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Density functional theory and density functional tight-binding are applied to model electron transport in copper nanowires of approximately 1 nm and 3 nm diameters with varying crystal orientation and surface termination. The copper…

This work presents a systematic study of the magnetocaloric effect in the nanostructured perovskite series $La_{0.6}Sr_{0.4}Fe_{1-x}Co_{x}O_3$ (x = 0, 0.2, 0.5, 0.8, and 1.0), synthesized by a pore-wetting method using polymeric membranes…

Materials Science · Physics 2026-05-14 Fabiana N. Morales Alvarez , Mariano Quintero , Joaquín Sacanell

Electronic structure properties of nanowires (NW) with diameters of 1.5 nm and 3 nm based on semimetallic $\alpha$-Sn are investigated by employing density functional theory and perturbative $GW$ methods. We explore the dependence of…

Materials Science · Physics 2017-01-04 Alfonso Sanchez-Soares , Conor O'Donnell , James C. Greer

Superconducting nanowires undergoing quantum phase-slips have potential for impact in electronic devices, with a high-accuracy quantum current standard among a possible toolbox of novel components. A key element of developing such…

Superconductivity · Physics 2018-06-21 N. G. N. Constantino , M. S. Anwar , O. W. Kennedy , M. Dang , P. A. Warburton , J. C. Fenton

We look at the relationship between the preparation method of Si and Ge nanostructures (NSs) and the structural, electronic, and optical properties in terms of quantum confinement (QC). QC in NSs causes a blue shift of the gap energy with…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Eric G. Barbagiovanni , David J. Lockwood , Raimundo N. Costa Filho , Lyudmila V. Goncharova , Peter J. Simpson

Bismuth ferrite (BiFeO3) is one of the most promising multiferroics with a sufficiently high ferroelectric (FE) and antiferromagnetic transition temperatures, and magnetoelectric (ME) coupling coefficient at room temperature, and thus it is…

In transition metal oxides, quantum confinement arising from a large surface to volume ratio often gives rise to novel physico-chemical properties at nanoscale. Their size dependent properties have potential applications in diverse areas,…

Wave effects of phonons can give rise to controllability of heat conduction beyond that by particle scattering at surfaces and interfaces. In this work, we propose a new class of 3D nanostructure: a silicon-nanowire-cage (SiNWC) structure…

Mesoscale and Nanoscale Physics · Physics 2016-11-02 Dengke Ma , Hongru Ding , Han Meng , Lei Feng , Yue Wu , Junichiro Shiomi , Nuo Yang

In the rapidly progressing field of organometal halide perovskites, the dimensional reduction could open up new opportunities for device applications. Herein, taking the recently synthesized trimethylsulfonium lead triiodide…

Mesoscale and Nanoscale Physics · Physics 2020-06-08 Muhammad Ejaz Khan , Juho Lee , Seongjae Byeon , Yong-Hoon Kim

The exploration of the superconductivity in two-dimensional materials has garnered significant attention due to their promising low-power applications and fundamental scientific interest. Here, we report some novel stable non-van der Waals…

Superconductivity · Physics 2025-05-22 Si-Yi Xiong , Peng Jiang , Yiming Wang , Yan-Ling Li

We report on low temperature (2-30K) electron transport and magneto-transport measurements of a chemically synthesized InAs nanowire. Both the temperature, T, and transverse magnetic field dependences of the nanowire conductance are…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Dong Liang , Mohammed R. Sakr , Xuan P. A. Gao

We have prepared crystalline nanowires (diameter ~ 50 nm, length ~ a few microns) of the charge ordering manganite Pr_0.5Ca_0.5Mn_O3 using a low reaction temperature hydrothermal method and characterized them using X-ray diffraction,…

Strongly Correlated Electrons · Physics 2007-05-23 S. S. Rao , K. N. Anuradha , S. Sarangi , S. V. Bhat

Temperature dependent Ferromagnetic Resonance measurements performed as a function of diameter on Nickel nanowire arrays reveal several interesting features in these systems. With diameter decrease from 100 nm to 15 nm, a transition induced…

Materials Science · Physics 2015-03-13 C. Tannous , A. Ghaddar , J. Gieraltowski

Ferroelectric nanoparticles of different shape and their nanocomposites are actively studied in modern physics. Because of their applications in many fields of nanotechnology, the size effects and the possible disappearance of…

Materials Science · Physics 2009-11-11 Anna N. Morozovska , Eugene A. Eliseev , Maya D. Glinchuk

We have studied the thermal, magnetic, and electrical properties of the ternary intermetallic system CeNiGe$_{3}$ by means of specific heat, magnetization, and resistivity measurements. The specific heat data, together with the anisotropic…

Strongly Correlated Electrons · Physics 2015-05-19 E. D. Mun , S. L. Bud'ko , A. Kreyssig , P. C. Canfield

CDW/Normal metal/CDW junctions and nanoconstrictions in crystals of the quasi-one-dimensional conductor NbSe$_3$ are manufactured using a focused-ion-beam. It is found that the low-temperature conduction of these structures changes…

Strongly Correlated Electrons · Physics 2007-05-23 S. V. Zaitsev-Zotov , M. S. H. Go , E. Slot , H. S. J. van der Zant

We studied the electrical transport on $\beta$-Fe$_{4+\delta}$Se$_{5}$ single-crystal nanowires, exhibiting $\sqrt{5}\times\sqrt{5}$ Fe-vacancy order and mixed valence of Fe. We observed a first-order metal-insulator transition of the…

The antiferromagnetic Weyl semimetal Mn3Sn has attracted wide attention due to their vast anomalous transverse transport properties despite barely net magnetization. So far, the magnetic properties of Mn3Sn have been experimentally…

Transport measurements were made on a system consisting of a zinc nanowire array sandwiched between two bulk superconducting electrodes (Sn or In). It was found that the superconductivity of Zn nanowires of 40 nm diameter is suppressed…

Superconductivity · Physics 2009-11-11 Mingliang Tian , Nitesh Kumar , Shengyong Xu , Jinguo Wang , James S. Kurtz , M. H. W. Chan

X-ray diffraction experiments were performed on polycrystalline and single-crystal specimens of Ce$_{2}$Fe$_{17}$ at temperatures between 10 K and 300 K. Below $T_{\mathrm{t}}$ = 118$\pm$2 K, additional weak superstructure reflections were…

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