- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Magnetism in coordination complexes
- Metal complexes synthesis and properties
- Metal-Organic Frameworks: Synthesis and Applications
- Lanthanide and Transition Metal Complexes
- Multiferroics and related materials
- Aerogels and thermal insulation
- Metal-Catalyzed Oxygenation Mechanisms
- Physics of Superconductivity and Magnetism
- Polyoxometalates: Synthesis and Applications
- Crystallography and molecular interactions
- Graphene research and applications
- 2D Materials and Applications
- Superconductivity in MgB2 and Alloys
- Porphyrin and Phthalocyanine Chemistry
- Advanced ceramic materials synthesis
- Advanced materials and composites
- Advanced Condensed Matter Physics
- Luminescence Properties of Advanced Materials
- Glass properties and applications
- Aluminum Alloys Composites Properties
- Nanoparticle-Based Drug Delivery
- Molecular Junctions and Nanostructures
- Surface Modification and Superhydrophobicity
Cyprus University of Technology
2021-2025
Aristotle University of Thessaloniki
2006-2021
Central European Institute of Technology
2018-2020
Brno University of Technology
2018-2020
Tohoku University
2017-2018
Advanced Institute of Materials Science
2017-2018
Japan Science and Technology Agency
2017
Universitat de Barcelona
2012-2016
FC Barcelona
2016
Hellenic Agency for Local Development and Local Government
2014
Abstract Ferromagnetism in 2D materials has attracted tremendous interest from the scientific community thanks to its potential for design of magnetic with unique properties. The presence a ferromagnetic element material can improve existing properties and offer new ones, giving rise development manifold applications. This review focuses on recent advances perspectives that bear at least one (iron, cobalt, nickel) as i) structural constituent, ii) dopant atom, or iii) adjacent atom through...
Abstract A complete isostructural series of dinuclear asymmetric lanthanide complexes has been synthesized by using the ligand 6‐[3‐oxo‐3‐(2‐hydroxyphenyl)propionyl]pyridine‐2‐carboxylic acid (H 3 L ). All have formula [Ln 2 ) )(NO )(py)(H O)] (Ln=La ( 1 ), Ce Pr Nd 4 Sm 5 Eu 6 Gd 7 Tb 8 Dy 9 Ho 10 Er 11 Tm 12 Yb 13 Lu 14 Y 15 ); py=pyridine). Complexes La to and crystallographically characterized reveal that two metal ions are encapsulated within distinct coordination environments differing...
Nickel ferrite nanoparticles were synthesized via a facile solvothermal approach. Oleylamine (OAm) was used in all synthetic procedures as stabilizing agent and solvent. By varying the polarity of solvents, hydrophobic NiFe2O4 coated with OAm relatively similar sizes (9-11.7 nm) range magnetization values (32.0-53.5 emu g(-1)) obtained. The as-prepared characterized by XRD, TEM, SEM, TGA VSM converted to hydrophilic two different approaches. addition positively charged ligand (cetyltrimethyl...
The multifunctional behavior of two mononuclear lanthanide compounds attached to a curcuminoid called 9 Accm has been investigated. results show that [Dy(9 Accm)2(NO3)(dmf)2] Yb(9 Accm)3(py)] behaves as single-ion magnet and both display luminescent responses exhibit affinity for graphite surfaces (see figure). Detailed facts importance specialist readers are published ”Supporting Information”. Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted by the...
Two related single-molecule magnets, [Co(9Accm)<sub>2</sub>(py)<sub>2</sub>] and [Co(9Accm)<sub>2</sub>(2,2′-bpy)], with <italic>cis</italic> <italic>trans</italic> disposition of the CCMoid ligands were studied in solution, solid state by deposition on different surfaces.
TlBa2Ca2Cu3DyxO8+δ superconductor samples (x = 0–0.075) were prepared by a two-step solid-state reaction technique to investigate the impact of Dy2O3 (dysprosium sesquioxide) addition on formation and transport properties Tl-1223 phase. The analyzed using X-ray powder diffraction, AC susceptibility, high-harmonics temperature dependence study effects phase formation, superconducting transition Tc, intergrain critical current density Jc. XRD results revealed that are nearly single-phases with...
The physicochemical properties of rare-earth zirconates can be tuned by the rational modification their structures and phase compositions. In present work, La3+-, Nd3+-, Gd3+-, Dy3+-zirconate nanostructured materials were prepared different synthetic protocols, leading to powders, xerogels, and, for first time, monolithic aerogels. Powders synthesized co-precipitation method, while xerogels aerogels sol-gel technique, followed ambient supercritical drying, respectively. Their...
Abstract Schiff‐base derivatives are widely used organic compounds and their metal complexes have been drawing much attention to chemists due interesting structural features unique properties. The presence of nitrogen containing imine groups (−C=N−) in Schiff‐bases as well metallic the chelating properties these responsible for many biological In this review, we summarized various acyclic ligands different which reported last one decade. shown a broad range activities, including antifungal,...
We report on the fabrication of hybrid molecular devices employing multilayer graphene (MLG) flakes which are patterned with a constriction using helium ion microscope (HIM) or an oxygen plasma etch. The patterning step allows for localization few-nanometer gap, created by electroburning, that can host single molecules ensembles. By controlling width sculpted constriction, we regulate critical power at electroburning process begins. estimate flake temperature given and find low powers it is...
Cu<sub>2</sub>O NPs of 30 nm with antifungal properties were functionalized 9 NiFe<sub>2</sub>O<sub>4</sub> MNPs to construct hetero-NCs for magnetomechanical stress induction in <italic>S. cerevisiae</italic>.
The mixed valence Co(II)/Co(III) tetranuclear clusters [Co(II)2Co(III)2(tea)2(pyr)2(NO3)4]·2CH3CN (1), [Co(II)2Co(III)2(μ3-OH)2(Htea)2(bpy)4](NO3)4 (2), and [Co(II)2Co(III)2(μ3-OH)2(Htea)2(phen)4](NO3)4·2CH3CN·2CH3OH (3) are described where tea Htea the fully doubly deprotonated form of triethanolamine, while as N-donors pyridine, 2,2'-bipyridine 1,10-phenanthroline. Complexes 1-3 contain Co(II)2Co(III)2O6 core can be defective dicubanes with different imperfectness. In 1, central rhombic...
Oleylamine-coated CoFe<sub>2</sub>O<sub>4</sub> magnetic nanoparticles were successfully encapsulated into hydrophobically modified water-soluble polymers. The resulting hydrophilic nanohybrids exhibit promising <italic>r</italic><sub>2</sub>-relaxivity properties.
The ability to encapsulate hydrophobic ferrites in colloidal superparticle structures of an a-telechelic hexadecyl-functionalized poly(methacrylic acid) (C16H33-PMAA) polymer with a linear architecture was investigated and compared that two amphiphilic comb-type water-soluble copolymers, namely, P(ANa-co-DAAm) P(MANa-co-DMA), which are comprised poly(sodium acrylate) or methacrylate) backbone pendent dodecyl acrylamide methacrylate chains, respectively. In the case C16H33-PMAA, pH-sensitive...
The effect of substituting Cu by elemental additions Ni or Co on the atomic structure Zr60Cu30Al10 ternary bulk metallic glass (BMG) is studied using high-energy synchrotron radiation X-ray diffraction. Analyses structural features in reciprocal and real space factors S(Q) pair-distribution functions (PDF) point to an increase disorder for Ni- Co-bearing quaternary alloys. This consistent with "confusion principle" since upon alloying initially nearly identical sizes Cu, diversify due local...
2D Ferromagnets In article number 2309046, Zdenek Sofer, Lakshminarayana Polavarapu, Stefanos Mourdikoudis, and co-workers delve into the multiple aspects of ferromagnetic elements in materials, prospects forming next-generation magnets, their capabilities apart from magnetic nature. The discussion over valuable properties derived such aims to unfold numerous benefits that enable implementation multifold diverse applications.
The endohedral lithium fulleride, Li+@C60•−, is a potential precursor for new families of molecular superconducting and electronic materials beyond those accessible to date from C60 itself. Solid Li@C60 comprises (Li@C60)2 dimers, isostructural isoelectronic with the (C59N)2 units found in solid azafullerene. Here, we investigate structural vibrational properties samples synthesized by electrolytic reduction routes. resulting are high quality, crystallinity far superior that their...
Iron is an essential metal ion in plant growth and development. Mobilization further use of that by cellular structures metabolic pathways entails the existence soluble forms complexed with indigenous organic substrates, such as low molecular mass d-(-)-quinic acid. In effort to understand relevant aqueous chemistry involving well-defined iron, research efforts were carried out on binary Fe(III)-quinic acid system. pH-specific reactions FeCl3·6H2O quinic a molar ratio 1:3 led isolation...