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The processing of binary alloys consisting of ferromagnetic Fe and antiferromagnetic Cr by severe plastic deformation (SPD) with different chemical compositions has been investigated. Although the phase diagram exhibits a large gap in the…

Materials Science · Physics 2021-01-12 Lukas Weissitsch , Martin Stückler , Stefan Wurster , Reinhard Pippan , Andrea Bachmaier

We present a numerical investigation of energy and charge distributions during electron-beam-induced growth of W nanostructures on SiO2 substrates using Monte Carlo simulation of electron transport. This study gives a quantitative insight…

Mesoscale and Nanoscale Physics · Physics 2013-11-26 Francesc Salvat-Pujol , Harald O. Jeschke , Roser Valenti

Nanocrystalline (Th1-xFex)O2-d particles with different Fe concentrations (x = 0.0, 0.05, 0.10, 0.15, 0.20 and 0.25) have been prepared by a gel combustion method. Rietveld refinement analyses of X-ray diffraction data revealed the…

Materials Science · Physics 2007-07-27 O. D. Jayakumar , I. K. Gopalakrishnan , A. Vinu , A. Asthana , A. K. Tyagi

Irradiation-driven fragmentation and chemical transformations of organometallic molecules play a central role in nanofabrication techniques based on the use of focused charged-particle beams. In this paper, the electron irradiation-induced…

Atomic and Molecular Clusters · Physics 2026-03-27 Soumyo Kheto , Alexey Verkhovtsev , Bobby Antony , Andrey V. Solov'yov

Patterned arrays of ferromagnetic nanoparticles of Co, Ni, and Fe_{\text{50}} Co_{\text{50}} have been synthesized from their ultrathin metal films on SiO_{\text{2}} substrate by nanosecond laser-induced self-organization. The morphology,…

Materials Science · Physics 2010-01-11 H. Krishna , A. K. Gangopadhyay , J. Strader , R. Kalyanaraman

Nanolaminated Al2O3/HfO2 thin films as well as single Al2O3 and HfO2 layers have been grown as gate dielectrics by Plasma Enhanced Atomic Layer Deposition (PEALD) technique on silicon carbide (4H-SiC) substrates. All the three dielectric…

Applied Physics · Physics 2021-04-29 Raffaella Lo Nigro , Emanuela Schilirò , Patrick Fiorenza , Fabrizio Roccaforte

We report experiments on surface nanopatterning of Si targets which are irradiated with 2 keV Ar + ions impinging at near-glancing incidence, under concurrent co-deposition of Au impurities simultaneously extracted from a gold target by the…

Mesoscale and Nanoscale Physics · Physics 2016-03-30 B. Moon , S. Yoo , J. -S. Kim , S. J. Kang , J. Muñoz-García , R. Cuerno

Electrospray ion beam deposition (ESIBD) is the intact, chemically selective deposition of molecular ions on surfaces in vacuum. Here, we present a general method and dedicated instrumentation for ESIBD-based cryoEM sample preparation of…

A FePd alloy was nanostructured by severe plastic deformation following two different routes: ordered and disordered states were processed by high pressure torsion (HPT). A grain size in a range of 50 to 150 nm is obtained in both cases.…

Controlled crystallization of amorphous alloys offers a powerful route to tailor magnetic and structural properties at the nanoscale. Thin films of CoFeB alloy are essential for the development of various spintronic devices. The…

Materials Science · Physics 2025-12-22 P. Shvets , G. Kirichuk , V. Salnikov , J. O'Connell , V. Rodionova , A. Goikhman , K. Maksimova

Nanostructured Pd-Fe thin films with varied Fe content were prepared by electrodeposition technique from organic electrolytes on Cu and brass substrates. The structure and the magnetic properties of the films were investigated prior to…

Electron Beam-Induced Deposition (EBID) enables site-specific nanofabrication but suffers from significant carbon contamination, limiting its applicability in plasmonics, nanoelectronics, and sensing. In this study, we investigate the…

Applied Physics · Physics 2026-05-19 Marianna D'Amato , Linda Piscopo , Hanna Le Jeannic , Alberto Bramati , Antonio Balena

This study introduces a novel method for the deterministic fabrication of metallic nanostructures with controlled geometry and composition on suspended, single mode tapered optical nanofibers (TNFs) using a tailored Blurred Electron Beam…

In this study, severe plastic deformation by high pressure torsion is used as a fabrication method for nanocrystalline magnetic CuCo alloys in bulk quantities. By subsequent isothermal annealing, phase separation of the supersaturated solid…

Materials Science · Physics 2018-12-14 A. Bachmaier , H. Krenn , P. Knoll , H. Aboulfadl , R. Pippan

We have investigated the nanostructure and microstructure resulting from ns laser irradiation simultaneous with deposition of Co films on Si(001) substrates. The spatial order and length scales of the resulting nanopatterns and their…

Materials Science · Physics 2009-11-11 L. Longstreth-Spoor , J. Trice , H. Garcia , C. Zhang , Ramki Kalyanaraman

In this paper I give a detailed account of an ab initio methodology for describing strong electronic correlations in nanoscale devices hosting transition metal atoms with open $d$- or $f$-shells. The method combines Kohn-Sham Density…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 D. Jacob

The solid-state reaction was used to synthesize CoO2 nanostructured material. Cobalt nitrate tetrahydrate and sodium oxide (NaOH) were combined to produce CoO2 nanostructured material. The three synthesized working electrodes were each…

Materials Science · Physics 2025-02-12 Shoaib Akram , Muneeb ur Rahman , Fazli Maula , Osama Tariq Satti , Shahbaz Afzal , Fawad Ali

We investigated the electrical conductivity of platinum nanowires with heights ranging from 2 nm to 200 nm, deposited by focused electron beam induced deposition (FEBID). Post-deposition processing was employed to enhance the electrical…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Rajendra Rai , Ujjwal Dhakal , Binod DC , Yoichi Miyahara

Deterministic and versatile approaches to sample preparation on nanoscopic scales are important in many fields including photonics, electronics, biology and material science. However, challenges exist in meeting many nanostructuring…

Fe-Si binary compounds have been fabricated by focused electron beam induced deposition by the alternating use of iron pentacarbonyl, Fe(CO)5, and neopentasilane, Si5H12 as precursor gases. The fabrication procedure consisted in preparing…

Mesoscale and Nanoscale Physics · Physics 2016-07-27 F. Porrati , R. Sachser , G. C. Gazzadi , S. Frabboni , M. Huth