Nuclear magnetic resonance in ultra high magnetic fields: Recent applications to quantum spin systems [0.03%]
极强磁场下的核磁共振及其在量子自旋系统中的应用
Raivo Stern,Rong Cong,Ivo Heinmaa et al.
Raivo Stern et al.
In this review, we present recent applications of nuclear magnetic resonance (NMR) for probing, at the microscopic level, new quantum states of condensed matter that emerge in strong static and pulsed magnetic fields. We focus on experiment...
High field 25Mg NMR spectroscopy of silicate crystals and glasses up to 35.2 T: Establishment of chemical shift scale and Mg-O coordination environments [0.03%]
高达35.2T的硅酸盐晶体和玻璃的高场25MgNMR光谱：化学位移尺度和Mg-O配位环境的建立
Shih-Yi Chuang,Ivan Hung,Zhehong Gan et al.
Shih-Yi Chuang et al.
In this study, we have established an empirical 25Mg chemical shift scale for silicates based on experimentally determined isotropic shift δiso values for Mg sites in crystalline compounds spanning coordination numbers from four to eight. ...
Ultra-wideline dipolar NMR spectroscopy: Combining SEDOR and WURST-CPMG [0.03%]
超宽线双极NMR光谱法：SEDO和WURST-CPMG的结合
Felix Palzer,Florian Schreiner,Ulrich Rehfuß et al.
Felix Palzer et al.
A method to obtain magnetic dipole-dipole coupling information for nuclei exhibiting ultra-wideline NMR spectra in disordered solids is presented. This is achieved via a constant time version of SEDOR (Spin Echo DOuble Resonance) employing ...
Progression of organic and inorganic matter in cold seep rocks during anaerobic oxidation of methane studied by solid-state NMR [0.03%]
固态核磁共振研究无机和有机物质在甲烷厌氧氧化冷泉岩中的演化过程
Yan Shi,Peter Schroedl,Jeffrey Marlow et al.
Yan Shi et al.
Methane is a greenhouse gas with a large global warming potential that enters the marine system from seafloor methane seeps. The anaerobic oxidation of methane (AOM) in submarine areas is crucial to the dynamic equilibrium of the ocean carb...
13C solid-state NMR chemical shift reproducibility across spectrometers [0.03%]
13C固态核磁共振化学位移在不同谱仪间的重复性
Erika Bartůňková,Jan Blahut,Renée Siegel et al.
Erika Bartůňková et al.
Precise 13C NMR chemical shifts were measured for a set of reference compounds on five solid-state NMR instruments to evaluate reproducibility across different field strengths (300-1000 MHz), MAS spinning rates and spectrometer manufacturer...
Bicarbonate vs carbonate speciation in frozen solutions studied by low-temperature 13C solid-state NMR [0.03%]
低温固态碳十三核磁共振研究冰点溶液中的碳酸氢根和碳酸根的分光式
Trevys Chanal,Ieva Goldberga,Samuel F Cousin et al.
Trevys Chanal et al.
Solid-state NMR faces limitations for liquid sample analysis due to the incompatibility with the magic angle spinning (MAS) method used for averaging anisotropic interactions. In this work, we introduce a simple approach to study frozen aqu...
Sophia E Hayes,Jeffrey A Reimer
Sophia E Hayes
Experimental and computational 11B NMR comparative study of MOVPE-grown rhombohedral and bulk hexagonal boron nitride [0.03%]
用于研究MOVPE生长的六方氮化硼和菱方氮化硼的实验与计算11B核磁共振比较研究
Magdalena Grochowska-Tatarczak,Piotr Tatarczak,Aleksandra K Dąbrowska et al.
Magdalena Grochowska-Tatarczak et al.
Layered boron nitride (BN) is a two-dimensional (2D) insulator that exhibits several polytypes, which differ in the stacking sequence of adjacent atomic planes. The relative shift and rotation of subsequent planes modify the crystal symmetr...
Determination of 137Ba nuclear quadrupole interactions in solids: a comparison of high field and zero field approaches [0.03%]
固态中测定137Ba核四极相互作用的高低场方法比较研究
Timothy J Bastow,Anita J Hill,Aaron Seeber et al.
Timothy J Bastow et al.
137Ba nuclear quadrupole interactions (NQI) are measured in zero field using nuclear quadrupole resonance (NQR) for a series of compounds, (BaBr2.2H2O, BaCl2.2H2O, BaSO4, BaMoO4, BaCO3) where values of the quadrupole interaction have previo...
Probing interlayer bromide in solvent intercalation of layered yttrium hydroxide via 79/81Br SSNMR spectroscopy [0.03%]
利用79/81Br固体状态核磁共振光谱探测层状氢氧化钇中溶剂插层的层间溴
Shijia Jiang,Yanxin Liu,Wanli Zhang et al.
Shijia Jiang et al.
Layered metal hydroxides can be exfoliated into functional nanosheets via solvent intercalation, yet probing the atomic-level solvation processes remains challenging. Herein, we employ 79/81Br solid-state nuclear magnetic resonance (SSNMR) ...