Double Perovskite
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2022 ◽  
Vol 26 ◽  
pp. 101288
Author(s):  
Razi Ahmad ◽  
Lukáš Zdražil ◽  
Sergii Kalytchuk ◽  
Alberto Naldoni ◽  
Elmira Mohammadi ◽  
...  

2022 ◽  
Vol 210 ◽  
pp. 114408
Author(s):  
Emi Kawai ◽  
Tsuneaki Matsudaira ◽  
Takafumi Ogawa ◽  
Naoki Kawashima ◽  
Craig A.J. Fisher ◽  
...  

2022 ◽  
Vol 892 ◽  
pp. 162034
Author(s):  
Evgenii V. Sterkhov ◽  
Nikolay M. Chtchelkatchev ◽  
Elena V. Mostovshchikova ◽  
Roman E. Ryltsev ◽  
Sergey A. Uporov ◽  
...  

2022 ◽  
Vol 893 ◽  
pp. 162222
Author(s):  
Yang Xin ◽  
Lei Shi ◽  
Jiyin Zhao ◽  
Xueyou Yuan ◽  
Shiming Zhou ◽  
...  

Author(s):  
Valeria Murgulov ◽  
Catherine Schweinle ◽  
Michael Daub ◽  
Harald Hillebrecht ◽  
Michael Fiederle ◽  
...  

AbstractSingle crystals of lead-free halide double perovskite Cs2AgBiBr6 sensor material manifest a remarkable potential for application in radiation detection and imaging. In this study, the purity and crystallinity of solution-grown Cs2AgBiBr6 single crystals with cubic Fm$$\overline{3}$$ 3 ¯ m symmetry have been corroborated by powder XRD measurements, while the single crystal XRD patterns reveal the dominant {111} lattice planes parallel to the sample surfaces. A wider range of lower resistivity values (106–109 Ωcm) was obtained from the I-V measurements compared to the 1.55 × 109–6.65 × 1010 Ωcm values from the van der Pauw method, which is typically higher for the Ag than for the carbon paint electrodes. Charge-carrier mobility values estimated from the SCLC method for the carbon paint-Cs2AgBiBr6 (1.90–4.82 cm2V−1 s−1) and the Ag-Cs2AgBiBr6 (0.58–4.54 cm2V−1 s−1) including the density of trap states (109–1010 cm−3) are comparable. Similar values of 1.89 cm2V−1 s−1 and 2.36 cm2V−1 s−1 are derived from the Hall effect measurements for a sample with carbon and Ag electrodes, respectively. The key electrical parameters including the X-ray photoresponse measurements indicate that the Cs2AgBiBr6 samples synthesized in this study satisfy requirements for radiation sensors. Graphical abstract


Author(s):  
Takeshi Yajima ◽  
Kanako Takahashi ◽  
Hotaka Nakajima ◽  
Takashi Honda ◽  
Kazutaka Ikeda ◽  
...  

2022 ◽  
Vol 91 (1) ◽  
Author(s):  
Hiroto Arima ◽  
Yoshiaki Oshita ◽  
Daigorou Hirai ◽  
Zenji Hiroi ◽  
Kazuyuki Matsubayashi

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