Volatile ultrafast switching at multilevel nonvolatile states of phase change material for active flexible terahertz metadevices by Pitchappa, Prakash, Kumar, Abhishek, Prakash, Saurav, Jani, Hariom, Medwal, Rohit, Mishra, Mayank, Rawat, Rajdeep Singh, Venkatesan, Thirumalai, Wang, Nan, Singh, Ranjan

“…Phase change materials provide unique reconfigurable properties for photonic applications that mainly arise from their exotic characteristic to reversibly switch between the amorphous and crystalline nonvolatile phases. Optical pulse based reversible switching of nonvolatile phases is exploited in various nanophotonic devices. …”
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Optical properties of ultrathin metal oxide and metal films : effect of free electrons, quantum confinement and localized surface plasmon resonance by Li, Xiao Dong

“…Ultrathin metal oxide thin films including undoped ZnO, Al-doped ZnO (AZO) and amorphous indium gallium zinc oxide (a-IGZO) were deposited using RF magnetron sputtering technique. …”
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Properties study of B20 palm-methyl ester biodiesel added with oxide nanoparticle towards green marine fuels by Che Wan, Mohd Noor, Amirah Nur, Fhatihah, Rizalman, Mamat, Wan Mohd, Norsani, Wan Nurdiyana, Wan Mansor, Mohammad Nor, Khasbi

“…The morphology study revealed that the structure of nanoparticles is in an amorphous state which is expected to contribute a large contact area, good stability and catalytic with a high combustion rate of blend fuel. …”
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Enhancing implant performance: 20% reduction in Pseudomonas aeruginosa bacterial initial formation with Cu₀.₇₅Ti₀.₂₅O₂ coating by Yadav, Abhishek, Pradhan, Soumen, Khokholva, M., El Khaloufi, Oualyd, Khong, Nicole Zi Jia, Lai, Soak-Kuan, Fouchet, Arnaud, David, Adrian, Lüders, Ulrike, Li, Hoi-Yeung, Rao, Mamidanna Sri Ramachandra, Prellier, Wilfrid

“…Microstructural analysis revealed that the films were amorphous and exhibited a smooth surface. In addition, the contact angle measurements demonstrated high hydrophilicity, as indicated by values below 90°. …”
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Investigation of transition metal oxides as electrocatalysts for water oxidation by Li, Haiyan

“…It is found that the activity of SrCoO3-δ oxide electrode is sensitive to the electrolyte environment and the two Fe-modified SrCoO3-δ catalysts, with similar surface amorphous layers but different remaining bulk phases, exhibit roughly equal activities. …”
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Charge storage and transport mechanisms in printable supercapacitors by Wee, Grace Tsyh Ying

“…While conventional SCs suffer from its bulky architecture comprising of metallic current collectors and amorphous carbon, incorporation of the carbon nanotubes (CNTs) network as a single-layer current collector and active material has been explored, which leads to a light-weight and printable charge storage device that offers a “printed power solution” that can be potentially integrated with printed electronics applications. …”
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Development of red/near-infrared fluorescent molecules and macromolecules for biomedical applications by Yang, Cangjie

“…Specifically, Chapter 2 presents a new crystallization-induced-emission (CIE) fluorophore (denoted as Indigoid-B). A transition from amorphous to crystalline state of Indigoid-B was induced upon ultrasonication, accompanied with an enhancement of red emission at 600 nm. …”
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Influence of calcination temperature on nickel oxide nanoparticles synthesized by thermal treatment by Manal, Ahmed Hashem

“…The X-ray diffraction (XRD) and Fourier Transform Infrared (FTIR) spectra exhibited that the samples were amorphous at room temperature but transformed into a crystalline structure during calcination. …”
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Bibliometric analysis of high strength self compacting concrete performance containing silica fume and fly ash: Review by Azare, Ahmed Aliyu, Mohd Haziman, Wan Ibrahim, Alshalif, Abdullah Faisal, Putra Jaya, Ramadhansyah, Nindyawati, Nindyawati

“…Furthermore, the obtained results reveal that SF’s high surface area and relatively amorphous structure give it the highest reactivity and a faster pozzolanic reaction than FA, which has moderate reactivity because of its crystalline nature. …”
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Growth and physical properties of organic semiconducting single crystals by Tan, Ke Jie

“…Organic field effect transistors have achieved charge mobilities larger than that of amorphous silicon. Therefore it is justified to ask for the intrinsic limit of organic semiconductors and how to improve the physical properties of organic semiconductors. …”
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Tunable metasurfaces for active nanophotonics by Omar Abdelrahman Mohamed Abdelraouf

“…We were able to design and experimentally demonstrate tunable third-harmonic generation (THG) in the visible spectrum based on amorphous silicon (a-Si) metasurface supporting Fano resonance. …”
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Study of lithium-ion battery anodes based on silicon nanostructures by Fan, Yu

“…As a result, the composite anode shows quite good capacity retention and rate performance, significantly better than a conventional Si thin film anode with the same amount of amorphous Si loading. The second nanostructure demonstrated is carbon nanotube (CNT)-Si core-shell wire arrays rooted on a stainless steel current collector. …”
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Growth of vanadium oxides nanostructures by chemical vapour deposition by Sim, Dao Hao

“…Vanadium deposition on stainless steel foils results in the formation of amorphous iron vanadate (FeVO4) nanosheets arrays. …”
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HiPIMS deposition of VO2 thermochromic coating for enhanced optical properties by Vu, Tuan Duc

“…By introducing seeding, one-step HiPIMS process was achieved which comprises of guided growth of VO2 nanorod embedded within amorphous V2O5 matrix. Furthermore, the unique nanorod structure with lowered transition temperature τc of 56.6 °C has tunable solar modulation depending on the solar incident angle. …”
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Solution processed transition metal oxides selective contacts for Si heterojunction solar cells by Lu, Chenjin

“…However, the p-type amorphous Si (a-Si) layer in this configuration suffers from parasitic absorption and high recombination. …”
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Studies on plasma assisted molecular beam epitaxial growth of GaN-based multilayer heterostructures on Si for photodetector application by Zheng, Yi

“…Prior to AlN buffer layer growth, amorphous SiNx formed on Si surface can also be used as buffer layer to achieve smooth GaN on Si substrate. …”
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Pnictogen-halide semiconductors for photovoltaics by Liu, P

“…The current commercial IPV devices are hydrogen passivated amorphous silicon (a-Si:H), but have low efficiencies, typically in the range of 4.4% to 9.2%[4-8]. …”

Cage Molecules Stabilize Lead Halide Perovskite Thin Films by Sun, Shijing, Liu, Ming, Thapa, Janak, Hartono, Noor Titan Putri, Zhao, Yicheng, He, Donglin, Wieghold, Sarah, Chua, Matthew, Wu, Yue, Bulović, Vladimir, Ling, Sanliang, Brabec, Christoph J., Cooper, Andrew I., Buonassisi, Tonio

“…POCs are significantly larger than the small-molecule additives explored for HOIP synthesis to date but much smaller than polymeric sealants. Partially amorphized composites of MAPbI3 (methylammonium lead iodide, HOIP) and RCC3 (an amine POC) form a network-like surface topography and lead to an increase in the optical bandgap from 1.60 to 1.63 eV. …”
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Promoting hydrogen-evolution activity and stability of perovskite oxides via effectively lattice doping of molybdenum by Zhang, Zhenbao, Chen, Yubo, Dai, Ziyang, Tan, Shaozao, Chen, Dengjie

“…We ascribe the enhanced operational stability to the formation of a low concentration of oxygen vacancy that stabilizes the crystal structure of Mo-doped SrCo0.7Fe0.3O3-δ and prevents the surface from Sr leaching/surface amorphization. These findings suggest that tuning perovskite oxide using a redox-inactive dopant featured with high valence state may provide further avenues to HER optimization.…”
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Defect chemistry in 2D atomic layers for energy photocatalysis by Di, Jun, Hao, Gazi, Jiang, Wei, Liu, Zheng

“…We start with the classification of defects in the 2D atomic layers, such as anion vacancies, cation vacancies, vacancy associates, single atom doping, pits, amorphization, grain boundaries, and single-metal-atom chains. …”
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