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Metal-string complexes in the quasi-1D framework may play an important role in molecular electronics by serving not only as nanoscale interconnects but also as active functional elements for nanoelectronic devices. However, because of the…

Mesoscale and Nanoscale Physics · Physics 2020-01-03 Talem Rebeda Roy , Arijit Sen

We demonstrate a high electron conductivity (> 10^2 S/cm and up to 10^3 S/cm) of tungsten suboxide W18O(52.4-52.9)(or equivalently WO(2.91-2.94)) nanotubes (2 to 3 nm in diameter, ca. micrometer long). The conductivity is measured in the…

We report on THz absorption spectroscopy combined with high magnetic fields of polycrystalline RCrO3 (R= Pr, Sm, Er) aiming understanding spin wave resonances at their low temperature magnetic phases. Our measurements show that the…

We have measured the thermal conductivity along the c-axis, \k{appa}||c, parallel to ferromagnetic spin-chains of single crystals of the S = 1/2 quasi-one-dimensional spin system CsCuCl3 in magnetic fields up to 14 T, in order to…

Strongly Correlated Electrons · Physics 2015-10-30 T. Kawamata , H. Sudo , Y. Matsuoka , K. Naruse , M. Ohno , T. Sasaki , Y. Koike

By using the arc-melting method, we successfully synthesized the compound Sc$_{0.5}$Zr$_{0.5}$Co with the space group of $Pm$-$3m$. Both the resistivity and magnetic susceptibility measurements reveal a phase transition at about 86 K. This…

Materials Science · Physics 2020-07-06 Jin Si , Xinwei Fan , Enyu Wang , Xiyu Zhu , Qing Li , Hai-Hu Wen

Single molecules are nanoscale thermodynamic systems with few degrees of freedom. Thus, the knowledge of their entropy can reveal the presence of microscopic electron transfer dynamics, that are difficult to observe otherwise. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 Eugenia Pyurbeeva , Chunwei Hsu , David Vogel , Christina Wegeberg , Marcel Mayor , Herre van der Zant , Jan A. Mol , Pascal Gehring

We investigate theoretically the thermoelectric transport through a circuit implementation of the three-channel "charge" Kondo model quantum simulator [Z. Iftikhar et al., Science 360, 1315 (2018)]. The universal temperature scaling law of…

Mesoscale and Nanoscale Physics · Physics 2020-07-09 T. K. T. Nguyen , M. N. Kiselev

Using variational matrix product states, we analyze the finite temperature behavior of a half-filled periodic Anderson model in one dimension, a prototypical model of a Kondo insulator. We present an extensive analysis of single-particle…

Strongly Correlated Electrons · Physics 2023-06-21 Robert Peters , Roman Rausch

The quasi-one-dimensional organic conductors (TMTTF)$_2X$ with non-centrosymmetric anions commonly undergo charge- and anion-order transitions upon cooling. While for compounds with tetrahedral anions ($X$ = BF$_4^-$, ReO$_4^-$, and…

Strongly Correlated Electrons · Physics 2021-04-23 Olga Iakutkina , Lena Nadine Majer , Guilherme Gorgen Lesseux , Gabriele Untereiner , Martin Dressel

We have investigated the systematic transport properties of the layered 112-type cobaltite LaBaCo2O5.5 by means of electrical resistivity, magnetoresistance, electroresistance and thermoelectric measurements in various conditions. In order…

Materials Science · Physics 2009-01-27 Asish K. Kundu , B. Raveau , V. Caignaert , E. -L. Rautama , V. Pralong

We present a comprehensive theoretical analysis of the spin-dependent thermoelectric properties of a double quantum dot system coupled to a topological superconducting nanowire and ferromagnetic leads. The study focuses on the behavior of…

Mesoscale and Nanoscale Physics · Physics 2025-09-18 Piotr Majek , Ireneusz Weymann

Terahertz spintronic devices combine ultrafast operation with low power consumption, making them strong candidates for next-generation memory technologies. In this study, we use time-domain terahertz emission spectroscopy to investigate…

A model of charge hopping transport that accounts for anisotropy of localized states and Coulomb interaction between charges is proposed. For the anisotropic localized states the degree of orientation relates exponentially to the ratio of…

Mesoscale and Nanoscale Physics · Physics 2022-04-05 S. Ihnatsenka

The crossover between two different conduction mechanisms (variable range and small polaron hoppings) is probed utilizing a conjunction of thermally varying conductivity and impedance in polycrystalline Pr2NiTiO6 (PNT). A combination of…

Materials Science · Physics 2019-09-26 Moumin Rudra , Saswata Halder , Sujoy Saha , Alo Dutta , T. P. Sinha

Nano engineered spin degree of freedom in carbon system may offer desired exchange coupling with optimum spin orbit interaction which is essential, to construct solid state qubits, for fault tolerant quantum computation. The purpose of this…

Atomic and Molecular Clusters · Physics 2013-08-27 Ashwini P. Alegaonkar , Arvind Kumar , Satish K. Pardeshi , Prashant S. Alegaonkar

We investigate the c-direction conduction in CrSBr in the linear regime, not accessible in other van der Waals (vdW) magnetic semiconductors, because of the unmeasurably low current. The resistivity -- $10^8$ to $10^{11}$ times larger than…

We develop in this paper a theoretical framework that applies to the intermediate regime between the Coulomb blockade and the Luttinger liquid behavior in multi-walled carbon nanotubes. Our main goal is to confront the experimental…

Strongly Correlated Electrons · Physics 2009-11-11 S. Bellucci , J. Gonzalez , P. Onorato , E. Perfetto

We investigate the evolution of electronic transport across the topological-trivial phase transition in ${\rm In}_{x}({\rm Bi}_{0.3}{\rm Sb}_{0.7})_{2-x}{\rm Te}_3$ thin films by systematically tuning the indium concentration $x$.…

Materials Science · Physics 2025-12-18 Sambhu G Nath , Subhadip Manna , Kanav Sharma , Amar Verma , Ritam Banerjee , R K Gopal , Chiranjib Mitra

Scaling laws and universality are often associated with systems exhibiting emergent phenomena possessing a characteristic energy scale. We report nonequilibrium transport measurements on two different types of single-molecule transistor…

Mesoscale and Nanoscale Physics · Physics 2009-04-20 G. D. Scott , Z. K. Keane , J. W. Ciszek , J. M. Tour , D. Natelson

Measurements of the nonlinear conductivity in NbSe$_3$ when the high-T and the low-T charge-density waves (CDWs) are simultaneously sliding have been performed. It is shown that the threshold electric field, $E_{t1}$, for depinning the…

Strongly Correlated Electrons · Physics 2015-06-12 A. A. Sinchenko , P. Monceau