• English
    • Ελληνικά
  • English 
    • English
    • Ελληνικά
  • Login
Browsing by Subject 
  •   Home
  • Browsing by Subject
  •   Home
  • Browsing by Subject
JavaScript is disabled for your browser. Some features of this site may not work without it.

Browsing by Subject "X ray diffraction"

  • 0-9
  • Α
  • Β
  • Γ
  • Δ
  • Ε
  • Ζ
  • Η
  • Θ
  • Ι
  • Κ
  • Λ
  • Μ
  • Ν
  • Ξ
  • Ο
  • Π
  • Ρ
  • Σ
  • Τ
  • Υ
  • Φ
  • Χ
  • Ψ
  • Ω
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z

Sort by:

Order:

Results:

Now showing items 1-20 of 84

  • title
  • submit date
  • accessioned date
  • ascending
  • descending
  • 5
  • 10
  • 20
  • 40
  • 60
  • 80
  • 100
    • Article  

      A2Bi8Se13 (A = Rb, Cs), CsBi3.67Se6, and BaBi2Se4: New ternary semiconducting bismuth selenides 

      Iordanidis, L.; Brazis, P. W.; Kyratsi, Theodora; Ireland, J.; Lane, M.; Kannewurf, C. R.; Chen, W.; Dyck, J. S.; Uher, C.; Ghelani, N. A.; Hogan, T.; Kanatzidis, M. G. (2001)
      Rb2Bi8Se13 (I), Cs2Bi8Se13 (II), CsBi3.67Se6 (III), and BaBi2Se4 (IV) were synthesized by direct combination reactions of the A/Se (A = Rb, Cs, Ba) and Bi2Se3 at ≥650 °C. Their structures were determined by single-crystal ...

    • Article  

      Absorption-enhanced reforming of phenol by steam over supported Fe catalysts 

      Polychronopoulou, Kyriaki; Bakandritsos, Aristides; Tzitzios, Vasileios; Fierro, José Luis García; Efstathiou, Angelos M. (2006)
      Supported Fe catalysts of varying support chemical composition prepared by sol-gel and incipient wetness impregnation methods were studied for the steam reforming of phenol (one of the main constituents of tar produced ...

    • Article  

      Adaptive VN/Ag nanocomposite coatings with lubricious behavior from 25 to 1000 °c 

      Aouadi, S. M.; Singh, D. P.; Stone, D. S.; Polychronopoulou, K.; Nahif, F.; Rebholz, Claus; Muratore, C.; Voevodin, A. A. (2010)
      A two-phase nanocomposite coating that consists of inclusions of silver in a vanadium nitride matrix (VN/Ag) was investigated as a potential adaptive coating with a reduced friction coefficient from 25 to 1000 °C. This ...

    • Article  

      Broom-like and flower-like heterostructures of silver molybdate through pH controlled self assembly 

      Singh, D. P.; Sirota, B.; Talpatra, S.; Kohli, P.; Rebholz, Claus; Aouadi, S. M. (2012)
      Silver molybdate microrods are selfassembled into micron sized, broom-like and flowerlike structures. Our investigations indicate that through a simple hydrothermal process, large scale production of such structure is ...

    • Article  

      Carbon dioxide storage in olivine basalts: Effect of ball milling process 

      Rigopoulos, Ioannis; Petallidou, Klito C.; Vasiliades, Michalis A.; Delimitis, Andréas; Ioannou, Ioannis; Efstathiou, Angelos M.; Kyratsi, Theodora (2015)
      The goal of this study is to propose a cost-effective method for the optimization of the ex situ carbonation of basaltic rocks. The ball milling process was applied to a sample of olivine basalt from the Troodos ophiolite ...

    • Article  

      Combination of theoretical and experimental approaches for the design and study of fibril-forming peptides 

      Tamamis, Phanourios; Kasotakis, E.; Archontis, Georgios Z.; Mitraki, A. (2014)
      Self-assembling peptides that can form supramolecular structures such as fibrils, ribbons, and nanotubes are of particular interest to modern bionanotechnology and materials science. Their ability to form biocompatible ...

    • Article  

      A comparative study of the adsorption of uranium on commercial and natural (Cypriot) sea sand samples 

      Efstathiou, Maria; Pashalidis, Ioannis (2013)
      The adsorption of hexavalent uranium on two different types of sea sand [e.g. a local, Cypriot (N-SS) and a commercially available marine sediment (C-SS)] has been investigated as a function of pH, initial metal concentration, ...

    • Article  

      A comparative study of the steam reforming of phenol towards H2 production over natural calcite, dolomite and olivine materials 

      Constantinou, D. A.; Fierro, José Luis García; Efstathiou, Angelos M. (2010)
      Pre-calcined (air, 850 °C) naturally occurring calcite, dolomite and olivine materials were studied for phenol steam reforming towards H2 production. The effect of reaction temperature, feed volume flow rate, and hydrogen ...

    • Article  

      Controlled production of ZnO nanoparticles from zinc glycerolate in a sol-gel silica matrix 

      Moleski, R.; Leontidis, Epameinondas; Krumeich, F. (2006)
      The controlled production of ZnO nanoparticles within an amorphous silica matrix is achieved using a new methodology consisting of four stages. First, precursor zinc glycerolate nanoparticles are produced within reversed ...

    • Article  

      Coordination Complexes of a Neutral 1,2,4-Benzotriazinyl Radical Ligand: Synthesis, Molecular and Electronic Structures, and Magnetic Properties 

      Morgan, I. S.; Mansikkamäki, Akseli; Zissimou, Georgia A.; Koutentis, Panayiotis Andreas; Rouzières, M.; Tuononen, H. M.; Clérac, R. (2015)
      A series of d-block metal complexes of the recently reported coordinating neutral radical ligand 1-phenyl-3-(pyrid-2-yl)-1,4-dihydro-1,2,4-benzotriazin-4-yl (1) was synthesized. The investigated systems contain the ...

    • Article  

      Data storage applications based on LiCoO2 thin films grown on Al2O3 and Si substrates 

      Svoukis, E.; Mihailescu, C. N.; Mai, V. H.; Schneegans, O.; Breza, K.; Lioutas, C.; Giapintzakis, John (2015)
      In this study, LiCoO2 thin films were investigated for data storage applications based on scanning probe mediated approaches. LiCoO2, compared to other materials proposed for scanning probe mediated nanoscale patterning, ...

    • Article  

      Deposition and nanotribological characterization of Sub-100-nm thick protective Ti-based coatings for miniature applications 

      Polychronopoulou, K.; Lee, J.; Tsotsos, C.; Demas, N. G.; Meschewski, R. L.; Rebholz, Claus; Polycarpou, A. A. (2011)
      Ti-based protective thin films with thicknesses below 100 nm, intended for miniature applications were deposited using physical vapor deposition magnetron sputtering. X-ray diffraction (XRD), scanning electron microscopy, ...

    • Article  

      Dry reforming of methane over 5 wt% Ni/Ce1-xPrxO2-δ catalysts: Performance and characterisation of active and inactive carbon by transient isotopic techniques 

      Vasiliades, Michalis A.; Makri, M. M.; Djinović, P.; Erjavec, B.; Pintar, A.; Efstathiou, Angelos M. (2016)
      The effects of Ce1-xPrxO2-δ support composition (x = 0.0–0.8) and reaction temperature (550–750 °C) on the catalytic activity and selectivity and important features of the mechanism of the dry reforming of methane (DRM) ...

    • Article  

      The effect of aging and natural organic matter on the Th(OH)4 solubility 

      Prodromou, Melpomeni; Antoniou, Stella; Pashalidis, Ioannis (2014)
      The solution chemistry of actinides, particularly hydrolysis, is of major importance in the design of nuclear waste repositories and in relation to nuclear fuel reprocessing cycles. In this study the formation and solubility ...

    • Article  

      Effect of Bi-doping and Mg-excess on the thermoelectric properties of Mg2Si materials 

      Ioannou, M.; Polymeris, G. S.; Hatzikraniotis, E.; Paraskevopoulos, K. M.; Kyratsi, Theodora (2014)
      In this work, Bi-doped magnesium silicide compounds were prepared by applying a combination of both, short-time ball milling and heating treatment. The effect of Mg excess was also studied, aiming towards further improvement ...

    • Article  

      The effect of calcination temperature on the oxygen storage and release properties of CeO2 and Ce-Zr-O metal oxides modified by phosphorus incorporation 

      Larese, C.; López Granados, M.; Mariscal, R.; Fierro, José Luis García; Lambrou, Panayiota S.; Efstathiou, Angelos M. (2005)
      The present work reports on the effects of calcination temperature (T c) on the oxygen storage and release properties of CeO2 and Ce0.8Zr0.2O2 solids deliberately contaminated with CePO4. Pulsed-feed and stepped-feed dynamic ...

    • Conference Object  

      Effect of Cu content on the tribological performance of Cr-N coatings at high temperatures (840°C) 

      Polychronopoulou, K.; Rebholz, Claus; Demas, N. G.; Polycarpou, A. A.; Gibson, P. N. (Affiliation: Department of Mechanical and Manufacturing Eng., University of Cyprus, Nicosia, CyprusAffiliation: Department of Mechanical Science and Eng., University of Illinois at Urbana-Champaign, Urbana, IL, United StatesAffiliation: Institute for Health and Consumer Protection, Joint Res. Centre of the European Commission, Ispra (VA), ItalyCorrespondence Address: Polychronopoulou, K.Department of Mechanical and Manufacturing Eng., University of Cyprus, Nicosia, Cyprus, 2010)
      Cr-N and Cu-Cr-N coatings with Cu content between 3-65 at.%, Cu/Cr ratios in the 0.04-4.5 range and 21-27 at.% N, synthesized by twin e-beam Physical Vapor Deposition (EBPVD) at 450°C, were investigated. Using X-ray ...

    • Article  

      The effect of natural organic matter on the formation and solubility of M(OH)4 solid phases 

      Antoniou, Stella; Pashalidis, Ioannis (2014)
      In this study the formation of M(OH)4 solid phases (e.g. Th(IV), Ce(IV) and Zr(IV)) has been investigated as a function of the natural organic matter (NOM) concentration in 0.1 M NaClO4, in the pH range between 2 and 5, ...

    • Article  

      Effect of silicon nitride/oxide on the structure and the thermal conductivity of CoSi nanocomposites 

      Ioannou, M.; Delimitis, A.; Symeou, E.; Giapintzakis, John; Kyratsi, Theodora (2017)
      In this work, the fabrication of nanocomposites with silicon nitride/oxide into the thermoelectric matrix of cobalt silicide is presented. The different concentrations of nano-Si3N4 were intentionally introduced by mechanical ...

    • Article  

      Effects of hofmeister anions on DPPC langmuir monolayers at the air-water interface 

      Aroti, Andria; Leontidis, Epameinondas; Maltseva, E.; Brezesinski, G. (2004)
      In this work we investigated the effect of sodium salts of different monovalent anions belonging to the Hofmeister series on Langmuir monolayers of DPPC (1,2-dipalmitoyl phosphatidylcholine). The salts used were NaCl, NaBr, ...

      Browse

      EverywhereCommunities & CollectionsBy Submission DateAuthorsTitlesSubjectsBy TypeBy DepartmentBy Faculty

      My Account

      Login
      Πνευματικά δικαιώματα ©  Βιβλιοθήκη Πανεπιστημίου Κύπρου
      Contact Us | Send Feedback
      Οδηγίες κατάθεσης διδακτορικής διατριβής
      Open Access
      ORCiD