Ferroelectric Phase Transitions in Sr9Tm(VO4)7 upon Substitution of Calcium and Lead for Strontium

Physics of the Solid State - In Sr9 – xMxTm(VO4)7 system, solid solutions with M = Ca (0 ≤ x ≤ 2) and M = Pb (0 ≤ x ≤ 1) have been prepared by...     

The Influence of Various Divalent Metal Ions (Mn2+, Co2+, and Cu2+) Substitution on the Structural and Magnetic Properties of Nickel–Zinc Spinel Ferrite

Physics of the Solid State - Ni0.7 – xZn0.3MxFe2O4 (M = Mn2+, Co2+, and Cu2+; x = 0, 0.1, 0.3, 0.5, and 0.7) spinel-type ferrite were fabricated through citrate technique....     

Reflectivity and Photoreflectivity Spectra of Structures with Quantum Wells Based on ZnO

Physics of the Solid State - Reflectivity and modulated photoreflectivity spectra of ZnO and Zn1 – xMgxO epitaxial layers as well as ZnO/Zn1 – xMgxO...     

Structural Features of Phosphates Ca9 – xMxDy(PO4)7 (M = Zn2+ or Mg2+)

Physics of the Solid State - Phosphate solid solutions based on the whitlockite family Ca9 – xMxDy(PO4)7 (M = Zn2+ or Mg2+) have been obtained. The samples have been...     

Synthesis,Structure, and Thermophysical Properties of Pb10 – xBix(GeO4)2 + xVO4)4 – x (x = 0–3) in the Temperature Range of 350–950 K

Physics of the Solid State - The Pb10 – xBix(GeO4)2 + x(VO4)4 – x (x = 0–3) compounds with an apatite structure have been...     

Production of the 186mRe Isomer in Nuclear Reactors

Physics of Atomic Nuclei - To provide experiments on stimulation of de-excitation of the isomer state of the 186mRe nucleus (isomer half-life T1/2 = 2 × 105 yr) with...     

Theoretical Approach to Investigation of the Magnetic and Magnetocaloric Properties of Heusler Ni–Mn–Ga Alloys

Physics of the Solid State - The magnetic and magnetocaloric properties of Heusler Ni2 + xMn1 – xGa alloys (x = 0.16, 0.18, and 0.3) have been studied...     

Radiative Constants in the W VII Ion Spectrum

Optics and Spectroscopy - The probabilities of the 4 f 135p66p + 4 f 145p56p – 4 f 136s, 4 f 137s radiative transitions...     

Effect of Cobalt on the Crystal Structure and Magnetism of Electron-Doped Sr0.8Ce0.2MnO3 Oxide

Physics of the Solid State - The Sr0.8Ce0.2Mn1 – yCoyO3 – δ (y = 0.2, 0.3, 0.4, 0.5, and 0.6) complex oxides with the perovskite structure...     

Ab Initio Study of the Structural Properties of the Co–Ni–Sn Heusler Alloys

Physics of the Solid State - The ab initio investigations of the structural and magnetic properties of the Co2Ni1 + xSn1 – x (x = 0,...     

InAs(1 – y)Sby/InAsSbP Narrow-Gap Heterostructures (y = 0.09–0.16) Grown by Metalorganic Vapor Phase Epitaxy for the Spectral Range of 4–6 μm

Physics of the Solid State - Asymmetric n-InAs/InAs(1 – y)Sby/p-InAsSbP heterostructures with a narrow-gap active layer and a composition range y = 0.09–0.16 were...     

Synthesis and electrochemical performance of P2-Na0.67AlxCo1-xO2 (0.0 ≤ × ≤ 0.5) nanopowders for sodium-ion capacitors

Ionics - Layered P2-Na0.67Al x Co 1-x O2 (0.0 ≤ × ≤ 0.5) nanopowders were prepared by solution combustion process. These nanopowders were...     

Band Diagram of the InAs1 – ySby/InAsSbP Heterojunction in the Composition Range y < 0.2

Physics of the Solid State - The n+-InAs/n0-InAs1&nbsp;–&nbsp;ySby/p-InAsSbP heterostructures with asymmetric band offsets at the heteroboundaries of the active region have been grown...     

Photothermal Effect of Infrared (808 nm) Laser Radiation and Gold Nanoparticles in Different Modifications on S. aureus

Optics and Spectroscopy - A comparative study of the effect of infrared laser radiation (808&nbsp;nm) of different power density on Staphylococcus&nbsp;aureus&nbsp;209&nbsp;P,...     

Fabrication of Fe:CdSe solar rechargeable (semiconductor–septum) storage cells

The Fe:CdSe thin films have been electrodeposited potentiostatically onto the stainless steel substrates, from non-aqueous bath containing (CH₃COO)₂ · Cd · 2H₂O, SeO₂ and FeCl₃. The solar rechargeable (semiconductor–septum) storage cell is fabricated with the configuration C|1 M polysulphide|n-Fe:CdSe|stainless steel||1 M FeCl₃ or 1 M K₄Fe(CN)₆|C. The charging and discharging modes are studied and discussed. The comparison of FeCl₃ and K₄Fe(CN)₆ based solar rechargeable storage cells, showed that FeCl₃ based storage cell is superior than that of K₄Fe(CN)₆ based electrolyte because relatively charging time is minimum and discharging time is maximum. Thus it is concluded that the storage cell works not only as a generator but also as the storage of electricity.     

Zero resistance ammeter of metallic alloys in aqueous solutions

In the present work, the corrosion current density of a low carbon steel, a pure aluminum, a stainless steel, a copper–nickel alloy were obtained in 1 M NaOH, 1 M KCl, 1 M NaCl, 1 M H₂SO₄ solutions, respectively. The obtained corrosion data from the optical interferometry technique, as a zero resistance Ammeter were compared with corrosion data obtained on the same alloys, in the specified solutions, from an electronic zero resistance-Ammeter as well as from the linear polarization method. The comparison among the three techniques indicates that there is a contrast in the results among the investigated alloys. In general, the results of the optical interferometry were found to fall in between the corrosion values of the zero resistance ammeter and the linear polarization method, because the technique works based on the electromagnetic principle, in the absence of electronic noise. As a result, the optical interferometry can be considered as a useful zero resistance-Ammeter for measuring the corrosion current density of metallic electrodes in aqueous solutions, at the open circuit potential of the electrodes in the aqueous solutions.     

Single Centers and Dimers of Impurity Holmium Ions in Synthetic Forsterite Crystals: High-Resolution Spectroscopy

Optics and Spectroscopy - High-resolution low-temperature absorption spectra in the region of the 5I8 → 5I7,&nbsp;6,&nbsp;5,&nbsp;4, 5F5 transitions in impurity Ho3+ ions in...     

Detection of Surface States in Bi2 – xSbxTe3 – ySey Topological Insulators by Magnetotransport Measurements

Physics of the Solid State - In this paper, we studied the effect of the magnetic field and temperature on conductivity of Bi2&nbsp;‒&nbsp;xSbxTe3&nbsp;–&nbsp;ySey...     

Martensitic Transformation,Magnetotransport Properties,and Magnetocaloric Effect in Ni47 – xMn42 + xIn11 Alloys (0 ≤ x ≤ 2)

Physics of the Solid State - The structure, electrical and magnetic properties of Ni47&nbsp;–&nbsp;xMn42&nbsp;+&nbsp;xIn11 (0 ≤ x ≤ 2) alloys upon changing the...     

Enhanced high-temperature performances of LiMn2O4 cathode by LiMnPO4 coating

Ionics - LiMnPO4/LiMn2O4 (LMP/LMO) composite cathodes with LMP coating on the surface of LMO were synthesized by hydrothermal method at 180&nbsp;°C for 10&nbsp;h. The crystal...