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We present measurements of the temperature-dependent conductance for series arrays of small-capacitance SQUIDs. At low bias voltages, the arrays exhibit a strong Coulomb blockade, which we study in detail as a function of temperature and…

We study the thermoelectric transport through a single-level quantum dot (QD) coupled to two normal metallic leads and side-coupled to Majorana bound state (MBS). The Coulomb interaction in QD is considered. To investigate only the…

Mesoscale and Nanoscale Physics · Physics 2019-05-10 Chol Won Ri , Kum Hyok Jong , Song Jin Im , Hak Chol Pak

We study the thermoelectrical transports for an interacting dot attached to two graphene electrodes. Graphene band structure shows a pseudogap density of states that affects strongly the transport properties. In this work, we focus on the…

Mesoscale and Nanoscale Physics · Physics 2016-01-12 Jose Ramon Isern-Lozano , Ioan Grosu , Rosa Lopez , Jong Soo Lim , Mircea Crisan

The thermal transport in partially trenched silicon nitride membranes has been studied in the temperature range from 0.3 to 0.6 K, with the transition edge sensor (TES), the sole source of membrane heating. The test configuration consisted…

Instrumentation and Detectors · Physics 2010-11-02 V. Yefremenko , G. Wang , V. Novosad , A. Datesman , J. Pearson , R. Divan , C. Chang , T. Downes , J. McMahon , L. Bleem , A. Crites , S. S. Meyer , J. E. Carlstrom

Recently, great progress has been made in the field of ultrasensitive microwave detectors, reaching even the threshold for utilization in circuit quantum electrodynamics. However, cryogenic sensors lack the compatibility with broad-band…

Mesoscale and Nanoscale Physics · Physics 2023-03-06 J. -P. Girard , R. E. Lake , W. Liu , R. Kokkoniemi , E. Visakorpi , J. Govenius , M. Möttönen

As the dimensions of a conductor approach the nano-scale, quantum effects will begin to dominate its behavior. This entails the exciting possibility of controlling the conductance of a device by direct manipulation of the electron wave…

We have conducted temperature and frequency dependent transport measurements in amorphous Nb_x Si_{1-x} samples in the insulating regime. We find a temperature dependent dc conductivity consistent with variable range hopping in a Coulomb…

Strongly Correlated Electrons · Physics 2009-11-07 Erik Helgren , George Grüner , Martin Ciofalo , David V. Baxter , John P. Carini

We discuss the low-frequency response of charge and heat transport to oscillatory voltage and temperature shifts in mesoscopic capacitors. We obtain within scattering theory generic expressions for the quantum admittances up to second order…

Mesoscale and Nanoscale Physics · Physics 2013-11-19 Jong Soo Lim , Rosa Lopez , David Sanchez

In this perspective, we discuss thermal imbalance and the associated electron-mediated thermal transport in quantum electronic devices at very low temperatures. We first present the theoretical approaches describing heat transport in…

Mesoscale and Nanoscale Physics · Physics 2024-04-09 Danial Majidi , Justin P. Bergfield , Ville Maisi , Johannes Höfer , Hervé Courtois , Clemens B. Winkelmann

Thermal transport in low-dimensional semiconductors is crucial for advancing thermal management in nanoelectronics, quantum devices, and thermoelectric devices. Recent molecular dynamics (MD) studies have identified a nonmonotonic…

Mesoscale and Nanoscale Physics · Physics 2026-05-27 Lokanath Patra , Mayur Pratap Singh , Satish Kumar

We develop a method of theoretically investigating the charge, energy and heat transport in the presence of the charge Kondo correlations. The Coulomb blockade oscillations of heat conductance in the single electron transistor exhibiting…

Mesoscale and Nanoscale Physics · Physics 2021-01-01 D. B. Karki

We study the thermal diffusion coefficient DT of a charged colloid in a temperature gradient, and find that it is to a large extent determined by the thermoelectric response of the electrolyte solution. The thermally induced salinity…

Soft Condensed Matter · Physics 2014-01-30 Alois Würger

We report evidence for multiband transport and an insulating low-temperature normal state in superconducting K$_{0.50}$Na$_{0.24}$Fe$_{1.52}$Se$_{2}$ with $T_{c}\approx 20$ K. The temperature-dependent upper critical field, $H_{c2}$, is…

Superconductivity · Physics 2016-04-25 Hyejin Ryu , F. Wolff-Fabris , J. B. Warren , M. Uhlarz , J. Wosnitza , C. Petrovic

Room-temperature Coulomb blockade of charge transport through composite nanostructures containing organic inter-links has recently been observed. A pronounced charging effect in combination with the softness of the molecular links implies…

Condensed Matter · Physics 2009-10-30 L. Y. Gorelik , A. Isacsson , M. V. Voinova , B. Kasemo , R. I. Shekhter , M. Jonson

Suspended carbon nanotubes are known to support self-driven oscillations due to electromechanical feedback under certain conditions, including low temperatures and high mechanical quality factors. Prior reports identified signatures of such…

Mesoscale and Nanoscale Physics · Physics 2020-07-28 Kyle Willick , Jonathan Baugh

The thermal conductivity of a freestanding single-crystal silicon membrane may be reduced significantly by attaching nanoscale pillars on one or both surfaces. Atomic resonances of the nanopillars locally and intrinsically couple with the…

Mesoscale and Nanoscale Physics · Physics 2021-09-01 Hossein Honarvar , Mahmoud I. Hussein

We report on detailed room temperature and low temperature transport properties of double-gate Si MOSFETs with the Si well thickness in the range 7-17 nm. The devices were fabricated on silicon-on-insulator wafers utilizing wafer bonding,…

Materials Science · Physics 2009-11-11 M. Prunnila , J. Ahopelto , F. Gamiz

We report a comprehensive study of the electrical and magneto-transport properties of nanocrystals of La_0.67Ca_0.33MnO_3 (LCMO) (with size down to 15 nm) and La_0.5Sr_0.5CoO_3 (LSCO) (with size down to 35 nm) in the temperature range 0.3 K…

Mesoscale and Nanoscale Physics · Physics 2012-03-20 Tapati Sarkar , M. Venkata Kamalakar , A. K. Raychaudhuri

We have studied the resistivity, $\rho$, of a two-dimensional electron system in silicon in the temperature range 200 mK < T < 7.5 K at zero magnetic field at low electron densities, when the electron system is in the insulating regime. Our…

Condensed Matter · Physics 2009-10-28 Whitney Mason , S. V. Kravchenko , G. E. Bowker , J. E. Furneaux

We report measurements of the temperature-dependent conductivity in a silicon metal-oxide-semiconductor field-effect transistor that contains sodium impurities in the oxide layer. We explain the variation of conductivity in terms of Coulomb…

Strongly Correlated Electrons · Physics 2007-05-23 T. Ferrus , R. George , C. H. W. Barnes , N. Lumpkin , D. J. Paul , M. Pepper
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