Special Issues

Crystals publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue polices and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Polycrystalline Materials – from Design to (Micro)Structural Characterization and Applications submission deadline 31 Jul 2024 | 8 articles | Viewed by 9844 | Submission Open
Keywords: structure determination from PXRD data; microstructural analysis; powder diffraction software; Rietveld refinement; polycrystalline thin films; synchrotron radiation; spin coating; mechanochemistry; solvothermal synthesis; electrochemical materials; magnetic materials; thermal expansion materials; porous materials
(This special issue belongs to the Section Crystal Engineering)
Synthesis, Characterization and Applications of Crystalline Electroconductive Polymers
edited by Rocco Carcione, , Giorgio Scordo and
submission deadline 31 Jul 2024 | 1 articles | Viewed by 852 | Submission Open
Keywords: electroconducting polymer-based materials; nanocomposites; carbon-based nanomaterials; biocomposite materials; polymerization processes; polymer matrix; surface modification; interfacial properties; applications; sensors and devices; morphological and structural characterizations
(This special issue belongs to the Section Materials for Energy Applications)
Topological Photonic Crystals
edited by Claudionor Gomes Bezerra, Carlos Humberto Oliveira Costa and
submission deadline 31 Jul 2024 | Viewed by 302 | Submission Open
Keywords: topological photonic crystals; topological phases; edge states; localization of light; waveguides; lasers; filters; resonators
(This special issue belongs to the Section Inorganic Crystalline Materials)
Green Approach in Synthesis of Bio-Inspired Materials (Second Edition) submission deadline 31 Jul 2024 | 1 articles | Viewed by 250 | Submission Open
Keywords: biomineralization; pathological biomineralization; green synthesis; bioinspired synthesis; biologically active compounds; additives; antioxidants
(This special issue belongs to the Section Biomolecular Crystals)
Pressure-Induced Phase Transformations (Third Edition)
edited by and Akun Liang
submission deadline 31 Jul 2024 | Viewed by 140 | Submission Open
Keywords: high-pressure research; phase transitions; structural properties; transition mechanisms; equation of state; symmetry breaking; melting curves
(This special issue belongs to the Section Inorganic Crystalline Materials)
Transition-Metal-Catalyzed C–N Formation and Its Application
edited by Seoungtae Kim and Han-jun Ai
submission deadline 31 Jul 2024 | Viewed by 131 | Submission Open
Keywords: organic synthesis; transition metal catalysis; cross-coupling reaction; C– N formation; mechanistic study; computational study; heterocycles; amides; amines
(This special issue belongs to the Section Organic Crystalline Materials)
Materials for Applications in Water Splitting and Battery
edited by Xiaoyong Yang
submission deadline 1 Aug 2024 | 1 articles | Viewed by 462 | Submission Open
Keywords: low-dimensional materials; nanocrystals; nanocage; sustainable materials; emerging functional nanomaterials; heterostructures; energy storage and conversion; battery research; electrode– electrolyte interfaces; high-energy electrode materials; material design; photoelectrochemical water splitting
(This special issue belongs to the Section Materials for Energy Applications)
Sustainable Heterogeneous Catalyst: From Structure to Application
edited by and
submission deadline 1 Aug 2024 | Viewed by 159 | Submission Open
Keywords: heterogeneous catalyst; electrocatalysts; photocatalysts; thermal catalysts; green chemistry; structural-activity studies; biofuels platform molecules energy CO2 conversion
(This special issue belongs to the Section Materials for Energy Applications)
Electronic Phenomena of Transition Metal Oxides Volume II
edited by Krzysztof Szot and
submission deadline 10 Aug 2024 | 5 articles | Viewed by 9067 | Submission Open
Keywords: metal– insulator transitions and superconductivity; atomistic processes at surfaces; interfaces; and extended defects; electronic structure and lattice dynamics; redox reactions and oxygen transport; segregation and phase transformations; multiferroic properties; machine learning for transition metal oxides design and discovery
(This special issue belongs to the Section Inorganic Crystalline Materials)
Synthesis of Liquid Crystals and Cellulose Derivatives Liquid Crystalline Phases: Recent Advances submission deadline 10 Aug 2024 | 2 articles | Viewed by 4215 | Submission Open
Keywords: liquid crystal materials; nature-inspired liquid crystals; cellulose; cellulose derivatives; stimuli-responsive liquid crystals; active materials
(This special issue belongs to the Section Liquid Crystals)
Liquid Crystals from Cellulosic Materials and Their Applications submission deadline 10 Aug 2024 | Viewed by 176 | Submission Open
Keywords: liquid crystal; cellulose; responsive; smart devices
(This special issue belongs to the Section Liquid Crystals)
Crystalline Materials: Polymorphism submission deadline 12 Aug 2024 | 7 articles | Viewed by 8707 | Submission Open
Keywords: polymorphism; pharmaceuticals; crystallisation; structure– property relationships; phase transformations; supramolecular chemistry; crystallography
(This special issue belongs to the Section Crystal Engineering)
Advanced Surface Engineering Materials: Characterization and Properties (2nd Edition) submission deadline 13 Aug 2024 | Viewed by 126 | Submission Open
Keywords: surface characterization; ultra-thin films; surface treatments; functionalized surface; SPM techniques
(This special issue belongs to the Section Inorganic Crystalline Materials)
Advances in Thin Structures and Materials Modelling
edited by , and
submission deadline 15 Aug 2024 | 4 articles | Viewed by 8235 | Submission Open
Keywords: couple stress theories; strain gradient theories; surface elasticity theories; flexoelectricity theories; isogeometric analysis; beam theories; plate theories; functionally graded materials; wave propagation; band gaps; materials modelling
(This special issue belongs to the Section Inorganic Crystalline Materials)
Research in Thermal Energy Storage Materials submission deadline 15 Aug 2024 | 2 articles | Viewed by 2914 | Submission Open
Keywords: sensible storage materials; latent storage materials; thermochemical storage materials; material screening; photoinduced thermal storage; reaction mechanisms; structure related materials properties; thermochemical and thermophysical materials properties; (re-) crystallization; crystal morphology; defect structures and doping
(This special issue belongs to the Section Materials for Energy Applications)
Recent Advances in the Mechanical Properties of Fiber Composite Materials
edited by Shouzheng Sun and Zhenyu Han
submission deadline 15 Aug 2024 | 3 articles | Viewed by 2425 | Submission Open
Keywords: resin-based composites; fiber-reinforced polymers; biocomposites  ; nanocomposites  ; manufacturing methods  ; process research  ; mechanical properties; natural fibers
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Porous Materials for Sustainable Energy and Catalysis
edited by
submission deadline 15 Aug 2024 | 1 articles | Viewed by 1667 | Submission Open
Keywords: porous materials; catalysis; surface reactions; electrocatalysis; plasmon-enhanced porous catalysts; photocatalysis; active site engineering
(This special issue belongs to the Section Inorganic Crystalline Materials)
Recent Advances in Green Synthesis of Spinel-Type Composites
edited by
submission deadline 15 Aug 2024 | Viewed by 208 | Submission Open
Keywords: magnetism; spinel-type composites; surface; electrical and electrochemical properties; spinel-based supercapacitors; spinel-based sensors; ferrite-; cobaltite- and manganite-based materials
(This special issue belongs to the Section Inorganic Crystalline Materials)
Computational and Theoretical Insights into Superconductors Advancements
edited by Xiaoyu Wang, Francesco Belli and
submission deadline 16 Aug 2024 | 2 articles | Viewed by 1414 | Submission Open
Keywords: superconductor; electron– phonon interaction; crystal structure prediction; quantum anharmonic effect; superconductivity; machine learning; material discovery
(This special issue belongs to the Section Inorganic Crystalline Materials)
Fatigue and Fracture of Crystalline Metal Structures
edited by Xiangnan Pan and
submission deadline 18 Aug 2024 | Viewed by 276 | Submission Open
Keywords: fatigue and fracture; fatigue regimes; engineering vibration; elastic and plastic waves; metals and alloys; additive manufacturing; microstructure modeling; microstructure characterization; civil engineering; aerospace structure
(This special issue belongs to the Section Crystalline Metals and Alloys)
Welding and Joining of Metallic Materials: Microstructure and Mechanical Properties
edited by Reza Beygi, and
submission deadline 20 Aug 2024 | 9 articles | Viewed by 8821 | Submission Open
Keywords: friction stir welding; laser welding; electron beam welding; hybrid welding; adhesive bonding; welding-based additive manufacturing (WAAM); gas metal arc welding (GMAW); gas tungsten arc welding (GTAW); shielded metal arc welding (SMAW); welding parameters and optimization; microstructure; post-weld heat treatment; grain structure; phase transformations; precipitates; defects; residual stresses; mechanical properties; non-destructive testing; fatigue analysis; fracture mechanics; weld integrity; reliability assessments
(This special issue belongs to the Section Crystalline Metals and Alloys)
Progress and Prospects of Perovskite Films
edited by Zhenhuang Su and Lingfeng Chao
submission deadline 20 Aug 2024 | 5 articles | Viewed by 6930 | Submission Open
Keywords: perovskite solar cells; perovskite films; perovskite light-emitting diode; perovskite photodetectors; perovskite lasers; synchrotron scattering; interface electronic structure; GIWAXS; XRD; crystallization kinetics; optical properties; transport properties
(This special issue belongs to the Section Materials for Energy Applications)
Crystallography of Enzymes
edited by and
submission deadline 20 Aug 2024 | 4 articles | Viewed by 5052 | Submission Open
Keywords: enzyme; structure; function; X-ray crystallography; crystal; crystallization; catalytic mechanism; antagonist
(This special issue belongs to the Section Biomolecular Crystals)
Advanced Research on Macromolecular Crystals (2nd Edition) submission deadline 20 Aug 2024 | 1 articles | Viewed by 2604 | Submission Open
Keywords: plastics; synthetic fibers; synthetic rubber; hybrid polymeric materials; eutectic molecular liquids; graphene carbon nanotubes; polymer composites; metal coordination polymers; metal– organic frameworks; macrocycles and macrocyclic metal complexes
(This special issue belongs to the Section Macromolecular Crystals)
Mechanical Metamaterials submission deadline 20 Aug 2024 | 1 articles | Viewed by 1523 | Submission Open
Keywords: mechanical metamaterial; microstructural design; static mechanical properties; dynamic behaviors; acoustic behaviors; reconfigurable elastic metamaterial
(This special issue belongs to the Section Inorganic Crystalline Materials)
Protein Crystallography: The State of the Art
edited by and Santosh Panjikar
submission deadline 20 Aug 2024 | 2 articles | Viewed by 1324 | Submission Open
Keywords: time-resolved serial crystallography in XFEL and synchrotrons (TR-SFX; TR-SSX); pink beam crystallography; small-angle X-ray scattering (SAXS); structural-based drug discovery; mechanistic enzymology; membrane proteins; macromolecular complexes; software developments for macromolecular crystallography; deep learning and artificial intelligence
(This special issue belongs to the Section Macromolecular Crystals)
Advanced Research in 2D Materials
edited by and
submission deadline 20 Aug 2024 | 1 articles | Viewed by 1291 | Submission Open
Keywords: synthesis and fabrication of 2D materials; characterization and properties of 2D materials; applications involving 2D materials; theories involving 2D materials; machine learning involving 2D materials
(This special issue belongs to the Section Inorganic Crystalline Materials)
Wet Chemical Synthesis of Functional Materials for Biomedical Applications submission deadline 20 Aug 2024 | 1 articles | Viewed by 1209 | Submission Open
Keywords: wet chemical methods; solvothermal synthesis; template synthesis; sonochemical synthesis; seeded growth; functional materials; biomedical applications
(This special issue belongs to the Section Hybrid and Composite Crystalline Materials)
Advances in Microstructure and Plastic Deformation of High-Strength Steels
edited by
submission deadline 20 Aug 2024 | 1 articles | Viewed by 1038 | Submission Open
Keywords: microstructure of high-strength steels; hot working; cold working; plastic deformation; innovative methodology research; new technologies; thermomechanical treatment; physical and numerical simulation of plastic deformation; structure simulation after plastic deformation; structure and mechanical properties.
(This special issue belongs to the Section Crystalline Metals and Alloys)
Ferromagnetic Materials: Crystal Structure and Magnetic Properties
edited by Chetan Dhital and
submission deadline 20 Aug 2024 | Viewed by 125 | Submission Open
Keywords: novel magnetic structures; crystal growth techniques; magnetization measurements; neutron scattering; X-ray scattering; Raman spectroscopy; Hall effect; resistivity; magnetoresistance
(This special issue belongs to the Section Inorganic Crystalline Materials)
Multiscale Interactions Between Surface Topographies, Their Functions and Formation Technologies for Crystalline Materials (Volume II)
edited by
submission deadline 20 Aug 2024 | Viewed by 111 | Submission Open
Keywords: multiscale analysis; surface topography; roughness surface metrology; surface texture; feature-based characterizations; surface– function interactions; additive manufacturing; nontraditional manufacturing
The Application of AI and Machine Learning for Energy Material Design
edited by Peng Gao and Liangchen Liu
submission deadline 20 Aug 2024 | Viewed by 103 | Submission Open
Keywords: machine learning; deep learning; artificial intelligence; graph convolutional network; first-principles calculations; microstructure modeling; cheminformatics
(This special issue belongs to the Section Materials for Energy Applications)
Single Crystal Growth and Superconductivity of Semiconductor Materials
edited by Wenwen Lin
submission deadline 20 Aug 2024 | Viewed by 79 | Submission Open
Keywords: wide bandgap semiconductor; detector semiconductor; ionizing radiation detector; scintillation crystals; hard radiation detector materials
(This special issue belongs to the Section Inorganic Crystalline Materials)
Metal Oxide Thin Films, Nanomaterials and Nanostructures
edited by Zahira El Khalidi, and
submission deadline 25 Aug 2024 | 4 articles | Viewed by 3341 | Submission Open
Keywords: nanomaterials and nanostructures; growth and elaboration methods; characterization techniques; modeling and simulation; power electronics; sensors; composites; growth processing modeling; surface plasmon resonance; IR and UV imaging
Coordination Complexes with Bio-Based Ligands
edited by
submission deadline 25 Aug 2024 | 2 articles | Viewed by 2701 | Submission Open
Keywords: coordination chemistry; ligands; bio-based molecules; chemicals from biomass; biomolecules; green building blocks; metal complexes; coordination polymers; metal– organic materials; X-ray crystal structure determination
(This special issue belongs to the Section Macromolecular Crystals)
In Situ and Operando Characterizations for Energy Materials
edited by Daren Wu, Kaixi Deng and
submission deadline 25 Aug 2024 | Viewed by 245 | Submission Open
Keywords: in situ NMR and Raman Spectroscopy; in situ/operando X-ray diffraction; absorption; and imaging; in situ/operando SEM and TEM; in operando thermal; magnetic; acoustic; and mechanical measurements; energy materials and devices; computational modeling and simulations for in situ processes
(This special issue belongs to the Section Materials for Energy Applications)
Synthesis and Characterization of Nanostructural Electrode Materials submission deadline 26 Aug 2024 | 1 articles | Viewed by 6251 | Submission Open
Keywords: metal– ion batteries; cathode materials; anode materials; synthesis of electrode materials; characterization of electrode materials; storage materials; nanotechnology and rechargeable batteries
(This special issue belongs to the Section Materials for Energy Applications)
Poly-Crystalline/Single-Crystalline Diamonds
edited by and Kazimierz Fabisiak
submission deadline 29 Aug 2024 | 1 articles | Viewed by 1491 | Submission Open
Keywords: methods of diamond synthesis; doping and use; and non-obvious methods of application; characterization of electrical; magnetic; optical; mechanical and structural properties; polycrystalline; nanocrystalline and single-crystal layers; luminescence; cathodoluminescence; thermoluminescence; dosimetry; and medical applications; XRD; EDS; XPS; Raman spectroscopy; AFM; STM
(This special issue belongs to the Section Mineralogical Crystallography and Biomineralization)
Gems Decoded: Bridging Gemology, Mineralogy, Crystallography and Geology
edited by , and
submission deadline 31 Aug 2024 | 6 articles | Viewed by 8016 | Submission Open
Keywords: gemology; gemstone characterization; geographic origin; gem identification; in-site micro-analysis; spectroscopy; synthetics; treatment; geochronology
(This special issue belongs to the Section Mineralogical Crystallography and Biomineralization)
Advances in Thin Film Solar Cells (Volume II)
edited by
submission deadline 31 Aug 2024 | 1 articles | Viewed by 1353 | Submission Open
Keywords: thin film silicon solar cells; CdTe thin film solar cells; CuInGaSe2 thin film solar cells; kesterites thin film solar cells; perovskites thin film solar cells; organic PV materials and devices; GaAS thin film solar cells; quantum dot solar cells; two-dimensional materials for PV applications; new device concepts and architectures for next generation of solar cells
(This special issue belongs to the Section Materials for Energy Applications)
Advanced Surface Modifications on Materials
edited by Rasoul Khandan and
submission deadline 1 Sep 2024 | 4 articles | Viewed by 3270 | Submission Open
Keywords: surface modifications; advanced surface techniques; materials surface engineering; surface properties; laser surface modification; laser surface coating
(This special issue belongs to the Section Inorganic Crystalline Materials)
Advances in Metal Matrix Composites: Structure, Properties and Applications submission deadline 10 Sep 2024 | 6 articles | Viewed by 8285 | Submission Open
Keywords: metal matrix composites; microstructure; mechanical properties; wear; thermophysical properties; electrical properties; applications
(This special issue belongs to the Section Crystalline Metals and Alloys)
Rare Earths-Doped Materials (3rd Edition) submission deadline 10 Sep 2024 | 3 articles | Viewed by 2961 | Submission Open
Keywords: rare earth elements; single crystals; bulk crystals; nanocrystals; phosphors; composite materials; semiconductors; insulators
(This special issue belongs to the Section Inorganic Crystalline Materials)
Advances in Organic Semiconductors
edited by
submission deadline 10 Sep 2024 | 2 articles | Viewed by 2089 | Submission Open
Keywords: small organic molecules/polymeric semiconductors; flexible/stretchable semiconductors; device physics; opto-electronic devices; molecular doping
(This special issue belongs to the Section Organic Crystalline Materials)
Synthesis, Properties, and Applications of 2D Materials
edited by Xu Jing
submission deadline 10 Sep 2024 | Viewed by 125 | Submission Open
Keywords: two-dimensional materials; synthesis of 2D materials; mechanical exfoliation; chemical vapor deposition; liquid-phase exfoliation; molecular beam epitaxy; mechanical properties; electronic properties; optical properties; thermal properties; magnetic properties; electronics; information computing and storage; energy storage; sensing and detection; catalysis; biomedicine; photovoltaics; optoelectronics; flexible and wearable devices
(This special issue belongs to the Section Inorganic Crystalline Materials)
Structural Investigation of Ceramic Materials
edited by and
submission deadline 15 Sep 2024 | 4 articles | Viewed by 7419 | Submission Open
Keywords: crystal structure; magnetic structure; microstructure; defects; diffraction; microscopy
(This special issue belongs to the Section Polycrystalline Ceramics)
Synthesis, Structure and Property Analysis of Crystalline Layers (Volume II)
edited by Kazimierz Fabisiak and
submission deadline 15 Sep 2024 | 2 articles | Viewed by 2916 | Submission Open
Keywords: method of synthesis of metals; semiconductors; magnetics; inorganic; and organic substances in bulk form and in thin films; characterization of electrical; magnetic; optical; mechanical; and structural properties; nanomaterials and multilayer heterostructures; spectroscopy of defects and dopants; luminescence; cathodoluminescence; and thermoluminescence; XRD; EDS; XPS; Raman spectroscopy; AFM; and STM
(This special issue belongs to the Section Inorganic Crystalline Materials)
Mechanical Behaviour of Anisotropic Coarse Grain Materials
edited by Benedikt Engel, Christopher Hyde and Moritz Liesegang
submission deadline 15 Sep 2024 | 2 articles | Viewed by 1861 | Submission Open
Keywords: elastic anisptropy; plastic anisotropy; grain interaction; schmid factor; polycrystalline material; coarse grain; voronoi tesselation; digital image correlation; in-situ testing; deformation behaviour
(This special issue belongs to the Section Crystalline Metals and Alloys)
Quantum Dots: Properties and Applications
edited by Byoungho Kang
submission deadline 15 Sep 2024 | 1 articles | Viewed by 1826 | Submission Open
Keywords: II– VI/III– V compound quantum dots; perovskite; carbon dots; nanoparticles; surface modification; surface encapsulation; down-conversion; up-conversion; renewable energy applications; display applications; illumination applications; biomedical applications
(This special issue belongs to the Section Inorganic Crystalline Materials)
Advances in High Entropy Ceramics
edited by Bing Wang and Heng Chen
submission deadline 15 Sep 2024 | 1 articles | Viewed by 813 | Submission Open
Keywords: high-entropy ceramics; entropy stabilization; structural and functional properties; solid solution
(This special issue belongs to the Section Polycrystalline Ceramics)
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