畴壁
- domain wall;domain boundary
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随软磁相厚度的增大,矫顽力机制从成核变为钉扎;但当界面交换耦合作用较弱时,畴壁中心最终钉扎在两相界面处而没进入硬磁相内部。
As the soft layer increases , the coercivity mechanism transforms from nucleation to pinning . But when the strength of interface exchange coupling is weak , the center of domain wall pins the hard / soft interface rather than in the hard layer .
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各向异性超精细相互作用及畴壁位移激发造成了FeⅡ的奇异核磁共振线形。
The peculiar line shape of nuclear magnetic resonance of Fe ⅱ arises from the anisotropic hyperfine interactions and the domain wall excitation .
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NixZn(1-x)Fe2O4铁氧体畴壁运动阻力函数的研究
The Resistance Function Research of Domain Wall Motion in Ni_xZn_1-x Fe_2O_4 Ferrite
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PZT陶瓷中由氧空位与畴壁相互作用引起的内耗
Internal friction due to the interaction between oxygen vacancies and domain boundaries in PZT ceramics
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在不可逆畴壁移动过程中,当H为4.2mT时,χ〃(H)达到最大值χmax;
When the domain wall motion is nonreversible , the χ″( H ) is the largest value χ max when the H is 4.2 mT.
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二次磁电耦合效应和DM相互作用对六角锰氧化物畴壁的影响。
Effect of the quadratic magnetoelectric coupling and Dzyaloshinski-Moriya ( DM ) interaction on domain walls in hexagonal manganites .
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Dy(Fe(1-x)Gax)2中畴壁的内禀钉扎和宏观量子隧道效应
Macroscopic quantum tunneling of the magnetization and intrinsic pinning of domain walls in dy ( fe_ ( 1-x ) ga_x ) _2 compounds
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直流偏场(Hb)和面内场(H(ip))都是影响硬磁畴畴壁中VBLs稳定性的重要因素。
The static bias field ( H_b ) and in-plane field ( Hjp ), two important factors , will affect the vertical-Bloch-lines in hard domain .
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Nd2(Fe(1-x)Mnx)(14)B的磁化和反磁化行为可用窄畴壁的特征来解释。
The magnetization and demagnetization behaviors in Nd_2 ( Fe_ ( 1-x ) Mn_x ) _ ( 14 ) B can be understood in terms of narrow domain walls .
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讨论了Z相,带状组织和晶界析出相对畴壁的作用,探讨了在高Hc状态下非均匀钉扎的机构。
The action of " Z " phase , zonal structure and grain boundary precipitates on domain walls are discussed and a machanism of heterogeneous pinning at the high coercivity is suggested .
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表明Nd-Fe-B烧结磁体的磁硬化主要被畴壁钉扎所控制。
Note that the magnetic hardening in sintered Nd-Fe-B based magnets is controlled by pinning of domain walls .
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不同温度下Nd2Fe(14)B永磁体畴壁中磁矩的转向公式
Rotational Formulas of the Magnetic Moment in the Domain Walls of Nd_2Fe_ ( 14 ) B Permanent Magnet at Different Temperatures
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温度对普通硬磁泡畴壁中VBL链的影响
Influence of Temperature on VBLs in the Walls of Ordinary Hard Bubble
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硬磁畴畴壁中垂直布洛赫线的形成及其稳定性的研究,对布洛赫线存储器(BLM)的研制与使用具有重要意义。
The formation and stability of VBLs in the hard domains is very important to design and use ofBLM .
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LiNbO3晶体中的一个新现象&推测LiNbO3晶体中存在90°畴壁
A new phenomenon in linbo_3 crystal & conjecturing the existence of 90 ° domain wall in linbo_3 crystal
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面内场对处于直流偏磁场压缩状态下的IID畴壁中布洛赫线链的影响
Influence of Inplane Field on Bloch Line Chains in the Wall of IID Compressed by Static Bias Field
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直流偏场和面内场联合作用下第Ⅰ类哑铃畴壁内VBLs的稳定性
Stability of First Kind of Dumbbell Domains Subjected to an In-plane Field at Different Bias Fields
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温度和面内场都是影响硬磁畴畴壁中VBLs稳定性的重要因素。
The temperature and in-plane field , the two important factors , will affect the vertical-Bloch-lines in hard domains .
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另外,为了更加准确地测定OHB畴壁中的VBL软化的临界面内场范围,本文对经过筛选的OHB在H(ip)作用下其畴壁中VBL的消失规律给予了研究。
In addition , in the paper we also studied the annihilation of ordinary hard bubbles ( OHB ) by screening in order to measure accurately the critical in-plane field range .
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我们证明自旋轨道耦合将两分量玻色-爱因斯坦凝聚体的基态相位差锁定在±π-2,从而打破了自旋沿x-y平面的旋转对称性,将自旋畴壁的类型限定在了布洛赫壁。
We demonstrate that the spin-orbit coupling locks the relative phase of the two-component condensates at ±π / 2 , thus breaks the spin rotational symmetry in the x-y plane and restricts the type of the domain wall to Bloch wall .
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当Cu中间层厚度大于3nm时,铁磁层之间的耦合作用减弱,纳米多层膜为面内易磁化,磁泡结构的磁畴消失,全部为具有波纹状的接近180°畴壁的磁畴结构。
When the thickness of Cu intermediate layer is more than 3 nm , the magnetic bubbles vanish and ripple magnetic domain structure with 180 ° domain wall can be observed , due to the weakening ferromagnetic coupling effect between Co layers .
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在聚丁二炔链上,当出现从PDB相向PDA相转变时,会出现一个畴壁和反畴壁,这个相变的出现主要是由于π电子重新分布的结果。
A domain wall ( soliton ) or an anti - domain wall will be formed when transition occuring from PDB to PDA , or from PDA to PDB , and these transitions are mainly , due to the behavior of π & electrons .
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霍素国等人研究了温度和面内场共同对三类硬磁畴畴壁中含VBLs较少的普通硬磁泡(OHBs)的影响,发现了一些有价值的规律。
Have investigated the ordinary hard bubbles ( OHBs ) are subjected to joint temperature and in-plane field and find some important rules of the annihilation of the VBLs .
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结果表明,主相晶粒表面软磁性区成核及从表面向晶粒内部不可逆畴壁位移对Nd-Fe-B合金的矫顽力起决定性作用。
The results indicate that the nucleation in the soft magnetization regions located at the surface of hard magnetic grains , as well as the irreversible domain wall displacement from the surface to the inside of grains are the dominant factors controlling the intrinsic coercivity of Nd-Fe-B alloy .
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晶粒尺寸增加,畴壁尺寸增大,介电弛豫向低频移动;
Mobile Middleware Relaxation frequencies increase with decrease of grain size .
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这使得畴壁厚度变窄。
That results in a decrease of the thickness of domain walls .
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薄膜畴壁自旋波耦合栅格设计
Design for Spin Wave Coupling in Domain Walls of Magnetic Thin Film
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消除宇宙真空畴壁的一个可能的模型
A Possible model for Exclusion of Cosmic Vacuum Domain Wall
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三类硬磁畴畴壁结构分析
Analysis of the Domain Wall Structrues of the Three Kinds of Hard Domain
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微型磁阻元件中磁畴活动和畴壁态极性转变的研究
A Study on Domain Activities and Wall State Transitions in Small MR Elements