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Related papers: Vapor-solid-solid growth dynamics in GaAs nanowire…

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Germanium nanostructures offer significant potential in developing advanced integrated circuit and disruptive quantum technologies, yet achieving both scalability and high carrier mobility remains a challenge in materials science. Here, we…

Mesoscale and Nanoscale Physics · Physics 2025-07-01 Jian-Huan Wang , Ming Ming , Ding-Ming Huang , Jie-Yin Zhang , Yi Luo , Bin-Xiao Fu , Yi-Xin Chu , Yuan Yao , Hongqi Xu , Jian-Jun Zhang

Transition metal dichalcogenides such as MoS$_2$ represent promising candidates for building blocks of ultra-thin nanophotonic devices. For such applications, vertically-oriented MoS$_2$ (v-MoS$_2$) nanosheets could be advantageous as…

Materials Science · Physics 2020-01-29 M. Bolhuis , J. Hernandez-Rueda , S. E. van Heijst , M. Tinoco Rivas , L. Kuipers , S. Conesa-Boj

Achieving uniform nanowire size, density, and alignment across a wafer is challenging, as small variations in growth parameters can impact performance in energy harvesting devices like solar cells and photodetectors. This study demonstrates…

PbSnTe is a topological crystalline insulator (TCI), which holds promise for scattering-free transport channels and fault-tolerant quantum computing. As the topologically non-trivial states live on the surface, the nanowire geometry, with a…

Materials Science · Physics 2024-12-02 Mathijs G. C. Mientjes , Xin Guan , Marcel A. Verheijen , Erik P. A. M. Bakkers

III-V semiconductor nanowires have shown great potential in various quantum transport experiments. However, realizing a scalable high-quality nanowire-based platform that could lead to quantum information applications has been challenging.…

Conventional heat carrier liquids have demonstrated remarkable enhancement in heat and mass transfer when nanoparticles were suspended in them. These liquid-nanoparticle suspensions are now known as Nanofluids. However the relationship…

We investigate core/shell GaAs/(Pb,Sn)Te nanowire nanoheterostructures with wurtzite (wz) GaAs cores and (Pb,Sn)Te topological crystalline insulator shells. The nanostructures have been grown by molecular beam epitaxy using two distinct MBE…

Materials Science · Physics 2026-05-11 Maciej Wojcik , Sania Dad , Piotr Dziawa , Slawomir Kret , Wojciech Pacuski , Janusz Sadowski

One-dimensional (1D) sub-bands in cylindrical InAs nanowires (NWs) are electrically mapped as a function of NW diameter in the range of 15-35 nm. At low temperatures, stepwise current increases with the gate voltage are clearly observed and…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Alexandra C. Ford , S. Bala Kumar , Rehan Kapadia , Jing Guo , Ali Javey

Electronic transport properties of Au nano-structure are investigated using both experimental and theoretical analysis. Experimentally, stable Au nanowires were created using mechanically controllable break junction in air, and simultaneous…

Computational Physics · Physics 2009-11-07 H. Mehrez , Alex Wlasenko , Brian Larade , Jeremy Taylor , Peter Grutter , Hong Guo

Vanadium dioxide, a well-known Mott insulator, is a highly studied electronic material with promising applications in information processing and storage. While fully crystalline layers exhibit exceptional properties, such as a sharp and…

Two-dimensional (2D) perovskites or Ruddleson Popper (RP) perovskites have emerged as a class of material inheriting the superior optoelectronic properties of two different materials: perovskites and 2D materials. The large exciton binding…

Very large-scale integration of devices in a circular pattern has several advantages over the commonly used rectangular grid layout. For the development of such integrated circuits on a 2D semiconductor platform, spontaneous growth of the…

Materials Science · Physics 2026-01-06 Umakanta Patra , Subhabrata Dhar

The growth of Sn-rich group-IV semiconductors at the nanoscale provides new paths for understanding the fundamental properties of metastable GeSn alloys. Here, we demonstrate the effect of the growth conditions on the morphology and…

Straight, axial InAs nanowire with multiple segments of GaInAs were grown. High resolution X-ray energy-dispersive spectroscopy (EDS) mapping reveal the distribution of group III atoms at the axial interfaces and at the sidewalls.…

Mesoscale and Nanoscale Physics · Physics 2013-08-26 Sriram Venkatesan , Morten H. Madsen , Herbert Schmid , Peter Krogstrup , Erik Johnson , Christina Scheu

The formation of nanostructures during metalorganic vapor-phase epitaxy on patterned (001)/(111)B GaAs substrates is reviewed. The focus of this review is on the seminal experiments that revealed the key kinetic processes during…

Mesoscale and Nanoscale Physics · Physics 2018-02-09 Emanuele Pelucchi , Stefano T. Moroni , Valeria Dimastrodonato , Dimitri D. Vvedensky

We report about metalorganic vapour phase epitaxy of smooth nitrogen-polar AlN templates on vicinal (0001) sapphire substrates. The influence of V/III ratio, growth temperature, growth rate, as well as sapphire-nitridation time and…

Materials Science · Physics 2024-06-05 Pietro Pampili , Markus Pristovsek

We report on \textit{in situ} growth of crystalline Al and Nb shells on InAs nanowires. The nanowires are grown on Si(111) substrates by molecular beam epitaxy (MBE) without foreign catalysts in the vapor-solid mode. The metal shells are…

In this work, we present conception and study of gallium nitride (GaN) nanostructures on a gallium arsenide (GaAs) substrate with (111)A orientation. The nanostructures were designed by GaN droplet epitaxy and studied in-situ by X-ray…

Two-dimensional (2D) semiconductors have been proposed for heterogeneous integration with existing silicon technology; however, their chemical vapor deposition (CVD) growth temperatures are often too high. Here, we demonstrate direct CVD…

Applied Physics · Physics 2021-09-20 Alvin Tang , Aravindh Kumar , Marc Jaikissoon , Krishna Saraswat , H. -S. Philip Wong , Eric Pop

Vanadium silicide (V$_3$Si) is a promising superconductor for integration with silicon-based electronics, however the interfacial growth kinetics have a strong influence on the resulting superconducting properties and are not yet fully…