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Related papers: Clustering of phosphorus atoms in silicon

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A model of arsenic clustering in silicon is proposed and analyzed. The main feature of the proposed model is the assumption that negatively charged arsenic complexes play a dominant role in the clustering process. To confirm this…

Materials Science · Physics 2009-11-11 F. F. Komarov , O. I. Velichko , V. A. Dobrushkin , A. M. Mironov

Positively charged cluster ions of phosphorus were formed upon electron ionization of doped helium nanodroplets. The vapors of red phosphorus and a phosphate sample were picked up into neutral and charged helium nanodroplets. Independent on…

A comprehensive model of high-concentration phosphorus diffusion has been developed and simulation of phosphorus diffusion from a constant source (phosphosilicate glass) at a temperature of 890 Celsius degrees for 14.25 min. has been…

Materials Science · Physics 2019-05-28 O. I. Velichko

The incorporation of phosphorus in silicon is studied by analyzing phosphorus delta-doped layers using a combination of scanning tunneling microscopy, secondary ion mass spectrometry and Hall effect measurements. The samples are prepared by…

Condensed Matter · Physics 2009-11-07 L. Oberbeck , N. J. Curson , M. Y. Simmons , R. Brenner , A. R. Hamilton , S. R. Schofield , R. G. Clark

Starting from experimental studies on alpha-clustering in excited self-conjugate nuclei (from $^{16}$O to $^{28}$Si), temperature and density conditions for such a clustering are determined. Measured temperatures have been found in the…

Photoelectron (PES) spectra from aluminum cluster anions (from 12 to 15 atoms) at various temperature regimes, were studied using ab-initio molecular dynamics simulations and experimentally. The calculated PES spectra, obtained via shifting…

Atomic and Molecular Clusters · Physics 2009-10-31 Jaakko Akola , Matti Manninen , Hannu Hakkinen , Uzi Landman , Xi Li , Lai-Sheng Wang

We present density functional theory calculations of phosphorus dopants in bulk silicon and of several properties relating to their use as spin qubits for quantum computation. Rather than a mixed pseudopotential or a Heitler-London…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Loren Greenman , Heather D. Whitley , K. Birgitta Whaley

In order to fabricate precise atomic-scale devices in silicon using a combination of scanning tunnelling microscopy (STM) and molecular beam epitaxy it is necessary to minimize the segregation/diffusion of dopant atoms during silicon…

Amorphous phosphorus (a-P) has long attracted interest because of its complex atomic structure, and more recently as an anode material for batteries. However, accurately describing and understanding a-P at the atomistic level remains a…

Materials Science · Physics 2022-09-20 Yuxing Zhou , William Kirkpatrick , Volker L. Deringer

Neutral and charged phosphorus clusters of a wide size range have been produced by pulsed laser ablation (PLA) in vacuum at 532, 337, and 193 nm ablating wavelengths and investigated by time-of-flight mass spectrometry. The neutral P_n…

Materials Science · Physics 2007-05-23 A. V. Bulgakov , O. F. Bobrenok , Igor Ozerov , W. Marine , S. Giorgio , A. Lassesson , E. E. B. Campbell

Increasing evidences provided primarily by the cluster lensing and numerical simulations of cluster formation indicate that galaxy clusters may contain compact cores that are substantially smaller than the cores revealed by the X-ray…

Astrophysics · Physics 2007-05-23 Tzihong Chiueh , Xiang-Ping Wu

We present a detailed investigation of static dipole polarizability of lithium clusters containing up to 22 atoms. We first build a database of lithium clusters by optimizing several candidate structures for the ground state geometry for…

Materials Science · Physics 2007-11-13 Rajendra R. Zope , Tunna Baruah , Mark R. Pederson

Silicon can be heavily doped with phosphorus in a single atomic layer (a $\delta$ layer), significantly altering the electronic structure of the conduction bands within the material. Recent progress has also made it possible to further dope…

Materials Science · Physics 2026-02-26 Quinn T. Campbell , Andrew D. Baczewski , Shashank Misra , Evan M. Anderson

Extensive first-principle calculations on embedded clusters containing few O, Y, Ti, and Cr atoms as well as vacancies are performed to obtain interaction parameters to be applied in Metropolis Monte Carlo simulations, within the framework…

Materials Science · Physics 2014-11-05 M. Posselt , D. Murali , B. K. Panigrahi

The analysis of X-ray and Sunyaev-Zel\'dovich measurements of the intracluster medium (ICM) assumes that electrons are in thermal equilibrium with ions in the plasma. However, electron-ion equilibration timescales can be comparable to the…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-20 Camille Avestruz , Daisuke Nagai , Erwin T. Lau , Kaylea Nelson

The role of saturation for cluster formation in finite systems such as atomic nuclei is analyzed by considering three length-scale ratios, and performing deformation-constrained self-consistent mean-field calculations. The effect of…

Nuclear Theory · Physics 2015-06-18 Jean-Paul Ebran , Elias Khan , Tamara Niksic , Dario Vretenar

Analytical expressions for the binding energy of electrons and positrons in dielectric clusters, analysed in this work, neglect the elastic effects. Therefore, we present the density-functional theory for neutral liquid clusters that…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Valentin V. Pogosov , Walter V. Pogosov , Denis P. Kotlyarov

The charge form factor of ${}^6$Li nucleus is considered on the basis of its cluster structure. The charge density of ${}^6$Li is presented as a superposition of two terms. One of them is a folded density and the second one is a sum of…

Nuclear Theory · Physics 2009-11-13 G. Z. Krumova , E. Tomasi-Gustafsson , A. N. Antonov

The possibility of an inhomogeneous charge density wave phase is investigated in a system of two coupled electron and hole monolayers separated by a hexagonal boron nitride insulating layer. The charge density wave state is induced through…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 S. Saberi-Pouya , M. Zarenia , T. Vazifehshenas , F. M. Peeters

Phosphorus-doped diamond is relevant for applications in sensing, optoelectronics and quantum photonics, since the unique optical properties of color centers in diamond can be combined with the n-type conductivity attained by the inclusion…

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