ≤ 0.190. We find that the metallic state exposed by suppressing superconductivity is characterized by magnetoresistance that is linear in magnetic fields up to 80 tesla. The magnitude of the linear-in-field resistivity mirrors the magnitude and doping evolution of the well-known linear-in-temperature resistivity that has been associated with quantum criticality in high-temperature superconductors.
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Affiliation(s)
- P Giraldo-Gallo
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA.,Department of Physics, Universidad de Los Andes, Bogotá 111711, Colombia
| | - J A Galvis
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA.,Departamento de Ciencias Naturales, Facultad de Ingeniería y Ciencias Básicas, Universidad Central, Bogotá 110311, Colombia
| | - Z Stegen
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA.,Department of Physics, Florida State University, Tallahassee, FL 32310, USA
| | - K A Modic
- Max Planck Institute for Chemical Physics of Solids, D-01187 Dresden, Germany
| | - F F Balakirev
- Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - J B Betts
- Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - X Lian
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA.,Department of Physics, Florida State University, Tallahassee, FL 32310, USA
| | - C Moir
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA.,Department of Physics, Florida State University, Tallahassee, FL 32310, USA
| | - S C Riggs
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA
| | - J Wu
- Brookhaven National Laboratory (BNL), Upton, NY 11973, USA
| | - A T Bollinger
- Brookhaven National Laboratory (BNL), Upton, NY 11973, USA
| | - X He
- Brookhaven National Laboratory (BNL), Upton, NY 11973, USA.,Applied Physics Department, Yale University, New Haven, CT 06520, USA
| | - I Božović
- Brookhaven National Laboratory (BNL), Upton, NY 11973, USA.,Applied Physics Department, Yale University, New Haven, CT 06520, USA
| | - B J Ramshaw
- Los Alamos National Laboratory, Los Alamos, NM 87545, USA.,Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY 14853, USA
| | - R D McDonald
- Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - G S Boebinger
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA.,Department of Physics, Florida State University, Tallahassee, FL 32310, USA
| | - A Shekhter
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL 32310, USA.
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2
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Wu J, Pelleg O, Logvenov G, Bollinger AT, Sun YJ, Boebinger GS, Vanević M, Radović Z, Božović I. Anomalous independence of interface superconductivity from carrier density. Nat Mater 2013; 12:877-881. [PMID: 23913171 DOI: 10.1038/nmat3719] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Accepted: 06/24/2013] [Indexed: 06/02/2023]
Abstract
The recent discovery of superconductivity at the interface of two non-superconducting materials has received much attention. In cuprate bilayers, the critical temperature (Tc) can be significantly enhanced compared with single-phase samples. Several explanations have been proposed, invoking Sr interdiffusion, accumulation and depletion of mobile charge carriers, elongation of the copper-to-apical-oxygen bond length, or a beneficial crosstalk between a material with a high pairing energy and another with a large phase stiffness. From each of these models, one would predict Tc to depend strongly on the carrier density in the constituent materials. Here, we study combinatorial libraries of La(2-x)Sr(x)CuO4-La2CuO4 bilayer samples--an unprecedentedly large set of more than 800 different compositions. The doping level x spans a wide range, 0.15 < x < 0.47, and the measured Hall coefficient varies by one order of magnitude. Nevertheless, across the entire sample set, Tc stays essentially constant at about 40 K. We infer that doping up to the optimum level does not shift the chemical potential, unlike in ordinary Fermi liquids. This result poses a new challenge to theory--cuprate superconductors have not run out of surprises.
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Affiliation(s)
- J Wu
- 1] Brookhaven National Laboratory, Upton, New York 11973-5000, USA [2] National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA
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3
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Chuang TM, Allan MP, Lee J, Xie Y, Ni N, Bud’ko SL, Boebinger GS, Canfield PC, Davis JC. Nematic Electronic Structure in the “Parent” State of the Iron-Based Superconductor Ca(Fe
1–
x
Co
x
)
2
As
2. Science 2010; 327:181-4. [DOI: 10.1126/science.1181083] [Citation(s) in RCA: 418] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- T.-M. Chuang
- Laboratory of Atomic and Solid State Physics, Department of Physics, Cornell University, Ithaca, NY 14853, USA
- National High Magnetic Field Laboratory, Department of Physics, Florida State University, Tallahassee, FL 32310, USA
| | - M. P. Allan
- Laboratory of Atomic and Solid State Physics, Department of Physics, Cornell University, Ithaca, NY 14853, USA
- School of Physics and Astronomy, University of Saint Andrews, Saint Andrews, Fife KY16 9SS, UK
| | - Jinho Lee
- Laboratory of Atomic and Solid State Physics, Department of Physics, Cornell University, Ithaca, NY 14853, USA
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - Yang Xie
- Laboratory of Atomic and Solid State Physics, Department of Physics, Cornell University, Ithaca, NY 14853, USA
| | - Ni Ni
- Ames Laboratory, U.S. Department of Energy (DOE), Iowa State University, Ames, IA 50011, USA
- Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA
| | - S. L. Bud’ko
- Ames Laboratory, U.S. Department of Energy (DOE), Iowa State University, Ames, IA 50011, USA
- Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA
| | - G. S. Boebinger
- National High Magnetic Field Laboratory, Department of Physics, Florida State University, Tallahassee, FL 32310, USA
| | - P. C. Canfield
- Ames Laboratory, U.S. Department of Energy (DOE), Iowa State University, Ames, IA 50011, USA
- Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA
| | - J. C. Davis
- Laboratory of Atomic and Solid State Physics, Department of Physics, Cornell University, Ithaca, NY 14853, USA
- School of Physics and Astronomy, University of Saint Andrews, Saint Andrews, Fife KY16 9SS, UK
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, NY 11973, USA
- Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada
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4
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Riggs SC, McDonald RD, Kemper JB, Stegen Z, Boebinger GS, Balakirev FF, Kohama Y, Migliori A, Chen H, Liu RH, Chen XH. Doping dependent nonlinear Hall effect in SmFeAsO(1-x)F(x). J Phys Condens Matter 2009; 21:412201. [PMID: 21693981 DOI: 10.1088/0953-8984/21/41/412201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
We report the Hall resistivity, ρ(xy), of polycrystalline SmFeAsO(1-x)F(x) for four different fluorine concentrations from the onset of superconductivity through the collapse of the structural phase transition. For the two more highly doped samples, ρ(xy) is linear in magnetic field up to 50 T with only weak temperature dependence, reminiscent of a simple Fermi liquid. For the lightly doped samples with x<0.15, we find a low temperature regime characterized as ρ(xy)(H) being both nonlinear in magnetic field and strongly temperature-dependent even though the Hall angle is small. The onset temperature for this nonlinear regime is in the vicinity of the structural phase (SPT)/magnetic ordering (MO) transitions. The temperature dependence of the Hall resistivity is consistent with a thermal activation of carriers across an energy gap. The evolution of the energy gap with doping is reported.
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Affiliation(s)
- Scott C Riggs
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA
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5
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Balakirev FF, Betts JB, Migliori A, Tsukada I, Ando Y, Boebinger GS. Quantum phase transition in the magnetic-field-induced normal state of optimum-doped high-Tc cuprate superconductors at low temperatures. Phys Rev Lett 2009; 102:017004. [PMID: 19257230 DOI: 10.1103/physrevlett.102.017004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2008] [Indexed: 05/27/2023]
Abstract
A 60 T magnetic field suppresses the superconducting transition temperature T_{c} in La_{2-p}Sr_{p}CuO_{4} to reveal a Hall number anomaly, which develops only at temperatures below zero-field T_{c} and peaks at the exact location of p that maximizes T_{c}. The anomaly bears a striking resemblance to observations in Bi_{2}Sr_{2-x}La_{x}CuO_{6+delta}, suggesting a normal-state phenomenology common to the cuprates that underlies the high-temperature superconducting phase. The peak is ascribed to a Fermi surface reconstruction at a quantum phase transition near optimum doping that is coincident with the collapse of the pseudogap state.
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Affiliation(s)
- F F Balakirev
- National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
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6
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Novoselov KS, Jiang Z, Zhang Y, Morozov SV, Stormer HL, Zeitler U, Maan JC, Boebinger GS, Kim P, Geim AK. Room-Temperature Quantum Hall Effect in Graphene. Science 2007; 315:1379. [PMID: 17303717 DOI: 10.1126/science.1137201] [Citation(s) in RCA: 917] [Impact Index Per Article: 53.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The quantum Hall effect (QHE), one example of a quantum phenomenon that occurs on a truly macroscopic scale, has attracted intense interest since its discovery in 1980 and has helped elucidate many important aspects of quantum physics. It has also led to the establishment of a new metrological standard, the resistance quantum. Disappointingly, however, the QHE has been observed only at liquid-helium temperatures. We show that in graphene, in a single atomic layer of carbon, the QHE can be measured reliably even at room temperature, which makes possible QHE resistance standards becoming available to a broader community, outside a few national institutions.
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Affiliation(s)
- K S Novoselov
- Department of Physics, University of Manchester, Manchester M13 9PL, UK
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7
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Gao XPA, Boebinger GS, Mills AP, Ramirez AP, Pfeiffer LN, West KW. Strongly enhanced hole-phonon coupling in the metallic state of the dilute two-dimensional hole gas. Phys Rev Lett 2005; 94:086402. [PMID: 15783911 DOI: 10.1103/physrevlett.94.086402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2004] [Indexed: 05/24/2023]
Abstract
We have studied the temperature dependent phonon emission rate P(T) of a strongly interacting (r(s) > or =22) dilute 2D GaAs hole system using a standard carrier heating technique. In the still poorly understood metallic state, we observe that P(T) changes from P(T) approximately T5 to P(T) approximately T7 above 100 mK, indicating a crossover from screened piezoelectric (PZ) coupling to screened deformation potential (DP) coupling for hole-phonon scattering. Quantitative comparison with theory shows that the long range PZ coupling between holes and phonons has the expected magnitude; however, in the metallic state, the short range DP coupling between holes and phonons is almost 20 times stronger than expected from theory. The density dependence of P(T) shows that it is easier to cool low-density 2D holes in GaAs than higher density 2D hole systems.
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Affiliation(s)
- X P A Gao
- Los Alamos National Laboratory, Los Alamos, NM 87545, USA.
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8
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Gao XPA, Boebinger GS, Mills AP, Ramirez AP, Pfeiffer LN, West KW. Temperature and magnetic-field-enhanced hall slope of a dilute 2D hole system in the ballistic regime. Phys Rev Lett 2004; 93:256402. [PMID: 15697919 DOI: 10.1103/physrevlett.93.256402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2004] [Indexed: 05/24/2023]
Abstract
We report the temperature (T) and perpendicular magnetic-field (B) dependence of the Hall resistivity rho(xy)(B) of dilute metallic 2D holes in GaAs over a broad range of temperature (0.02-1.25 K). The low B Hall coefficient, R(H), is found to be enhanced when T decreases. Strong magnetic fields further enhance the slope of rho(xy)(B) at all temperatures studied. Coulomb interaction corrections of a Fermi liquid (FL) in the ballistic regime can not explain the enhancement of rho(xy) which occurs in the same regime as the anomalous metallic longitudinal conductivity. In particular, although the metallic conductivity in 2D systems has been attributed to electron interactions in a FL, these same interactions should reduce, not enhance, the slope of rho(xy)(B) as T decreases and/or B increases.
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Affiliation(s)
- X P A Gao
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
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9
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Ando Y, Ono S, Sun XF, Takeya J, Balakirev FF, Betts JB, Boebinger GS. Quantum phase transitions in the cuprate superconductor Bi2Sr2-xLaxCuO6+delta. Phys Rev Lett 2004; 92:247004. [PMID: 15245125 DOI: 10.1103/physrevlett.92.247004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2004] [Indexed: 05/24/2023]
Abstract
To elucidate a quantum phase transition (QPT) in Bi(2)Sr(2-x)La(x)CuO(6+delta), we measure charge and heat transport properties at very low temperatures and examine the following characteristics for a wide range of doping: normal-state resistivity anisotropy under 58 T, temperature dependence of the in-plane thermal conductivity kappa(ab), and the magnetic-field dependence of kappa(ab). It turns out that all of them show signatures of a QPT at the 1/8 hole doping. Together with the recent normal-state Hall measurements under 58 T that signified the existence of a QPT at optimum doping, the present results indicate that there are two QPTs in the superconducting doping regime of this material.
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Affiliation(s)
- Yoichi Ando
- Central Research Institute of Electric Power Industry, Komae, Tokyo 201-8511, Japan.
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10
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Kim KH, Harrison N, Jaime M, Boebinger GS, Mydosh JA. Magnetic-field-induced quantum critical point and competing order parameters in URu2Si2. Phys Rev Lett 2003; 91:256401. [PMID: 14754130 DOI: 10.1103/physrevlett.91.256401] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2003] [Indexed: 05/24/2023]
Abstract
A comprehensive transport study, as a function of temperature and continuous magnetic fields of up to 45 T, reveals that URu2Si2 possesses all the essential hallmarks of quantum criticality at fields around 37+/-1 T. The formation of multiple phases at low temperatures at and around the quantum critical point suggests the existence of competing order parameters.
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Affiliation(s)
- K H Kim
- National High Magnetic Field Laboratory, MS E536 LANL, Los Alamos, New Mexico 87545, USA
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11
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Abstract
Magnetic fields change the way that electrons move through solids. The nature of these changes reveals information about the electronic structure of a material and, in auspicious circumstances, can be harnessed for applications. The silver chalcogenides, Ag2Se and Ag2Te, are non-magnetic materials, but their electrical resistance can be made very sensitive to magnetic field by adding small amounts--just 1 part in 10,000--of excess silver. Here we show that the resistance of Ag2Se displays a large, nearly linear increase with applied magnetic field without saturation to the highest fields available, 600,000 gauss, more than a million times the Earth's magnetic field. These characteristics of large (thousands of per cent) and near-linear response over a large field range make the silver chalcogenides attractive as magnetic-field sensors, especially in physically tiny megagauss (10(6) G) pulsed magnets where large fields have been produced but accurate calibration has proved elusive. High-field studies at low temperatures reveal both oscillations in the magnetoresistance and a universal scaling form that point to a quantum origin for this material's unprecedented behaviour.
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Affiliation(s)
- A Husmann
- The James Franck Institute and Department of Physics, The University of Chicago, Chicago, Illinois 60637, USA
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12
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Guy DRP, Boebinger GS, Marseglia EA, Friend RH, Bechgaard K. Temperature dependence of the unit cell of (TMTSF)2ReO4through the metal-insulator transition. ACTA ACUST UNITED AC 2000. [DOI: 10.1088/0022-3719/16/4/015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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13
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Ono S, Ando Y, Murayama T, Balakirev FF, Betts JB, Boebinger GS. Metal-to-insulator crossover in the low-temperature normal state of Bi(2)Sr(2-x)La(x)CuO(6+delta). Phys Rev Lett 2000; 85:638-641. [PMID: 10991359 DOI: 10.1103/physrevlett.85.638] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2000] [Indexed: 05/23/2023]
Abstract
We measure the normal-state in-plane resistivity of Bi(2)Sr(2-x)La(x)CuO(6+delta) single crystals at low temperatures by suppressing superconductivity with 60 T pulsed magnetic fields. With decreasing hole doping, we observe a crossover from a metallic to an insulating behavior in the low-temperature normal state. This crossover is estimated to occur near 1/8 doping, well inside the underdoped regime, and not at optimum doping as reported for other cuprates. The insulating regime is marked by a logarithmic temperature dependence of the resistivity over two decades of temperature, suggesting that a peculiar charge localization is common to the cuprates.
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Affiliation(s)
- S Ono
- Central Research Institute of Electric Power Industry, Komae, Tokyo 201-8511, Japan
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14
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Aksyuk V, Balakirev FF, Boebinger GS, Gammel PL, Haddon RC, Bishop DJ. Micromechanical "Trampoline" magnetometers for use in large pulsed magnetic fields. Science 1998; 280:720-2. [PMID: 9563944 DOI: 10.1126/science.280.5364.720] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
A silicon micromechanical magnetometer was constructed and successfully used in 60-tesla pulsed magnetic fields of less than 100-millisecond duration. The device is small, inexpensive to fabricate, and easy to use. It features a fast mechanical response (up to 50,000 hertz) and extremely high sensitivity yet is relatively robust against electrical and mechanical noise. Quantum oscillations in the magnetization of a 1-microgram sample of an organic superconductor, kappa-[bis(ethylenedithio)tetrathiafulvalene]2Cu(NCS)2, have been observed with this device.
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Affiliation(s)
- V Aksyuk
- V. Aksyuk, P. L. Gammel, R. C. Haddon, D. J. Bishop, Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07974, USA. F. F. Balakirev and G. S. Boebinger, Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07974, USA, and
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15
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Boebinger GS, Ando Y, Passner A, Kimura T, Okuya M, Shimoyama J, Kishio K, Tamasaku K, Ichikawa N, Uchida S. Insulator-to-Metal Crossover in the Normal State of La2-xSrxCuO 4 Near Optimum Doping. Phys Rev Lett 1996; 77:5417-5420. [PMID: 10062798 DOI: 10.1103/physrevlett.77.5417] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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16
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Ando Y, Boebinger GS, Passner A, Wang NL, Geibel C, Steglich F. Metallic In-Plane and Divergent Out-of-Plane Resistivity of a High-Tc Cuprate in the Zero-Temperature Limit. Phys Rev Lett 1996; 77:2065-2068. [PMID: 10061848 DOI: 10.1103/physrevlett.77.2065] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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17
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Ando Y, Boebinger GS, Passner A, Kimura T, Kishio K. Logarithmic divergence of both in-plane and out-of-plane normal-state resistivities of superconducting La2-xSrxCuO4 in the zero-temperature limit. Phys Rev Lett 1995; 75:4662-4665. [PMID: 10059966 DOI: 10.1103/physrevlett.75.4662] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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18
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Müller G, Boebinger GS, Mathur H, Pfeiffer LN, West KW. Precursors and transition to chaos in a quantum well in a tilted magnetic field. Phys Rev Lett 1995; 75:2875-2878. [PMID: 10059427 DOI: 10.1103/physrevlett.75.2875] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Murphy SQ, Eisenstein JP, Boebinger GS, Pfeiffer LN, West KW. Many-body integer quantum Hall effect: Evidence for new phase transitions. Phys Rev Lett 1994; 72:728-731. [PMID: 10056508 DOI: 10.1103/physrevlett.72.728] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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20
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Boebinger GS, Levi AF, Passner A, Pfeiffer LN, West KW. Direct observation of the electron spectral function in the integer and fractional quantum Hall regimes by resonant tunneling. Phys Rev B Condens Matter 1993; 47:16608-16611. [PMID: 10006103 DOI: 10.1103/physrevb.47.16608] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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21
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Boebinger GS, Palstra TT, Passner A, Rosseinsky MJ, Murphy DW, Mazin II. Evidence of upper-critical-field enhancement in K3C60 powders. Phys Rev B Condens Matter 1992; 46:5876-5879. [PMID: 10004404 DOI: 10.1103/physrevb.46.5876] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Boebinger GS, Pfeiffer LN, West KW. Direct observation of an electronic phase transition in a double quantum well. Phys Rev B Condens Matter 1992; 45:11391-11394. [PMID: 10001078 DOI: 10.1103/physrevb.45.11391] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Eisenstein JP, Boebinger GS, Pfeiffer LN, West KW, He S. New fractional quantum Hall state in double-layer two-dimensional electron systems. Phys Rev Lett 1992; 68:1383-1386. [PMID: 10046152 DOI: 10.1103/physrevlett.68.1383] [Citation(s) in RCA: 131] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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24
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Boebinger GS, Passner A, Pfeiffer LN, West KW. Measurement of Fermi-surface distortion in double quantum wells from in-plane magnetic fields. Phys Rev B Condens Matter 1991; 43:12673-12676. [PMID: 9997081 DOI: 10.1103/physrevb.43.12673] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Boebinger GS, Levi AF, Schmitt-Rink S, Passner A, Pfeiffer LN, West KW. Direct observation of two-dimensional magnetopolarons in a resonant tunnel junction. Phys Rev Lett 1990; 65:235-238. [PMID: 10042587 DOI: 10.1103/physrevlett.65.235] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Boebinger GS, Jiang HW, Pfeiffer LN, West KW. Magnetic-field-driven destruction of quantum Hall states in a double quantum well. Phys Rev Lett 1990; 64:1793-1796. [PMID: 10041490 DOI: 10.1103/physrevlett.64.1793] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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28
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Boebinger GS, Montambaux G, Kaplan ML, Haddon RC, Chichester SV, Chiang LY. Anomalous magnetoresistance anisotropy in metallic and spin-density-wave phases of the quasi-one-dimensional organic conductor (TMTSF)2ClO4. Phys Rev Lett 1990; 64:591-594. [PMID: 10042023 DOI: 10.1103/physrevlett.64.591] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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29
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Stormer HL, Levi AF, Baldwin KW, Anzlowar M, Boebinger GS. Normal-state transport parameters of epitaxial thin films of YBa2Cu3O7- delta. Phys Rev B Condens Matter 1988; 38:2472-2476. [PMID: 9946554 DOI: 10.1103/physrevb.38.2472] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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30
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Boebinger GS, Stormer HL, Tsui DC, Chang AM, Hwang JC, Cho AY, Tu CW, Weimann G. Activation energies and localization in the fractional quantum Hall effect. Phys Rev B Condens Matter 1987; 36:7919-7929. [PMID: 9942588 DOI: 10.1103/physrevb.36.7919] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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31
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Boebinger GS, Guldner Y, Berroir JM, Voos M, Vieren JP, Faurie JP. Magneto-optical evidence of the exchange interaction in a Hg1-xMnxTe-CdTe superlattice. Phys Rev B Condens Matter 1987; 36:7930-7933. [PMID: 9942589 DOI: 10.1103/physrevb.36.7930] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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32
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Boebinger GS, Vieren JP, Voos M, Faurie JP. Charge transfer in Hg1-xCdxTe-CdTe heterostructures. Phys Rev B Condens Matter 1987; 36:2958-2961. [PMID: 9943199 DOI: 10.1103/physrevb.36.2958] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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33
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Boebinger GS, Chang AM, Stormer HL, Tsui DC. Magnetic field dependence of activation energies in the fractional quantum Hall effect. Phys Rev Lett 1985; 55:1606-1609. [PMID: 10031868 DOI: 10.1103/physrevlett.55.1606] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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34
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Boebinger GS, Chang AM, Stormer HL, Tsui DD. Competition between neighboring minima in the fractional quantum Hall effect. Phys Rev B Condens Matter 1985; 32:4268-4271. [PMID: 9937600 DOI: 10.1103/physrevb.32.4268] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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