Results 1 to 10 of about 5,632 (290)

Spin glass states in multicomponent layered perovskites [PDF]

Scientific Reports
Temperature-dependent dc-magnetization and ac-susceptibility curves have been recorded for series of single and double layered Ruddlesden-Popper multicomponent perovskites with chemical formula A2BO4 and A3B2O7, respectively, with (La, Sr) on A-sites and
P. Pramanik, R. Clulow, D. C. Joshi, A. Stolpe, P. Berastegui, M. Sahlberg, R. Mathieu   +6 more
doaj   +10 more sources

Templated growth of oriented layered hybrid perovskites on 3D-like perovskites [PDF]

Nature Communications, 2020
The orientation of layered perovskites plays a crucial role in their charge transport behavior and hence, the efficiency of related solar cells. Here, the authors find that preformed 3D-like perovskites can efficiently template the growth of layered ...
Jifei Wang, Shiqiang Luo, Yun Lin, Yifu Chen, Yehao Deng, Zhimin Li, Ke Meng, Gang Chen, Tiantian Huang, Si Xiao, Han Huang, Conghua Zhou, Liming Ding, Jun He, Jinsong Huang, Yongbo Yuan   +15 more
doaj   +5 more sources

Magnetic and Electric Properties of , () Layered Perovskites [PDF]

Advances in Condensed Matter Physics, 2013
The electric and magnetic properties of layered perovskites have been investigated systematically over the doping range . It was found that both Sr1.5Y0.5CoO4 and Sr1.4Y0.6CoO4 undergo ferromagnetic (FM) transition around 145 K and 120 K, respectively ...
A. I. Ali, A. Hassen
doaj   +3 more sources

Inorganic and Layered Perovskites for Optoelectronic Devices

Advanced Materials, 2019
AbstractOrganic–inorganic halide perovskites are making breakthroughs in a range of optoelectronic devices. Reports of >23% certified power conversion efficiency in photovoltaic devices, external quantum efficiency >21% in light‐emitting diodes (LEDs), continuous‐wave lasing and ultralow lasing thresholds in optically pumped lasers, and ...
Azhar Fakharuddin, Weiming Qiu, Tahir Iqbal   +2 more
exaly   +6 more sources

Critical Role of Organic Spacers for Bright 2D Layered Perovskites Light‐Emitting Diodes [PDF]

Advanced Science, 2020
Light‐emitting diodes (LEDs) made with quasi‐2D/3D and layered perovskites have undergone an unprecedented surge as their external quantum efficiency (EQE) is rapidly approaching other lighting technologies.
Hsinhan Tsai, Cunming Liu, Eli Kinigstein, Mingxing Li, Sergei Tretiak, Mircea Cotlet, Xuedan Ma, Xiaoyi Zhang, Wanyi Nie   +8 more
doaj   +3 more sources

Layered Perovskites BaLn_nIn_nO_3n+1 (n = 1, 2) for Electrochemical Applications: A Mini Review [PDF]

Membranes, 2022
Modern humanity is facing many challenges, such as declining reserves of fossil energy resources and their increasing prices, climate change and an increase in the number of respiratory diseases including COVID-19.
Nataliia Tarasova
doaj   +2 more sources

Exciton dissociation in 2D layered metal-halide perovskites [PDF]

Nature Communications, 2023
Layered 2D perovskites are making inroads as materials for photovoltaics and light emitting diodes, but their photophysics is still lively debated. Although their large exciton binding energies should hinder charge separation, significant evidence has ...
Angelica Simbula, Luyan Wu, Federico Pitzalis, Riccardo Pau, Stefano Lai, Fang Liu, Selene Matta, Daniela Marongiu, Francesco Quochi, Michele Saba, Andrea Mura, Giovanni Bongiovanni   +11 more
doaj   +2 more sources

Machine learning-enhanced band gaps prediction for low-symmetry double and layered perovskites [PDF]

Scientific Reports
Density functional theory (DFT) calculations are widely used for material property prediction, but their computational cost can hinder the discovery of novel perovskites.
Alireza Sabagh Moeini, Fatemeh Shariatmadar Tehrani, Alireza Naeimi-Sadigh   +2 more
doaj   +2 more sources

Oxygen Ion and Proton Transport in Alkali-Earth Doped Layered Perovskites Based on BaLa₂In₂O₇ [PDF]

Inorganics, 2022
Inorganic materials with layered perovskite structures have a wide range of physical and chemical properties. Layered perovskites based on BaLanInnO3n+1 (n = 1, 2) were recently investigated as protonic conductors. This work focused on the oxygen ion and
Nataliia Tarasova, Anzhelika Bedarkova, Irina Animitsa, Ksenia Belova, Ekaterina Abakumova, Polina Cheremisina, Dmitry Medvedev   +6 more
doaj   +2 more sources

Intrinsic Limits of Charge Carrier Mobilities in Layered Halide Perovskites

PRX Energy
Layered halide perovskites have emerged as potential alternatives to three-dimensional (3D) halide perovskites due to their improved stability and larger material phase space, allowing fine tuning of structural, electronic, and optical properties ...
Bruno Cucco, Joshua Leveillee, Viet-Anh Ha, Jacky Even, Mikaël Kepenekian, Feliciano Giustino, George Volonakis   +6 more
doaj   +2 more sources