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We report on the optical and physical characterization of metallic nanowire (NW) metamaterials fabricated by electrodeposition of ~30 nm diameter gold nanowires in nano-porous anodic aluminum oxide. We observe a uniaxial anisotropic…

The controlled growth of nanowires (NWs) with dimensions comparable to the Fermi wavelengths of the charge carriers allows fundamental investigations of quantum confinement phenomena. Here, we present studies of proximity-induced…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Jie Xiang , A. Vidan , M. Tinkham , R. M. Westervelt , Charles M. Lieber

To examine thermoelectric (TE) properties of a semiconductor nanowire (NW) network, we propose a theoretical approach mapping the TE network on a two-port network. In contrast to a conventional single-port (i.e., resistor) network model,…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 Oleksiy Roslyak , Andrei Piryatinski

Metal-semiconductor contacts play a key role in electronics. Here we show that for quasi-one dimensional (Q1D) structures such as nanotubes and nanowires, side contact with the metal only leads to weak band realignment, in contrast with…

Materials Science · Physics 2009-11-11 F. Leonard , A. A. Talin

We have studied charge transport through individual Borromean Ring complexes, both with and without anchor groups, in gated double barrier tunneling junctions (DBTJs) formed using the electrical breakjunction technique on gold nanowires.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 G. D. Scott , K. S. Chichak , A. J. Peters , S. J. Cantrill , J. F. Stoddart , H. W. Jiang

Photo-bolometric effect is critically important in optoelectronic structures and devices employing metallic electrodes with nanoscale features due to heating caused by the plasmonic field enhancement. One peculiar case is individual silver…

Mesoscale and Nanoscale Physics · Physics 2022-02-15 Mohammadali Razeghi , Merve Üstünçelik , Farzan Shabani , Hilmi Volkan Demir , T. Serkan Kasırga

The scaling limitations of conventional transistors demand alternative device concepts capable of dynamic reconfigurability at the atomic scale. Resistive switching (RS), a key mechanism for neuromorphic computing and non-volatile memory,…

Compared to van der Waals moir\'e systems, molecular assembly has emerged as an exciting alternative platform for superlattice engineering via heterointegration. The electronic properties of the self-assembled square lattice monolayer…

Materials Science · Physics 2026-03-17 Adrian Bahri , Zhibo Kang , Ziyan Zhu , Eric I. Altman , Yu He , Chunjing Jia

Energetics and conductance in jellium modelled nanowires are investigated using the local-density-functional-based shell correction method. In analogy with studies of other finite-size fermion systems, e.g., simple-metal clusters or He-3…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Constantine Yannouleas , Uzi Landman

The promise of enhanced performance has motivated the study of one dimensional nanomaterials, especially aligned carbon nanotubes (A-CNTs), for the reinforcement of polymeric materials. While early work has shown that CNTs have remarkable…

Applied Physics · Physics 2017-12-19 Itai Y. Stein , Brian L. Wardle

We investigate magnetic, charge and transport properties of hexagonal graphene nanoflakes (GNFs) connected to two metallic leads by using the functional renormalization group (fRG) method. The interplay between the on-site and long-range…

Strongly Correlated Electrons · Physics 2021-12-30 V. S. Protsenko , A. A. Katanin

We present an application of a new formalism to treat the quantum transport properties of fully interacting nanoscale junctions [Phys. Rev. B {\bf 84}, 235428 (2011)]. We consider a model single-molecule nanojunction in the presence of two…

Mesoscale and Nanoscale Physics · Physics 2012-10-15 H. Ness , L. K. Dash

Interconnected magnetic nanowire (NW) networks offer a promising platform for 3-dimensional (3D) information storage and integrated neuromorphic computing. Here we report discrete propagation of magnetic states in interconnected Co nanowire…

Realizing a controllable network with multiple degrees of interaction is a challenge to physics and engineering. Here, we experimentally report an on-chip reconfigurable network based on nanoelectromechanical resonators with…

Quantum Physics · Physics 2020-09-08 Tian Tian , Shaochun Lin , Liang Zhang , Peiran Yin , Pu Huang , Changkui Duan , Liang Jiang , Jiangfeng Du

Functionally graded materials (FGM) eliminate the stress singularity in the interface between two different materials and therefore have a wide range of applications in high temperature environments such as engines, nuclear reactors,…

Magnetic properties of quasi one-dimensional vanadium-benzene nanowires (VBNW) are investigated theoretically with the absorption of gas molecules-NO and NO2. With the increase adsorption of NO on VBNW, the phase transition from half metal…

Materials Science · Physics 2017-07-25 Min Wang , Yan Zhou , Sui Kong Hark , Xi Zhu

Control and manipulation of electric current and, especially, its degree of spin polarization (spin filtering) across single molecules are currently of great interest in the field of molecular spintronics. We explore one possible strategy…

Mesoscale and Nanoscale Physics · Physics 2019-08-20 Dongzhe Li , Rajdeep Banerjee , Sourav Mondal , Ivan Maliyov , Mariya Romanova , Yannick J. Dappe , Alexander Smogunov

It is often intriguing experimentally to take stock of how conformational changes in the device configuration may impact the overall charge transport behavior of single-molecule junctions. Based on the allied approach of density functional…

Mesoscale and Nanoscale Physics · Physics 2020-02-06 Talem Rebeda Roy , Arijit Sen

Hybrid polymer-plasmonic nanostructures might combine high enhancement of localized fields from metal nanoparticles with light confinement and long-range transport in subwavelength dielectric structures. Here we report on the complex…

Coupled quasi-one-dimensional (quasi-1D) electron systems host rich emergent physics that cannot be accounted for by understanding isolated 1D electron systems alone. Open questions remain about how transport in these arrays can be…