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The object of this article is to review the development of ultrahigh-density, nanoscale data storage, i.e., nanostorage. As a fundamentally new type of storage system, the recording mechanisms of nanostorage may be completely different to…

Materials Science · Physics 2007-05-23 J. C. Li

Nanocrystalline Si and Ge are of high interest for integrated Si photonics related to light emission, optical sensors, photodetectors, solar energy harvesting and conversion devices, and also for floating gate non-volatile memories (NVMs).…

The advent of nanoscale memristors raised hopes of being able to build CMOL (CMOS/nanowire/moLecular) type ultra-dense in-memory-computing circuit architectures. In CMOL, nanoscale memristors would be fabricated at the intersection of…

Emerging Technologies · Computer Science 2022-09-14 L. A. Camuñas-Mesa , E. Vianello , C. Reita , T. Serrano-Gotarredona , B. Linares-Barranco

Metal clusters are partway between molecular and bulk systems and thus exhibit special physical and chemical properties. Atoms can rearrange within a cluster to form different structural isomers. Internal degrees of freedom and the…

Materials Science · Physics 2019-07-31 Barbara A. J. Lechner , Fabian Knoller , Alexander Bourgund , Ueli Heiz , Friedrich Esch

The optimized structure and electronic properties of neutral and singly charged magnesium clusters have been investigated using ab initio theoretical methods based on density-functional theory and systematic post-Hartree-Fock many-body…

Atomic and Molecular Clusters · Physics 2009-09-29 Andrey Lyalin , Ilia A Solov'yov , Andrey V Solov'yov , Walter Greiner

Milled nanodiamonds containing nitrogen-vacancy (NV) centers provide an excellent platform for sensing applications as they are optically robust, have nanoscale quantum sensitivity, and form colloidal dispersions which enable bottom-up…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Henry J. Shulevitz , Tzu-Yung Huang , Jun Xu , Steven Neuhaus , Raj N. Patel , Lee C. Bassett , Cherie R. Kagan

The hydrogen adsorption sites in MOF5 were determined using neutron powder diffraction along with first-principles calculations. The metal-oxide cluster is primarily responsible for the adsorption while the organic linker plays only a…

Materials Science · Physics 2009-11-11 T. Yildirim , M. R. Hartman

Nitrogen vacancy (NV) color centers in diamond have emerged as highly versatile optical emitters that exhibit room temperature spin properties. These characteristics make NV centers ideal for magnetometry, which plays an important role in…

Quantum Physics · Physics 2017-07-26 Kangmook Lim , Chad Ropp , Benjamin Shapiro , Jacob M. Taylor , Edo Waks

The fabrication of more and more miniaturized electronic and photonic devices relies on new, ingenious methods for the fabrication of spatially controlled nanostructures. Examples are electronic devices based on semiconducting nanowires and…

Materials Science · Physics 2007-05-23 T. Mueller , K. -H. Heinig , B. Schmidt

Quantum sensors based on the nitrogen-vacancy (NV) center in diamond are leading platforms for high-sensitivity magnetometry with nanometer-scale resolution. State-of-the-art implementations, however, typically rely on bulky free-space…

The size-dependent structures and optical properties of CdSeS nanoclusters in water medium are investigated. The stability of different size-dependent Cd$_n$Se$_m$S$_p$ nanoclusters (up to n=6) is studied using density functional…

Materials Science · Physics 2020-11-10 Meenakshi Rana , Papia Chowdhury

Metal nanoclusters (NCs), typically consisting of a few to tens of metal atoms, bridge the gap between organometallic compounds and crystalline metal nanoparticles. As their size approaches the Fermi wavelength of electrons, metal NCs…

Biomolecules · Quantitative Biology 2020-01-01 Yu An , Ying Ren , Jing Tang , Jun Chen , Baisong Chang

We have fabricated air-stable n-type, ambipolar carbon nanotube field effect transistors (CNFETs), and used them in nanoscale memory cells. N-type transistors are achieved by annealing of nanotubes in hydrogen gas and contacting them by…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 M. Radosavljevic , M. Freitag , K. V. Thadani , A. T. Johnson

Using spin polarized density functional theory (DFT) based calculations, combined with ab-initio molecular dynamics simulation, we carry out a systematic investigation of the bimetallic Ni$_{13-n}$Ag$_n$ nano clusters, for all compositions.…

Materials Science · Physics 2017-05-04 Soumendu Datta , A. K. Raychaudhuri , Tanusri Saha-Dasgupta

We demonstrate three-dimensional localization of a single nitrogen-vacancy (NV) center in diamond by combining nitrogen doping during growth with a post-growth 12C implantation technique that facilitates vacancy formation in the crystal. We…

To investigate the interaction between carbon and Mobius-type carbon nanobelts and nickel, cadmium, and lead nanoclusters, we utilized the semiempirical tight binding framework provided by xTB software. Through our calculations, we…

Materials Science · Physics 2025-09-01 C. Aguiar , N. Dattani , I. Camps

Amorphous insulators have localized wave functions that decay with the distance $r$ following exp($-r/\zeta$). Since nanoscale conduction is not excluded at $r<\zeta$, one may use amorphous insulators and take advantage of their size effect…

Mesoscale and Nanoscale Physics · Physics 2019-02-21 Yang Lu , I-Wei Chen

Magnetism in bare uncapped gold nano-clusters is explored from a density functional theory perspective with scalar relativistic effects included via the pseudo-potential. The computed electronic structures of various nano-clusters reveal…

Materials Science · Physics 2007-05-23 R. J. Magyar , V. Mujica , M. Marquez , C. Gonzalez

A unique property of metal nanoclusters is the "superatom" shell structure of their delocalized electrons. The electronic shell levels are highly degenerate and therefore represent sharp peaks in the density of states. This can enable…

Superconductivity · Physics 2015-12-17 Avik Halder , Vitaly V. Kresin

Recent predictions suggest that oxides, such as MgO and CaO, could serve as hosts of spin defects with long coherence times and thus be promising materials for quantum applications. However, in most cases specific defects have not yet been…

Materials Science · Physics 2025-01-27 Vrindaa Somjit , Joel Davidsson , Yu Jin , Giulia Galli