Orientation, substructure, and optical properties of rutile films

The orientation, optical properties, and substructure of rutile films prepared by thermal and pulsed photon assisted oxidation of single crystal Ti films were investigated by transmission electron micros copy, optical spectroscopy, and high energy electron diffractionyesBelgorod State Universit

The Significance of the 2005 UN Basic Principles and Guidelines on the Right to a Remedy and Reparation

INTRODUCTION. The research analyzes the UN Basic Principles and Guidelines on the Right to a Remedy and Reparation for Victims of Gross Violations of International Human Rights Law and Serious Violations of International Humanitarian Law (Basic Principles and Guidelines) of December 16, 2005. The Article examines the stages of the adoption of this document, the concept, structure, basic provisions, as well as the importance for the development of modern international law, particularly in the field of human rights protection and international humanitarian law. Consequently, the Article provides a detailed analysis of the approach to the central subject of this document, that is, the right to a remedy and reparation, which is expressed in practical application by universal and regional bodies on human rights and in the field of humanitarian law. In this regard, the position of the right to a remedy and reparation in the complex of human rights is determined, as well as their interconnection and relation to each other.MATERIALS AND METHODS. The theoretical researches of the Russian and foreign experts in the field of international law have been analyzed in this very Article as well as the normative documents, recommendations, and decisions of the treaty bodies on human rights within the UN system, the law enforcement practice of universal and regional judicial and quasi-judicial bodies for the protection of human rights and in the field of international humanitarian law have also been studied. Such methods of scientific cognition as analysis and synthesis, the generalization method, the system-structural method, as well as the historical-legal and legal-technical methods have also been applied in this research.RESEARCH RESULTS. The Article reveals the significance and impact of the mechanism developed in the Basic Principles and Guidelines, in general, on the international human rights system. The Basic Principles and Guidelines are an international document, developed with the best practice of existing legal systems. It was adopted unanimously through the consensus reached by all parties concerned. The Basic Principles and Guidelines are aimed at codifying the provisions on the right to a remedy and reparation enshrined in various international treaties and as well as at developing a unified approach to these rights. Thus, the said international instrument does not create any new rules but classifies and uniforms the set of provisions on the right to a remedy and reparation. This nature of the Basic Principles and Guidelines makes them an attractive tool for international bodies in their law enforcement practice related to ensuring the right to a remedy and reparation. DISCUSSION ANDCONCLUSSIONS. The Basic Principles and Guidelines enshrine the responsibility of States in the field of human rights protection, when the second party to the conflict is individual, or individuals whose rights have been or may be violated. Therefore, the Basic Principles are focused on the interests of the victim of a violation of human rights, that is, they are deliberately humanistic and human rights oriented. The document provides a classification of victims to more adequately cover human rights mechanisms that ensure the protection of persons, individually or collectively. Further, it pays special attention to the protection of victims of gross violations of human rights. In addition, the Basic Principles and Guidelines list and describe forms of reparation for the victims of human rights violations

Orientation, substructure, and optical properties of rutile films

The orientation, optical properties, and substructure of rutile films prepared by thermal and pulsed photon assisted oxidation of single crystal Ti films were investigated by transmission electron micros copy, optical spectroscopy, and high energy electron diffractionyesBelgorod State Universit

Complete conversion between one and two photons in nonlinear waveguides: Theory of dispersion engineering

High-efficiency photon-pair production is a long-sought-after goal for many optical quantum technologies, and coherent photon conversion (CPC) processes are promising candidates for achieving this. We show theoretically how to control coherent conversion between a narrow-band pump photon and broadband photon pairs in nonlinear optical waveguides by tailoring frequency dispersion for broadband quantum frequency mixing. We reveal that complete deterministic conversion as well as pump-photon revival can be achieved at a finite propagation distance. We also find that high conversion efficiencies can be realised robustly over long propagation distances. These results demonstrate that dispersion engineering is a promising way to tune and optimise the CPC process. © 2022 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft.Australian Research Council, ARC: DE180100070, DP160100619, DP190100277, FT170100399; Ministry of Education and Science of the Russian Federation, Minobrnauka: AAAA-A18-118020190095-4The authors acknowledge the support by the Australian Research Council (DE180100070, DP160100619, DP190100277). NKL is funded by the Australian Research Council Future Fellowship (FT170100399). Batalov S V acknowledges support by the Ministry of Education and Science of the Russian Federation (the theme ‘Quantum’, No. AAAA-A18-118020190095-4)

Development of the Nickel-Refining Production at Norilsk Nickel Harjavalta Oy in GMK Norilsk Nickel

Abstract: As a result of the innovative solutions found due to the joint efforts of Russian and Finnish researchers, the recovery of nonferrous and precious metals in Norilsk Nickel Harjavalta was significantly increased (%): the recovery of Ni was increased to 98.7; that of Cu, to 99.5; Pt, to 99.6; and Pd to 99.6. Simultaneously, a copper cake (one of the main commercial products) of an improved composition, namely, (%) 57–62 Cu, <3 Ni, 8–11 Fe, was produced. The arsenic content in the copper cake was decreased from 1.5–2 to 0.15–0.3%. The largest projects are as follows: stage-by stage implementation of a matte-free technology with simultaneous modification of the matte line for processing converter matte; the development of a jarosite technology of iron deposition from a nickel solution, which decreased the irreversible losses of nonferrous and precious metals with a waste iron cake as much as possible (the losses of nickel and cobalt were decreased by 11 times; those of copper, by 23 times; platinum, by 16%; palladium, by 10%; rhodium, by 9%; gold, by 12%); and the building and introduction of carbonate processing, which allowed the production of nickel cathodes to be increased. As a result of the measures taken to redistribute raw materials, the mattes of slag-cleaning furnaces, which contained 35–40% Fe, were moved to KGMK. This integration solution led to a significant synergy effect in Nornickel. One of the key factors of the economic efficiency of the matte-free technology was a decrease in the specific consumption of the main reagents (oxygen, air, sulfuric acid) and the energy resources used for the manufacture of nickel products. As a result, the transaction costs were decreased by ~3.5 mln dollars per year. © 2019, Pleiades Publishing, Ltd

Tomography of quantum dots in a non-hermitian photonic chip

© 2019 IEEE. Quantum optical information systems offer the potential for secure communication and fast quantum computation. To fully characterise a quantum optical system one has to use quantum tomography [1]. Integration of quantum optics onto photonic chips provides advantages such as miniaturisation and stability, and also significantly improves quantum tomography using both re-configurable [2], and more recently, simpler static designs [3,4]. These on-chip designs have, so far, only used probabilistic single photon sources. Here we are working towards quantum tomography using a true deterministic source - a quantum dot. The scheme of the proposed experiment is shown in Fig. 1A. So far we have fabricated and characterised the performance of an InGaAs quantum dot monolithically integrated into a microlens [5], and completed the design, fabrication and classical characterisation of a photonic chip for quantum tomography

Четверта міжнародна наукова-практична конференція «Комп’ютерне моделювання в хімії і технологіях та системах сталого розвитку»

Методами обчислювального експерименту виконано дослідження процесу реакційної взаємодії, ініційованої контактним плавленням, в порошкових сумішах на прикладі реакції взаємодії в системі Ti-Al. З використанням наявних експериментальних термодинамічних величин та залежностей досліджено особливості отримання стійких рішень запропонованої математичної моделі.The Research of process reacting, initiated contact melting powder mixtures in the example of the interaction in the system Ti-Al, was executing by methods of computational experiment. Features obtain stable solutions of the mathematical models were investigated using the available experimental thermodynamic quantities and dependencies.Методами вычислительного эксперимента выполнено исследование процесса реакционного взаимодействия, инициированного контактным плавлением, в порошковых смесях на примере реакции взаимодействия в системе Ti-Al. С использованием имеющихся экспериментальных термодинамических величин и зависимостей исследованы особенности получения устойчивых решений предлагаемой математической модели

Поверхностная ионизация органических соединений азота, серы, фосфора и мышьяка

A research facility and a technique for measuring the basic parameters of surface ionization of organic compounds were developed. For a series of organic compounds of nitrogen, sulfur, phosphorus, and arsenic the key parameters of surface ionization were determined.Разработана экспериментальная установка и методика определения основных параметров поверхностной ионизации органических соединений. Для ряда органических веществ на основе азота, серы, фосфора, мышьяка определены механизм и основные параметры поверхностной ионизации

Biphoton generation in quadratic waveguide arrays: A classical optical simulation

Quantum entanglement, the non-separability of a multipartite wave function, became essential in understanding the non-locality of quantum mechanics. In optics, this non-locality can be demonstrated on impressively large length scales, as photons travel with the speed of light and interact only weakly with their environment. With the discovery of spontaneous parametric down-conversion (SPDC) in nonlinear crystals, an efficient source for entangled photon pairs, so-called biphotons, became available. It has recently been shown that SPDC can also be implemented in nonlinear arrays of evanescently coupled waveguides which allows the generation and the investigation of correlated quantum walks of such biphotons in an integrated device. Here, we analytically and experimentally demonstrate that the biphoton degrees of freedom are entailed in an additional spatial dimension, therefore the SPDC and the subsequent quantum random walk in one-dimensional (1D) arrays can be simulated through classical optical beam propagation in a two-dimensional (2D) photonic lattice. Thereby, the output intensity images directly represent the biphoton correlations and exhibit a clear violation of a Bell-type inequality