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1994 1
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1998 1
1999 3
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2001 1
2002 4
2003 5
2004 4
2005 9
2006 5
2007 9
2008 12
2009 15
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2012 43
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1,470 results

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Page 1
Suppression of black-hole growth by strong outflows at redshifts 5.8-6.6.
Bischetti M, Feruglio C, D'Odorico V, Arav N, Bañados E, Becker G, Bosman SEI, Carniani S, Cristiani S, Cupani G, Davies R, Eilers AC, Farina EP, Ferrara A, Maiolino R, Mazzucchelli C, Mesinger A, Meyer RA, Onoue M, Piconcelli E, Ryan-Weber E, Schindler JT, Wang F, Yang J, Zhu Y, Fiore F. Bischetti M, et al. Nature. 2022 May;605(7909):244-247. doi: 10.1038/s41586-022-04608-1. Epub 2022 May 11. Nature. 2022. PMID: 35546195 Free article.
How these black holes formed in such a short time is the subject of debate, particularly as they lie above the correlation between black-hole mass and galaxy dynamical mass(2,3) in the local Universe. What slowed down black-hole growth, leading towards the symbiotic …
How these black holes formed in such a short time is the subject of debate, particularly as they lie above the correlation between black- …
Spatiotemporally Coupled Electron-Hole Dynamics in Two Dimensional Heterostructures.
Zhou H, Sun C, Xin W, Li Y, Chen Y, Zhu H. Zhou H, et al. Nano Lett. 2022 Mar 23;22(6):2547-2553. doi: 10.1021/acs.nanolett.2c00479. Epub 2022 Mar 14. Nano Lett. 2022. PMID: 35285224
Herein, using ultrafast spectroscopy, we report real space coupled electron-hole dynamics in 2D heterostructures. We show in (WSe(2)/)WS(2)/MoTe(2) with a controlled energy gradient for the hole and a near flat band for electron transfer, the fate of the electron is …
Herein, using ultrafast spectroscopy, we report real space coupled electron-hole dynamics in 2D heterostructures. We show in (WSe(2)/ …
Vitreoretinal Abnormalities during Macular Hole Repair in Alport Syndrome.
Zhou B, Heisel CJ, Zhu I, Gill MK. Zhou B, et al. Retin Cases Brief Rep. 2023 Oct 9. doi: 10.1097/ICB.0000000000001498. Online ahead of print. Retin Cases Brief Rep. 2023. PMID: 37824782
PURPOSE: To describe abnormal vitreoretinal findings during macular hole repair in Alport syndrome (AS). METHODS: Case report of preoperative, intraoperative, and postoperative findings related to macular hole surgery in a patient with AS. ...Vitrectomy was performe …
PURPOSE: To describe abnormal vitreoretinal findings during macular hole repair in Alport syndrome (AS). METHODS: Case report of preo …
Correlated electron-hole state in twisted double-bilayer graphene.
Rickhaus P, de Vries FK, Zhu J, Portoles E, Zheng G, Masseroni M, Kurzmann A, Taniguchi T, Watanabe K, MacDonald AH, Ihn T, Ensslin K. Rickhaus P, et al. Science. 2021 Sep 10;373(6560):1257-1260. doi: 10.1126/science.abc3534. Epub 2021 Sep 9. Science. 2021. PMID: 34516786
We use this property to generate an energetic overlap between narrow isolated electron and hole bands with good nesting properties. Our measurements reveal the formation of ordered states with reconstructed Fermi surfaces, consistent with a density-wave state. This state c …
We use this property to generate an energetic overlap between narrow isolated electron and hole bands with good nesting properties. O …
Recent advances in developing high-performance organic hole transporting materials for inverted perovskite solar cells.
Sun X, Zhu Z, Li Z. Sun X, et al. Front Optoelectron. 2022 Nov 17;15(1):46. doi: 10.1007/s12200-022-00050-3. Front Optoelectron. 2022. PMID: 36637605 Free PMC article. Review.
Inverted perovskite solar cells (PVSCs) have recently made exciting progress, showing high power conversion efficiencies (PCEs) of 25% in single-junction devices and 30.5% in silicon/perovskite tandem devices. The hole transporting material (HTM) in an inverted PVSC plays …
Inverted perovskite solar cells (PVSCs) have recently made exciting progress, showing high power conversion efficiencies (PCEs) of 25% in si …
Efficacy analysis of neuroendoscopy-assisted burr-hole evacuation for chronic subdural hematoma: a systematic review and meta-analysis.
Wu L, Guo X, Ou Y, Yu X, Zhu B, Yang C, Liu W. Wu L, et al. Neurosurg Rev. 2023 Apr 28;46(1):98. doi: 10.1007/s10143-023-02007-2. Neurosurg Rev. 2023. PMID: 37115314 Review.
The purpose of this study was to compare neuroendoscopy-assisted burr-hole evacuation with conventional burr-hole evacuation in the treatment of chronic subdural hematoma (CSDH), and to evaluate the curative effect of neuroendoscopy. ...It should be noted that the c …
The purpose of this study was to compare neuroendoscopy-assisted burr-hole evacuation with conventional burr-hole evacuation i …
Black Hole Sign Predicts Poor Outcome in Patients with Intracerebral Hemorrhage.
Li Q, Yang WS, Chen SL, Lv FR, Lv FJ, Hu X, Zhu D, Cao D, Wang XC, Li R, Yuan L, Qin XY, Xie P. Li Q, et al. Cerebrovasc Dis. 2018;45(1-2):48-53. doi: 10.1159/000486163. Epub 2018 Jan 10. Cerebrovasc Dis. 2018. PMID: 29402824
Black hole sign was identified in 32 of 225 (14.2%) patients on admission CT scan. ...CONCLUSIONS: The CT black hole sign independently predicts poor outcome in patients with ICH. ...
Black hole sign was identified in 32 of 225 (14.2%) patients on admission CT scan. ...CONCLUSIONS: The CT black hole sign inde …
How Hole Injection Accelerates Both Ion Migration and Nonradiative Recombination in Metal Halide Perovskites.
Tong CJ, Cai X, Zhu AY, Liu LM, Prezhdo OV. Tong CJ, et al. J Am Chem Soc. 2022 Apr 13;144(14):6604-6612. doi: 10.1021/jacs.2c02148. Epub 2022 Apr 1. J Am Chem Soc. 2022. PMID: 35362968
Ion migration, hole trapping, and electron-hole recombination are common processes in metal halide perovskites. ...The synergy stems from the soft perovskite lattice and response of the valence band maximum to the Pb-I lattice distortion induced by the hole. …
Ion migration, hole trapping, and electron-hole recombination are common processes in metal halide perovskites. ...The synergy …
Hot carrier dynamics in MoS2/WS2heterostructure.
Zhu L, Song Z, Li R, Zhu H. Zhu L, et al. Nanotechnology. 2022 Feb 15;33(19). doi: 10.1088/1361-6528/ac4e41. Nanotechnology. 2022. PMID: 35073521
Here, the carrier dynamics of hot carriers in MoS(2)/WS(2)heterostructure is investigated by transient absorption spectra. Rapid separation of electron and hole is observed. More importantly, hot carriers of C exciton, which contribute to the absorption of most of the visi …
Here, the carrier dynamics of hot carriers in MoS(2)/WS(2)heterostructure is investigated by transient absorption spectra. Rapid separation …
High-efficiency square-hole single-mode waveguide photon sieves for THz waves.
Cheng C, Cao Q, Bai L, Li C, Zhu J, Chen W, Mao Y. Cheng C, et al. Appl Opt. 2023 Apr 1;62(10):2403-2409. doi: 10.1364/AO.482840. Appl Opt. 2023. PMID: 37132787
To overcome the above drawbacks, we propose a kind of photon sieve working in the terahertz band. In a metal square-hole waveguide, the effective index is determined by the side length of the pinhole. ...
To overcome the above drawbacks, we propose a kind of photon sieve working in the terahertz band. In a metal square-hole waveguide, t …
1,470 results