Results 91 to 100 of about 11,020,427 (276)

Solvent Oxidation‐Directed Synthesis of Highly Crystalline Iron Oxide Nanoparticles With Near‐Bulk Magnetization

Advanced Science, EarlyView.
Controlled oxidation of benzyl ether is established as a key synthetic parameter in the thermal decomposition of iron(III) acetylacetonate. Oxygenated solvent species alter precursor coordination and nucleation–growth kinetics, producing highly crystalline, magnetite‐rich nanoparticles with tunable size, controlled morphology, and near‐bulk ...
Lukas Hertle, Valentin Gantenbein, Joaquim Llacer‐Wintle, Mingchen Ma, Ziyu Li, Pu Luo, Zhengwei Tan, Fei Chen, Chen Chen, Chuanyi Wu, Chenxin Gao, Chenyi Zhou, Carlos Franco, Pere Bruna, Josep Puigmartí‐Luis, Xiang‐Zhong Chen, Bradley J. Nelson, Salvador Pané   +17 more
wiley   +1 more source

THE USE OF THE RIETVELD METHOD TO STUDY THE PHASE COMPOSITION OF CORDIERITE (Mg2Al4Si5O18) CERAMICS PREPARED FROM RICE HUSK SILICA

Makara Seri Sains, 2011
This research presents the use of the Rietveld method to study the phase composition of cordierite (MG2AL4SI5O18) ceramics prepared from rice husk silica, after the samples were sintered at 1300, 1400 and 1500 °C.
Simon Sembiring
doaj  

Improved Method for Electron Powder Diffraction-Based Rietveld Analysis of Nanomaterials

Nanomaterials
Multiphase nanomaterials are of increasing importance in material science. Providing reliable and statistically meaningful information on their average nanostructure is essential for synthesis control and applications.
Viktória K. Kis, Zsolt Kovács, Zsolt Czigány   +2 more
doaj   +1 more source

Stabilized Cubic GeTe With Matched Grain‐Boundary Networks and Band Convergence for High‐Performance Dual‐Mode Thermoelectric Devices

Advanced Science, EarlyView.
I‐doping stabilizes the cubic phase of GeTe and generates “electron‐transparent, phonon‐blocking” grain boundary networks while inducing valence‐band convergence. This synergistic structural‐electronic design enables effective electron‐phonon decoupling, achieving an exceptional average zTave of ∼1.62, a peak zT of ∼2.2, and enhanced mechanical ...
Xiaobo Tan, Xuri Rao, Huangshui Ma, Jiaxing Luo, Fan Feng, Zijian Lin, Ruiheng Li, Maoji Tian, Siqi Huo, Min Hong, Ran Ang   +10 more
wiley   +1 more source

Determination the crystallographic information of hexagonal magnesium via X-ray diffraction profiles

Journal of Alloys and Metallurgical Systems
Researching the crystallographic information is imperative in hexagonal magnesium. In this paper, the comparative evaluation on the crystallite size and shape, strain and texture are carried with semi-quantitively techniques, such as Williamson-hall ...
Yanlian Liu, Liyang Huang, Limin Hou, TaoTao Li   +3 more
doaj   +1 more source

Crystal structure refinements - Rietveld Method

, 2017
The talk is an introduction into the Rietveld method and basic aspects concerning powder diffraction analysis. The FOX- and Jana software are explained stepwise which should enable the audiences of the talk to start structure refinements by their ...
Schlegel, Moritz-Caspar, Svetogorov, R.
core  

Programming Structural Symmetry and Emission in Low‐Dimensional Hybrid Perovskites via Time and Temperature

Advanced Science, EarlyView.
We demonstrate programmable structural symmetry and emission in benzylammonium‐based low‐dimensional hybrid perovskites. Continuous shaking transforms orthorhombic platelets into a lower‐symmetry monoclinic phase with broadband emission, whereas thermal activation drives the reverse pathways toward a higher‐symmetry configuration resembling the ...
Luiz G. Bonato, Sirous Khabbaz Abkenar, Balaji Dhanabalan, Quentin Evrard, Luca Goldoni, Sergio Marras, Giorgio Divitini, Milena P. Arciniegas   +7 more
wiley   +1 more source

Structural and microstructural characterization of tin(II) oxide useful as anode material in lithium rechargeable batteries obtained from a different synthesis route at room temperature

Materials Research, 2011
Tin (II) oxide has been proposed as potential anode material in lithium rechargeable batteries. Different methods to obtain such compound have been developed with relative difficulty due to the fact that Sn(II) is easily oxidized to Sn(IV).
Mario Alberto Macías, José Antonio Henao Martínez, Gilles Henri Gauthier, Jorge Enrique Rodriguez, Humar Avila, José Pinto, Jesus Pinilla   +6 more
doaj  

CrVMoO7: MICROWAVE SYNTHESIS AND STRUCTURAL CHARACTERIZATION

Journal of the Turkish Chemical Society, Section A: Chemistry, 2018
In this study, microwave synthesis method was operated to obtain CrVMoO7. Structural characterization of the compound was realized by powder X-ray diffraction (XRD) and fourier transform infrared spectrum (FTIR).
Gülşah Çelik Gül
doaj   +1 more source

Programmable Chaotic Suspension Electrolysis for Scalable Manufacturing of Vacancy‐Tunable Electrolytic MnO2

Advanced Science, EarlyView.
Programmable chaotic suspension electrolysis bridges laboratory synthesis and industrial manufacturing of high‐performance MnO2 cathodes. This scalable strategy enables tunable oxygen vacancies and a robust γ/β tunnel framework, delivering superior electrochemical performance and thermal stability.
Zhihao Wu, Jie Yang, Yidan Fan, Wentao Li, Jiaxing Li, Jing Guo, Chunbiao Li, Lei Shi, Jiaoyuan Zhang, Xingna Cai, Zukang Chen, Qian Zhang, Jun Du, Changyuan Tao, Qizhi Chen, Guocan Zheng, Zuohua Liu   +16 more
wiley   +1 more source