Results 31 to 40 of about 21,618 (269)

Surface Modification and Enhancement of Ferromagnetism in BiFeO₃ Nanofilms Deposited on HOPG

Nanomaterials, 2020
BiFeO3 (BFO) films on highly oriented pyrolytic graphite (HOPG) substrate were obtained by the atomic layer deposition (ALD) method. The oxidation of HOPG leads to the formation of bubble regions creating defective regions with active centers ...
Shikhgasan Ramazanov, Dinara Sobola, Farid Orudzhev, Alexandr Knápek, Josef Polčák, Michal Potoček, Pavel Kaspar, Rashid Dallaev   +7 more
doaj   +1 more source

Inactive Al3+-doped La(CoCrFeMnNiAl x )1/(5+x)O3 high-entropy perovskite oxides as high performance supercapacitor electrodes

Journal of Advanced Ceramics, 2022
A series of high-entropy perovskite oxides (HEPOs) La(CoCrFeMnNiAl x )1/(5+x)O3−δ (x = 0.4, 0.5, 0.6, and 0.7) have been synthesized by coprecipitation method combined with calcination process and explored as electrodes for supercapacitors.
Meng Guo, Yufeng Liu, Fengnian Zhang, Fuhao Cheng, Chufei Cheng, Yang Miao, Feng Gao, Jun Yu   +7 more
doaj   +1 more source

Bias‐Free Highly Efficient and Stable Dye‐Sensitized Photoelectrochemical Cells via Cascade Charge Transfer

Advanced Functional Materials, EarlyView.
A buried‐junction DSPEC design is introduced that leverages cascade charge transfer to enhance efficiency, stability, and versatility. This approach facilitates effective charge transfer and minimizes recombination losses, leading to significant improvements.
Jun‐Hyeok Park, Kyounglim Kim, Jinyoung Lee, Sarang Kim, Gwangsu Yoon, So Yeon Yoon, Jeong Kyeong Lee, Ji‐Wook Jang, Tae‐Hyuk Kwon   +8 more
wiley   +1 more source

Hexagonal Rare Earth-Iron Mixed Oxides (REFeO3): Crystal Structure, Synthesis, and Catalytic Properties

Frontiers in Chemistry, 2019
The rare earth-iron mixed oxide (REFeO3) is an attractive material in fields such as electronic, magnetic, and catalytic research. Generally, orthorhombic REFeO3 (o-REFeO3) with a perovskite structure is better known than hexagonal REFeO3 (h-REFeO3 ...
Saburo Hosokawa, Saburo Hosokawa
doaj   +1 more source

Promising Cathode Material for Supercapacitors LaFe0.5Cr0.5O3 Perovskite Nanoparticles

Фізика і хімія твердого тіла, 2020
In this work, the Perovskite powders LaFe0.5Cr0.5O3 with a space group of P m - 3 m was obtained by the sol-gel method. The nanoscale powders of LaFe0.5Cr0.5O3 have been tested as a cathode material for electrochemical supercapacitors. The CVA and charge-
I.P. Yaremiy, M.L. Mokhnatskyi, P.I. Kolkovskyi, L.V. Mokhnatska, S.I. Yaremiy, A.I. Kachmar, Kh.P. Cherkach   +6 more
doaj   +1 more source

Advancing Electronic Application of Coordination Solids: Enhancing Electron Transport and Device Integration via Surface‐Mounted MOFs (SURMOFs)

Advanced Functional Materials, EarlyView.
The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu, Christof Wöll, Stefan Bräse   +2 more
wiley   +1 more source

Enhanced Magnetic Properties of BiFeO3 Thin Films by Doping: Analysis of Structure and Morphology

Nanomaterials, 2018
The improvement of ferromagnetic properties is critical for the practical application of multiferroic materials, to be exact, BiFeO3 (BFO). Herein, we have investigated the evolution in the structure and morphology of Ho or/and Mn-doped thin films and ...
Yilin Zhang, Yuhan Wang, Ji Qi, Yu Tian, Mingjie Sun, Junkai Zhang, Tingjing Hu, Maobin Wei, Yanqing Liu, Jinghai Yang   +9 more
doaj   +1 more source

Functional Perovskites: Structure-Properties Correlations

OAJ Materials and Devices, 2021
The perovskite structure with general formula ABX3 shows its multidimensional nature in regards to correlations of crystal structures with electronic, magnetic, optical, and catalytic properties. Perovskites are utilized in a large range of applications due to their tremendous versatility.
A.K. Bera, S.M. Yusuf
openaire   +2 more sources

Modulating Two‐Photon Absorption in a Pyrene‐Based MOF Series: An In‐Depth Investigation of Structure–Property Relationships

Advanced Functional Materials, EarlyView.
This study investigates H4TBAPy‐based metal–organic frameworks (MOFs) ‐ NU‐1000, NU‐901, SrTBAPy, and BaTBAPy ‐ for multiphoton absorption (MPA) performance. It observes topology‐dependent variations in the 2PA cross‐section, with BaTBAPy exhibiting the highest activity.
Simon N. Deger, Helmy Pacheco Hernandez, Yang Cui, Hongxing Hao, Vanessa Ramm, David C. Mayer, Khai‐Nghi Truong, Roland A. Fischer, Jürgen Hauer, Mariana Kozlowska, Alexander Pöthig   +10 more
wiley   +1 more source

Recent progress in perovskite solar cells: the perovskite layer

Beilstein Journal of Nanotechnology, 2020
Perovskite solar cells (PSCs) are set to be game changing components in next-generation photovoltaic technology due to their high efficiency and low cost.
Xianfeng Dai, Ke Xu, Fanan Wei
doaj   +1 more source