搜索结果: 1-9 共查到“凝聚态物理学 NMR”相关记录9条 . 查询时间(0.059 秒)
近日，中国科学院合肥物质科学研究院强磁场科学中心研究员张钠课题组首次运用核磁共振（NMR）技术解析由端粒DNA序列d(G2T4G4T4G4)与短链d(TG4A)探针形成的分子间V-形G-四链体复合物结构，发现新型短链DNA探针能够特异性识别包含V-shape关键碱基序列的端粒DNA，具有潜在抗癌前景。该研究成果在线发表于国际期刊Nucleic Acids Research（doi:10.1093/...
Technique Makes Nmr More Useful For Nanomaterials,Exotic Matter Research（图）
Technique Makes Nmr Nanomaterials Exotic Matter Research
2018/1/10
Nuclear magnetic resonance (NMR) is a powerful scientific tool used in medical imaging and in probing the chemical structure of molecules and compounds. New research from Brown University shows a tech...
^{75}As NMR study of the growth of paramagnetic-metal domains due to electron doping near the superconducting phase in LaFeAsO_{1-x}F_{x}
paramagnetic-metal domains electron doping superconducting phase LaFeAsO_{1-x}F_{x}
2012/2/27
We studied the electric and magnetic behavior near the phase boundary between antiferromagnetic (AF) and superconducting (SC) phases for a prototype of high-T_c pnictides LaFeAsO_{1-x}F_{x} by using n...
Anisotropic spin fluctuations and superconductivity in "115'' heavy fermion compounds: 59Co NMR study in PuCoGa5
StoAnisotropic spin fluctuations superconductivity NMR study in PuCoGa5
2010/11/24
We report results of 59Co nuclear magnetic resonance measurements on a single crystal of super-
conducting PuCoGa5 in its normal state. The nuclear spin-lattice relaxation rates and the Knight shifts...
Magnetic order, metamagnetic transitions, and low-temperature spin freezing in Ca2Co2O6: an NMR study
Magnetic order metamagnetic transitions low-temperature spin
2010/11/18
We report on a 59Co NMR investigation of the trigonal cobaltate Ca3Co2O6 carried out on a single crystal, providing precise determinations of the electric field gradient and chemical shift tensors, an...
Crossover from commensurate to incommensurate antiferromagnetism in stoichiometric NaFeAs revealed by single-crystal 23Na,75As-NMR experiments
NaFeAs NMR incommensurate antiferromagnetism 111-type iron arsenide
2010/11/18
We report results of 23Na and 75As nuclear magnetic resonance (NMR) experiments on a
self-flux grown high-quality single crystal of stoichiometric NaFeAs. The NMR spectra revealed
a tetragonal to tw...
Storage of quantum coherences as phase labeled local polarization using magnetic field gradients in NMR
Storage of quantum coherences phase labeled local polarization magnetic field gradients
2010/10/18
Long decay times were previously observed in samples such as 29Si, C60,Y2O3 by applying multi-
pulse nuclear magnetic resonance sequences to measure decoherence times. They are originated in
stimula...
(NH3CH2CHNH2CH3)2[WVIO2(OC6H4O)2]的合成、晶体结构及其与ATP相互作用的NMR性质研究
钨氧转移酶活性结构因子仿生配合物 晶体结构 ATP 1H NMR
2009/10/15
在室温下, 选用具有手性特征的1,2-丙二胺(1,2-propanediamine)为对阳离子, 由正四丁基铵十钨酸盐和邻苯二酚反应, 得到了钨酶活性结构因子仿生配合物(NH3CH2CHNH2CH3)2[WVIO2(OC6H4O)2], 用单晶X射线衍射测定了其晶体结构, 晶体属单斜晶系, 空间群为P21/n, a＝1.1099(3) nm, b＝1.0416(3) nm, c＝1.8874(6)...
87Rb NMR Relaxation and Vortex Dynamics in Rb3C60
87Rb NMR superconducting Vortex Dynamics
2010/4/15
87Rb NMR relaxation measurements in superconducting fullerene Rb3C60 for various values of the external field are reported. In the normal state the results are in agreement with T1T= Constant. Below T...