自旋弛豫
- 网络spin relaxation;spin-spin relaxation
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在p型材料的研究中,我们也预言了空穴自旋弛豫时间丰富的非单调温度、浓度依赖关系。
In the p-type case , we also predict rich nonmonotonic features in the temperature and density dependences of the hole spin relaxation time , which result from the variation of the hole-impurity and hole-phonon scattering strength .
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HfV2Hx中扩散导致的~1H核自旋弛豫近邻无规行步处理
~ 1h nuclear spin relaxation caused by diffusion in hfv_2 · h_x the model of random walk to nearest neighbor sites
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用1HNMR谱和质子自旋弛豫时间研究了γ射线辐射引发的α-甲基丙烯酸的聚合反应、其聚合转化率和聚合物链运动与吸收剂量和剂量率的关系。
The polymerization conversion and segment motion of α - methacrylic acid were studied using 1H NMR spectra , spin-lattice relaxation time and spin-spin relaxation time .
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激光极化~(129)Xe核自旋弛豫率的测量
Measurement of the nuclear spin relaxation rate of the laser - polarized ~ ( 129 ) xe gas
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半导体量子阱中电子自旋弛豫和动量弛豫
Electron spin relaxation and momentum relaxation in semiconductor quantum wells
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InAs/GaAs单量子点中电子/空穴自旋弛豫
Electron-and Hole-spin Relaxations in InAs / GaAs Single Quantum Dots
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含水原油核磁自旋弛豫数据的二维频域分析
Two-dimensional frequency-domain analysis of nuclear spin relaxation data for water containing crude oil
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谱形表明有明显的电子自旋弛豫效应存在,类似高铁血红素的结果。
The Mossbauer spectra similar to that of ferric hemin show the electron spin-spin relaxation process .
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半导体中的自旋弛豫&从体材料到量子阱、量子线、量子点
Spin relaxation in semiconductors : from bulk materials to quantum wells , quantum wires , quantum dots
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进一步,我们仔细讨论了不同温度、浓度下的空穴自旋弛豫时间。
Further , we explicitly discuss the temperature and density dependences of the hole spin relaxation time .
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我们发现这两种统计下的自旋弛豫时间几乎没有差别,并且自旋极化方向表现出很强的各向异性。
We show that there is only marginal difference between the spin relaxation times obtained from these two different statistics .
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我们发现随着温度降低,空穴的自旋弛豫时间可能延长一个量级以上。
We find that the hole spin relaxation time can be extended by one order of magnitude as the temperature decreases .
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同时,随着两卟啉环的距离增大,电子自旋弛豫时间变长,证实了双铁卟啉络合物的形成。
The relaxation time increases with distance between two porphyrin rings and the results provide an evidence of formation of the complex .
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同时详细研究了自旋弛豫时间对磁场、量子点半径、量子阱的阱宽以及温度的依赖关系。
Different effects such as the magnetic field , dot size , and the temperature on the spin-relaxation time are investigated in detail .
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紧接着我们回顾了导致自旋弛豫的各种机制以及理论上的处理方法。对于简单的两能级系统,可以使用费米黄金规则和运动方程计算自旋弛豫/去相位时间。
All the spin relaxation mechanisms and the theoretical approaches are reviewed : For the two-level system , the relaxation time can be calculated directly by the Fermi golden rule or the time evolution of the equation of motion .
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对于不同材料中的各种弛豫机制,关注的重点在于如何能够在实验上以一种可以控制的方式来改变可调参数从而达到控制自旋弛豫过程。
Among all kinds of spin relaxation processes in many different materials , the key problem is how to change the parameters , such as electric field , magnetic field , temperature , strain , effective g parameter and so on , to control spin relaxation in a controllable way .
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N-正丁基苯胺的~(13)C自旋晶格弛豫研究
The investigation of ~ ( 13 ) c spin - lattice relaxation of n-butyl aniline
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分子的完全不对称旋转和甲基内旋转可待因~(13)C核自旋晶格弛豫
Fully Anisotropic Overall Molecular Tumbling with Group Internal Rotation - ~ ( 13 ) C Spin-Lattice Relaxation Study of Codeine
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丙烯酰胺-丙烯酸交联共聚凝胶结构与分子运动的~1HNMR自旋晶格弛豫研究
~ 1h NMR spin-lattice relaxation studies on the structure and dynamics of aam-aac copolymer hydrogels
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YBa2Cu3O7中Cu的NQR自旋晶格弛豫研究
The Studies of NQR Spin Lattice Relaxation of Cu in Y Ba_2Cu_3O_7
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固体氨基酸中甲基碳自旋晶格弛豫的瞬态NOE效应
Transient NOE Effect of ~ ( 13 ) C Methyl Spin-Lattice Relaxation of Amino Acids in Solids
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通过1D1HNMR,13cNMR和1H自旋晶格弛豫时间T1对氟喹诺酮类抗菌药物与过渡金属离子Cr3+,Mn2+和Fe3+形成配合物的位置进行了研究,合成了固体配合物,对其进行了元素分析。
By measuring 1H and 13 C NMR signals and 1H spin lattice relaxation time T 1 , we have studied the complexes formed between fluoroquinolone antimicrobials and metal ions Cr 3 + , Mn 2 + and Fe 3 + .
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未掺杂聚乙炔中质子的自旋晶格弛豫&局域化的孤子
The proton spin-lattice relaxation in undoped polyacetylene & localized solitons
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含铁磁颗粒的颗粒膜自旋激发弛豫研究
The spin excitation delay for granular films with ferromagnetic granules
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用强迫恢复法测量原子核自旋晶格弛豫时间T1
The Measurement of Nuclear Spin-lattice Relaxation Time T_1 Using Driven Recovery Method
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质子射频场照射对碳-13自旋晶格弛豫的影响
The Effect of  ̄ 1H RF Irradiation on  ̄( 13 ) CSpin-Lattice Relaxation
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椭圆偏振泵浦-探测光谱及其用于电子自旋偏振弛豫研究
Elliptically Polarized Pump - Probe Spectroscopy and Its Application to Studies of Electronic Spin Relaxation
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掺杂的高温超导体的自旋晶格弛豫率
Spin-lattice relaxation in doped high-t_c superconductors
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磁化矢量的增长服从单指数规律,自旋晶格弛豫主要由于磁偶极相互作用。
The machenism of spin lattice relaxation was mainly due to the magnetic dipole dipole interaction .
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核自旋晶格弛豫率以及奈特位移的实验结果显示,超导态的电子配对是d波单态配对.d波能隙函数里存在节点,使得准粒子从涡线中心漏到涡线外面。
The temperature dependence of the spin-lattice relaxation rate and the Knight shift indicate d-wave pairing , which brings about the extended quasiparticle states outside the vortex cores .