Results 61 to 70 of about 6,083,090 (295)

Lead-free perovskite LEDs powered by cyanuric acid. [PDF]

Innovation (Camb)
n ...
Xiao Y, Xue Q, Liu X, Gao F, Xie G.
europepmc   +4 more sources

Perovskite lead-free piezoelectric ceramics [PDF]

Journal of Applied Physics, 2020
The ability of piezoelectric devices to convert mechanical energy to electrical energy and vice versa has inspired remarkable growth in research on piezoelectric materials. However, based on the Restriction of Hazardous Substances legislation, it is necessary to eliminate the lead from currently used piezoelectric ceramics. Together with the increasing
openaire   +1 more source

Achieving High ON State Current through Ferroelectric Polarization‐Dependent Interfacial Resistance Switching in Undoped Orthorhombic HfO2 Films

Advanced Functional Materials, EarlyView.
Ferroelectric tunnel junction devices based on epitaxial undoped ferroelectric HfO2 films demonstrate stable switching endurance of over 106 switching cycles, low write voltages of ±3 V, 16 measured resistance states, and neuromorphic capability.
Markus Hellenbrand, Nuno Estrócio, Ji S. Kim, Babak Bakhit, Marian C. Istrate, Corneliu Ghica, Tiago Rebelo, Nives Strkalj, Abin Varghese, Bernardo Almeida, Luís S. Marques, Bipin Rajendran, Judith L. MacManus‐Driscoll, José P. B. Silva   +13 more
wiley   +1 more source

Tuning the Optoelectronic Properties of Wide Bandgap Perovskites: Data‐Driven Insights from Combinatorial Synthesis and High‐Throughput Experimentation

Advanced Functional Materials, EarlyView.
Combinatorial vapor deposition enables independent tuning of Cs/Pb and Br/Cl in wide‐bandgap perovskites. Automated multimodal mapping of 500+ compositions reveals a high‐energy optical transition that correlates with enhanced photoluminescence, defining a practical Cs/Pb window.
Alexander Wieczorek, Sergey Tsarev, Nathan Rodkey, Oleksandr Pshyk, Stefanie Frick, Maksym V. Kovalenko, Sebastian Siol   +6 more
wiley   +1 more source

Lead-Free Direct Band Gap Double-Perovskite Nanocrystals with Bright Dual-Color Emission

, 2018
Lead-free double-perovskite nanocrystals (NCs), that is, Cs2AgInxBi1–xCl6 (x = 0, 0.25, 0.5, 0.75, and 0.9), that can be tuned from indirect band gap (x = 0, 0.25, and 0.5) to direct band gap (x = 0.75 and 0.9) are designed. Direct band gap NCs exhibit 3
Weiwei Meng (304234), Keli Han (1629946), Bin Yang (103252), Feng Hong (174976), Bin Yang, Weiwei Meng, Weiqiao Deng, Weiqiao Deng (1660159), Feng Hong, Yuxuan Tang, Xusheng Xia (6036998), Xusheng Xia, Xin Mao (334813), Yuxuan Tang (6036995), Xin Mao, Songqiu Yang, Songqiu Yang (2169508), Keli Han   +17 more
core   +1 more source

Centimeter-Sized Single Crystal of a One-Dimensional Lead-Free Mixed-Cation Perovskite Ferroelectric for Highly Polarization Sensitive Photodetection

, 2021
Linear dichroic anisotropic photonic materials are highly attractive due to their great potentials in many applications, which in combination with the ferroelectric properties could broaden their research and applications.
Hong, M, Zhang, W, Luo, J
core   +1 more source

Dirac‐Source Linear X‐Ray Detection Diode

Advanced Functional Materials, EarlyView.
Monolayer graphene imparts near linear current‐voltage behavior to a perovskite X‐ray detection diode, contrasting with conventional diode‐like responses. Exploiting graphene's Dirac dispersion and a Schottky‐like back‐to‐back junction, the device achieves six‐orders‐of‐magnitude dark current suppression while retaining linearity over 200 V, enabling ...
Babar Shabbir, Shoaib Masood, Jialu Li, R. A. W. Ayyubi, Naeimeh Mozaffari, Mosarof Hossain, Nasir Mahmood, Muhammad Nadeem, Jacek J. Jasieniak   +8 more
wiley   +1 more source

CaSiO3 perovskite at lower mantle pressures [PDF]

, 2005
We investigate by first-principles the structural behavior of CaSiO3 perovskite up to lower mantle pressures. We confirm that the cubic perovskite modification is unstable at all pressures.
Price, GD, Wentzcovitch, R, Caracas, R, Brodholt, J   +3 more
core  

Lead-Free Double Perovskite Cs₂NaErCl₆: Li⁺ as High-Stability Anodes for Li-Ion Batteries

, 2022
Halide perovskite materials have been used in the field of lithium-ion batteries because of their excellent ion migration characteristics and defect tolerance.
Ying Liu (18461), Hao Wu (65943), Qi Wang (22418), Zilin Wang (1936828), Yugeng Wen (1977559), Qimei Liang (10687024), Yuxu Luo (12707690), Dacheng Zhou (1431595), Jiacheng Pi (10687021), Zhangwen Long (10687027), Junming Guo (41177), Jianbei Qiu (1431598), Shuai Yang (645019)   +12 more
core   +1 more source

Chelating agent : the health protector of researchers in lead halide perovskite laboratory [PDF]

, 2020
Lead halide perovskites have achieved substantial success in various optoelectronic devices owing to their remarkable physical properties. However, lead (Pb) as a heavy metal, long-lasting toxic to the body has become a health hazard for researchers. How
Deng, Yuhao, Yu-Hao, Deng
core   +1 more source