Zobrazeno 1 - 10
of 361
pro vyhledávání: '"Zhehong Gan"'
Publikováno v:
Journal of Non-Crystalline Solids: X, Vol 18, Iss , Pp 100175- (2023)
The oxygen speciation in (Na2O)x(GeO2)100-x glasses with 4 ≤ x ≤ 28 is studied using high-resolution 17O NMR spectroscopy at ultra-high field (35.2 T). The structure of glasses with x ≤ 18 consists of oxygen atoms bridging either two four-coord
Externí odkaz:
https://doaj.org/article/1e06d7b6330c406687cf87963adcf687
Autor:
Zhehong Gan, Ivan Hung
Publikováno v:
Magnetic Resonance Letters, Vol 2, Iss 1, Pp 1-8 (2022)
NMR spectra acquired with experiments using frequency-sweeps such as the wide-band uniform-rate smooth truncation (WURST) spin-echo and Carr-Purcell-Meiboom-Gill (CPMG) sequences cannot be absorptively phased by using only conventional zeroth- and fi
Externí odkaz:
https://doaj.org/article/263c2681b51c4c8dbb93b2183c82a7c8
Autor:
Jia-Huan Du, Lu Chen, Bing Zhang, Kuizhi Chen, Meng Wang, Yang Wang, Ivan Hung, Zhehong Gan, Xin-Ping Wu, Xue-Qing Gong, Luming Peng
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-6 (2022)
The characterization of the surface structure and binding sites of materials is crucial for designing advanced materials for adsorption processes. Here, the authors use 17O solid-state nuclear magnetic resonance spectroscopy to identify specific CO2
Externí odkaz:
https://doaj.org/article/2dc580fcea5248a2a9f390604b230a24
Autor:
Qiang Wang, Wenzheng Li, Ivan Hung, Frederic Mentink-Vigier, Xiaoling Wang, Guodong Qi, Xiang Wang, Zhehong Gan, Jun Xu, Feng Deng
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
γ-Al2O3 is widely used in catalytic processes, but understanding its detailed structure remains a challenge. The authors, using two-dimensional solid-state NMR spectroscopy at a high magnetic field, characterize the spatial proximity and connectivit
Externí odkaz:
https://doaj.org/article/d6e40ffe051f44d7bc1aae98e56447f8
Publikováno v:
Minerals, Vol 12, Iss 11, p 1375 (2022)
The physical explanations and understanding of the order–disorder phenomena in the solid state are commonly inferred from the experimental capabilities of the characterization techniques. Periodicity is recorded according to the averaging procedure
Externí odkaz:
https://doaj.org/article/5e122f30ff6b4c7481d0746bf5000e37
Publikováno v:
Frontiers in Molecular Biosciences, Vol 8 (2021)
Accurate distance measurements between proton and nitrogen can provide detailed information on the structures and dynamics of various molecules. The combination of broadband phase-modulated (PM) pulse and rotational-echo saturation-pulse double-reson
Externí odkaz:
https://doaj.org/article/3eab49e3f419444ea72192e797101842
Autor:
Corti, Lucia, Hung, Ivan, Venkatesh, Amrit, Gor'kov, Peter L., Zhehong Gan, Claridge, John B., Rosseinsky, Matthew J., Blanc, Frédéric
Publikováno v:
ChemPhysChem; 4/16/2024, Vol. 25 Issue 8, p1-7, 7p
Autor:
Molly Wagner, Roberta Pigliapochi, Valeria Di Tullio, Jaclyn Catalano, Nicholas Zumbulyadis, Silvia A. Centeno, Xiaoling Wang, Kuizhi Chen, Ivan Hung, Zhehong Gan, Michael R. Dworzak, Glenn P. A. Yap, Cecil Dybowski
Publikováno v:
Dalton Transactions. 52:6152-6165
A series of medium- and long-chain zinc carboxylates was analyzed by ultra-high-field 67Zn NMR, 13C NMR and FTIR spectroscopy. Novel crystal structures for three of these carboxylates are also reported.
Autor:
Wanli Zhang, Alia Hassan, Jochem Struppe, Martine Monette, Ivan Hung, Zhehong Gan, Vinicius Martins, Victor Terskikh, Yining Huang
Publikováno v:
Chemical Communications. 59:5205-5208
Combining a cryogenic MAS probe and high magnetic field results in remarkable signal enhancement, permitting MOF characterization by 67Zn 3QMAS NMR at natural abundance.
Autor:
Kuizhi Chen, Anya Zornes, Vy Nguyen, Bin Wang, Zhehong Gan, Steven P. Crossley, Jeffery L. White
Publikováno v:
Journal of the American Chemical Society. 144:16916-16929