High Critical-Current Superconductor-InAs Nanowire-Superconductor Junctions
Identifieur interne : 000513 ( Chine/Analysis ); précédent : 000512; suivant : 000514High Critical-Current Superconductor-InAs Nanowire-Superconductor Junctions
Auteurs : RBID : Pascal:13-0003059Descripteurs français
- Pascal (Inist)
- Arséniure d'indium, Semiconducteur III-V, Composé III-V, Nanofil, Nanomatériau, Jonction supraconductrice, Décollement épitaxique, Dispositif nanofil, Contact ohmique, Caractéristique courant tension, Blocage Coulomb, Electrode commande, Supraconducteur, Tellurure de gallium, InAs, 7478N, 8107V, 8107B, 8535K, Nanofabrication.
English descriptors
- KwdEn :
Abstract
We report on the fabrication of InAs nanowires coupled to superconducting leads with high critical current and widely tunable conductance. We implemented a double lift-off nanofabrication method to get very short nanowire devices with Ohmic contacts. We observe very high critical currents of up to 800 nA in a wire with a diameter of 80 nm. The current- voltage characteristics of longer and suspended nanowires display either Coulomb blockade or supercurrent depending on a local gate voltage, combining different regimes of transport in a single device.
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Pascal:13-0003059Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">High Critical-Current Superconductor-InAs Nanowire-Superconductor Junctions</title>
<author><name sortKey="Abay, Simon" uniqKey="Abay S">Simon Abay</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology</s1>
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<country>Suède</country>
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<author><name sortKey="Nilsson, Henrik" uniqKey="Nilsson H">Henrik Nilsson</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Division of Solid State Physics, Lund University, Box 118</s1>
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<author><name>FAN WU</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology</s1>
<s2>412 96 Göteborg</s2>
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<author><name sortKey="Xu, H Q" uniqKey="Xu H">H. Q Xu</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Division of Solid State Physics, Lund University, Box 118</s1>
<s2>221 00 Lund</s2>
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<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University</s1>
<s2>Beijing 100871</s2>
<s3>CHN</s3>
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<country>République populaire de Chine</country>
<placeName><settlement type="city">Pékin</settlement>
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</author>
<author><name sortKey="Wilson, C M" uniqKey="Wilson C">C. M. Wilson</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology</s1>
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<author><name sortKey="Delsing, Per" uniqKey="Delsing P">Per Delsing</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology</s1>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Coulomb blockade</term>
<term>Gallium tellurides</term>
<term>Gates</term>
<term>III-V compound</term>
<term>III-V semiconductors</term>
<term>IV characteristic</term>
<term>Indium arsenides</term>
<term>Lift off</term>
<term>Nanofabrication</term>
<term>Nanostructured materials</term>
<term>Nanowire device</term>
<term>Nanowires</term>
<term>Ohmic contacts</term>
<term>Superconducting junctions</term>
<term>Superconductors</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Arséniure d'indium</term>
<term>Semiconducteur III-V</term>
<term>Composé III-V</term>
<term>Nanofil</term>
<term>Nanomatériau</term>
<term>Jonction supraconductrice</term>
<term>Décollement épitaxique</term>
<term>Dispositif nanofil</term>
<term>Contact ohmique</term>
<term>Caractéristique courant tension</term>
<term>Blocage Coulomb</term>
<term>Electrode commande</term>
<term>Supraconducteur</term>
<term>Tellurure de gallium</term>
<term>InAs</term>
<term>7478N</term>
<term>8107V</term>
<term>8107B</term>
<term>8535K</term>
<term>Nanofabrication</term>
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<front><div type="abstract" xml:lang="en">We report on the fabrication of InAs nanowires coupled to superconducting leads with high critical current and widely tunable conductance. We implemented a double lift-off nanofabrication method to get very short nanowire devices with Ohmic contacts. We observe very high critical currents of up to 800 nA in a wire with a diameter of 80 nm. The current- voltage characteristics of longer and suspended nanowires display either Coulomb blockade or supercurrent depending on a local gate voltage, combining different regimes of transport in a single device.</div>
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<fA05><s2>12</s2>
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<fA08 i1="01" i2="1" l="ENG"><s1>High Critical-Current Superconductor-InAs Nanowire-Superconductor Junctions</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>ABAY (Simon)</s1>
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<fA11 i1="02" i2="1"><s1>NILSSON (Henrik)</s1>
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<fA11 i1="04" i2="1"><s1>XU (H. Q)</s1>
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<fA11 i1="06" i2="1"><s1>DELSING (Per)</s1>
</fA11>
<fA14 i1="01"><s1>Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology</s1>
<s2>412 96 Göteborg</s2>
<s3>SWE</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Division of Solid State Physics, Lund University, Box 118</s1>
<s2>221 00 Lund</s2>
<s3>SWE</s3>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University</s1>
<s2>Beijing 100871</s2>
<s3>CHN</s3>
<sZ>4 aut.</sZ>
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<fC01 i1="01" l="ENG"><s0>We report on the fabrication of InAs nanowires coupled to superconducting leads with high critical current and widely tunable conductance. We implemented a double lift-off nanofabrication method to get very short nanowire devices with Ohmic contacts. We observe very high critical currents of up to 800 nA in a wire with a diameter of 80 nm. The current- voltage characteristics of longer and suspended nanowires display either Coulomb blockade or supercurrent depending on a local gate voltage, combining different regimes of transport in a single device.</s0>
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<fC02 i1="04" i2="X"><s0>001D03F18</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Arséniure d'indium</s0>
<s2>NK</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Indium arsenides</s0>
<s2>NK</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Semiconducteur III-V</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>III-V semiconductors</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Composé III-V</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>III-V compound</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Compuesto III-V</s0>
<s5>03</s5>
</fC03>
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<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>Nanowires</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Nanomatériau</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Nanostructured materials</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Jonction supraconductrice</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Superconducting junctions</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Décollement épitaxique</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Lift off</s0>
<s5>07</s5>
</fC03>
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<s5>07</s5>
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<s5>08</s5>
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<fC03 i1="08" i2="X" l="ENG"><s0>Nanowire device</s0>
<s5>08</s5>
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<fC03 i1="08" i2="X" l="SPA"><s0>Dispositivo nanohilo</s0>
<s5>08</s5>
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<s5>09</s5>
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<fC03 i1="09" i2="3" l="ENG"><s0>Ohmic contacts</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Caractéristique courant tension</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>IV characteristic</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Blocage Coulomb</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Coulomb blockade</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE"><s0>Electrode commande</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG"><s0>Gates</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE"><s0>Supraconducteur</s0>
<s5>15</s5>
</fC03>
<fC03 i1="13" i2="3" l="ENG"><s0>Superconductors</s0>
<s5>15</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE"><s0>Tellurure de gallium</s0>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG"><s0>Gallium tellurides</s0>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="15" i2="3" l="FRE"><s0>InAs</s0>
<s4>INC</s4>
<s5>46</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE"><s0>7478N</s0>
<s4>INC</s4>
<s5>71</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE"><s0>8107V</s0>
<s4>INC</s4>
<s5>72</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE"><s0>8107B</s0>
<s4>INC</s4>
<s5>73</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE"><s0>8535K</s0>
<s4>INC</s4>
<s5>74</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE"><s0>Nanofabrication</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="20" i2="3" l="ENG"><s0>Nanofabrication</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="20" i2="3" l="SPA"><s0>Nanofabricación</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fN21><s1>007</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
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