磁畴
- magnetic domain
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横向拉应力对晶粒取向Si-Fe的磁畴结构及磁声发射强度的影响
Effect of transverse drawing stress on magnetic domain structure and intensity of magnetic sound transmission of Oriened Si-Fe
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观察了晶粒取向3%Si-Fe在横向磁化场及横向拉应力作用下,磁畴结构和磁声发射强度的变化。
Changes are observed of oriented 3 % Si-Fe in the magnetic domain structure and intensity of magnetic sound transmission under the influence of the transverse magnetic field and transverse drawing stress .
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用作者假设的样品磁畴结构突变压力点对λ-p曲线作了解释。
The author explains it with a hypothetical stress point of the sudden change of domain structure . pressure ;
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改进型Fe3O4磁流体的研制及带膜磁畴观察
Preparation and application of the modified fe_3o_4 magnetic fluid
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阻尼系数对Gd(2.34)Tb(0.66)Fe5O(12)饱和磁场和磁畴结构的影响
The Effect of Damping Coefficient on the Saturated Magnetization Field and Configuration of Domain Structures
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单相Nd2Fe(14)B的热退磁及磁畴成核的随机性
Thermal demagnetization and randomness of domain nucleation of single phase nd _2fe_ ( 14 ) b
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Nd-Fe-B磁体的热分析及磁畴观察
Thermal analysis and domain observation of Nd-Fe-B magnet
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研究脉冲激光照射对镀有TiN陶瓷应力薄膜的硅钢片,细化磁畴、降低铁损的影响效应。
The effects on fining domain and reducing core loss of grain orientation silicon steel sheet with TiN coated by pulse laser irradiation are investigated .
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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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(NdPr)(16)Fe(76)B8永磁体的磁畴结构和有关的磁性能
Magnetic domain structures and related magnetic properties of ( ndpr ) _ ( 16 ) fe_ ( 76 ) b_8 permanent magnet
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不同的磁畴结构所产生的圆周各向异性的变化,最终导致了GMI效应的变化。
The changed magnetic domain structure of the circumference of anisotropy led to the GMI effect variation .
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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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微细条形NiFe薄膜元件在磁化和反磁化过程中磁畴结构的变迁过程
The Transition Process of Magnetic Domain Structures During Magnetization and Magnetization Reversal in Small NiFe Thin Film Stripe
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结果表明,纳米磁记录阵列膜里的每一根Co纳米线均为单畴结构,磁畴分布非常有序且与氧化铝微孔的形貌分布一一对应,畴的大小随磁力针尖离样品的高度不同略有变化;
The each Co nanowire represented a single domain structure . The distribution of domain was corresponded to its morphology properties . The size of domain changed a little with the flying height of the magnetic tip .
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介绍了磁力显微镜(MagneticForceMicroscopy,MFM)的原理、操作以及用于Nd-Fe-B合金磁畴观察的研究状况。
As an advantage technique , magnetic force microscopy ( MFM ) was introduced for the observation of magnetic domains , including its principles and applications in Nd Fe B permanent magnets .
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在900℃保温2h的热处理过程中,尽管有析出物析出,但回复和再结晶转变使组织的残余内应力降低,磁弹性能降低,磁畴的移动性增强,阻尼性能提高。
During the heat-treatment , the internal stress is reduced resulting from the recovery and recrystallization making magnetoelastic energy lower and magnetic domain mobility and damping capacity increase .
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非晶态Gd-Co薄膜的晶化过程和磁畴结构
Crystallization process and domain structure of amorphous Gd-Co thin films
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应用X射线衍射仪(X-Raydiffraction)、振动样品磁强计(VibratingSampleMagnetometer)和扫描探针显微镜(ScanningProbeMicroscope)测量了薄膜样品的微结构、磁特性和表面形貌与磁畴结构。
The microstructures were examined by X-ray diffraction ( XRD ) . Magnetic properties were measured by vibrating sample magnetometer ( VSM ) . And the morphologies and domain structures were observed by scanning probe microscope ( SPM ) .
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在硅钢片中,磁畴结构随拉应力的变化特性与产生的MAE有良好的对应性。
The variation of the magnetic domain walls structure under applied stress is found in good correspondence to MAE with varied tensile stress in 3 % Si-steels .
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非晶态Gd-Co合金薄膜结构、磁各向异性和磁畴的变化
Changes in structure , magnetic anisotropy and magnetic domain of amorphous Gd-Co alloy films
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本文研究了CoCr垂直磁化薄膜的磁畴随温度的变化。
This paper studies the magnetic domains of CoCr perpendicular magnetization films vary with temperature variation .
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借助磁力显微镜的抬高模式测量氧化皮的磁畴图,获得了氧化皮内Fe3O4的分布形态及冷却速率对其变化的影响.结果表明:快速冷却时氧化皮中Fe2O3的含量减少;
Ssbauer spectroscopy . The distribution of Fe_3O_4 in the oxide scale was obtained using Magnetic Force Microscope ( MFM ), through which the influence of the cooling rate on the distribution of Fe_3O_4 was stud - ied .
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本文观察了晶粒取向3%Si-Fe在外加拉应力和磁场作用下,磁畴壁的运动及声发射强度(MAE)变化的一些现象。
The motion of magnetic domain walls and the variation of MAE intensity in grain-oriented 3 % Si-steels acted on by applied tension and a magnetic field have been observed .
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利用玻璃包覆钴基非晶丝的磁畴模型,分析不同长度时玻璃包覆钴基非晶丝的磁化过程,合理解释了GMI效应随玻璃包覆钴基非晶丝长度增加而明显的现象。
Using domain model of glass-covered Co-rich amorphous wires , it can be explained by the magnetization process that the GMI becomes acutely with longer length .
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因此,发展和改进分析MFM图像的方法是有益于磁畴研究的。
Therefore , the development and improvement of the methods of analysis of MFM images is beneficial to the study of the magnetic domains .
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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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但是MFM并不能对磁畴结构进行直接测量,而是测量得到磁性探针和样品表面的磁荷的相关作用。
The MFM can not give the magnetic domain structure directly , but give the interaction between magnetic charges of the sample surface and magnetic probe .
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我们发现这项垂直自旋刚度会导致磁畴壁偏离理想的Neel结构而出现螺旋形结构。
We show that the vertical spin stiffness makes the domain wall violate the ideal Neel wall structure , resulting in a spiral feature .
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利用Bitter粉纹法观察了未经磁化、受力程度不同的无取向硅钢片和20钢试件的磁畴结构,对比分析了应力对磁畴的影响。
The magnetic domains of silicon steel sheet and 20 carbon steel samples , which have subjected to various loads , have been observed with the Bitter method , and the effects of stress on magnetic domains of the two steels were analyzed comparably .
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实验研究了直流偏场(Hb)下,面内场(Hip)对液相外延石榴石磁泡薄膜的硬磁畴壁中垂直布洛赫线(VBL)稳定性的影响。
The influence of in-plane field ( H ( 1 ) ip ) on stability of vertical Bloch lines ( VBLs ) in the walls of the hard domains at various bias fields ( Hb ) was studied .