grain structure and magnetism of nanocrystalline

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(PDF) Disordered Magnetism at the Grain Boundary of Pure

In high-energy ball-milled Fe,the thermally induced rearrangement of the grain boundaries was found to result in the formation of a magnetically ordered fcc phase,stable at room temperature [16] This constitutes a good example of the peculiarity of the interfaces atomic configuration in nanocrystalline materials compared to the stable,coarsegrained counterparts.In regards to pure Fe,the structuralAuthor Karel Zábranský12345NextAuthor Vladimir Tsepelev,Yuri N.Starodubtsev,Victor KonashkovPublish Year 2016An AFM investigation of the mesostructure of Fe-based The mesostructure at the cross section of the Fe-based nanocrystalline (Fe73.5Cu1Nb3Si13.5B9) ribbon was observed with atomic force microscopy (AFM).An apparent mesostructural difference was found between the sticking roller face area (SRFA) and the free face area (FFA) of the ribbon crystallized after annealing.In SRFA there is a preponderance of rough grain gathering in longitudinal Cited by 10Publish Year 2019Author Junling Hou,Qiang Li,Chuanbao Wu,Limei ZhengEstimated Reading Time 3 minsHerzer-slides1(img) - MagnetismGrain Size,D (nm) Magnetic A magneto-crystalline 1 04 fit with pc- -0.16,=1.3 nisotroples eReBo ex 1 03 magneto-elastic 1 02 annealing induced 'magnetic field annealin 10 amorphous Co-base 0 for nanocrystalline Fe-base

Cited by 1496Publish Year 1989Author G.HerzerMagnetic properties and grain structure of nanocrystalline

·Texture and magnetism of nanocrystalline Ni films and multilayers . C.R.M.Grovenor and D.A.Smith,Grain structure variation with temperature for. Structure and MagnetismCited by 156Publish Year 2010Author R S Vemuri,K Kamala Bharathi,S K Gullapalli,C V RamanaGiselher Herzer - Google ScholarGrain structure and magnetism of nanocrystalline ferromagnets.G Herzer.IEEE Transactions on Magnetics 25 (5),3327-3329,1989.1462 The effect of coherent uniaxial anisotropies on the grain-size dependence of coercivity in nanocrystalline soft magnetic alloys.K Suzuki,G Herzer,JM Cadogan.Cited by 1Publish Year 2017Author Raymond Kwesi Nutor,Xiaozhen Fan,Sensheng Ren,Ming Chen,Yunzhang FangMagnetism of rapidly quenched Sm1-xZrxCo5The effect of Zr addition on nanostructure and magnetic properties in nanocrystalline Sm 1-x Zr x Co 5 (x = 0-0.6) has been investigated.(Sm,Zr)Co 5 with the CaCu 5 structure was synthesized by melt spinning.The lattice parameters a and b decrease with x,whereas c increases.Cited by 22Publish Year 2010Author Nianduan Lu,Xiaoyan Song,Jiuxing ZhangInfluences of intergranular structure on the magnetic Dec 16,2015·interfacial amorphous phase with a densely packed structure had a positron lifetime of 155ps,while the interfacial grain boundary structure had a lifetime of more than 240ps.The loosely packed interfacial structure was proved to be harmful to the magnetic properties by becoming the nucleation center of the reversed domain.

Cited by 2Publish Year 2004Author Yunzhang Fang,Fengmin Wu,Fengmin Wu,Wenhui Wu,Jinju Zheng,Xiaohong Yang,Jianxiao Si,Huanjun SComposition Dependence of Structure and Magnetic

Composition Dependence of Structure and Magnetic Properties in Manganese Doped Nanocrystalline ZnO Particles Prepared by Co-Precipitation 248 The XRD spectra were further analysed by Rietveld technique.Evaluation of the lattice parameters a,c and the unit cell volume V as a function of Mn concentrations is shown in Figure 6.The calculated Cited by 3Publish Year 2015Author Panagiotis Poulopoulos,Athanasios Vlachos,Spiridon Grammatikopoulos,V.Karoutsos,P.S.Ioannou,NSOFT MAGNETIC NANOCRYSTALLINE -structure (grain size,stresses,inclusions,etc.Polycrystalline materials H C when D and H C ~ 1 grain structure and magnetism of nanocrystallineD Nanocrystalline materials H C when D and H C ~ D6 G.Herzer,Scripta Metall et Mater.,33 (1995) 1741-1756.European School of Magnetism,Cluj-Napoca,9-18 Sept.2007,3Cited by 3Publish Year 2016Author L Z Zhao,Y Hong,D L Jiao,Z G Qiu,Q Zhou,M Hussain,Z W Liu,J M Greneche,G Q ZhangStructural,optical and magnetic behaviour of May 06,2016·Nanocrystalline sample of Volborthite (Copper Pyrovanadate Cu{sub 3}V{sub 2} (OH){sub 2}O{sub 7}.2H{sub 2}O) has been synthesized using wet chemical route and characterized by XRD,SEM,FTIR,UV-Vis-NIR spectroscopic and magnetization measurements.Room temperature X-ray diffraction analysis Cited by 3Publish Year 2020Author Yao Ying,Huibin Wang,Jingwu Zheng,Jing Yu,Wangchang Li,Liang Qiao,Wei Cai,Shenglei CheEstimated Reading Time 11 mins(PDF) Disordered Magnetism at the Grain Boundary of Pure VOLUME 83,NUMBER 14 PHYSICAL REVIEW LETTERS 4 OCTOBER 1999 Disordered Magnetism at the Grain Boundary of Pure Nanocrystalline Iron E.Bonetti,1 L.Del Bianco,1,* D.Fiorani,2 D.Rinaldi,3 R.Caciuffo,3 and A.Hernando 4 1 Istituto Nazionale per la Fisica della Materia and Dipartimento di Fisica,Università di Bologna,I-40127 Bologna,Italy 2 Istituto di Chimica dei Materiali-CNR,C.P.10

Cited by 5Publish Year 2015Author Md.Khalid Hossain,Jannatul Ferdous,Md.Manjurul Haque,A.K.M.Abdul HakimMaterials Free Full-Text Atomic Simulations of Grain

Using the molecular dynamics method,the melting character,mechanical properties,microstructures,and strain deformation mechanisms of nanocrystalline CoCrFeNiMn high-entropy alloy are systematically investigated in the present work.The simulation results suggest that the melting point in CoCrFeNiMn high-entropy alloy decreases with the grain size,decreasing from 3.6 to 2.0 nm.Cited by 5Publish Year 2015Author Md.Khalid Hossain,Jannatul Ferdous,Md.Manjurul Haque,A.K.M.Abdul HakimResearch Progress of Stress-Induced Magnetic Anisotropy in The structure of magnetic materials can be divided into two parts; physical structure and magnetic structure [31] .The physical structure comprises of the grain size,grain boundaries,crystal structure,morphology,texture,volume fraction of each phase,surfaces,defects,inter-phase interfaces,etc.whilst the magnetic structure consists of magnetic-domain structure and recording pattern in Cited by 6Publish Year 2006Author Shashidhar Joshi,Soack Dae Yoon,Aria Yang,Nian X.Sun,Carmine Vittoria,Vincent G.Harris,RamasStructure and properties of nanocrystalline materialsStructure and properties of nanocrystalline materials 311 the tetrakaidecahedron with a thickness of A grain structure and magnetism of nanocrystalline2,the intercrystalline volume fraction has been calculated as Vic = 1 - [(d - A) grain structure and magnetism of nanocrystallined-J 3.The grain boundary component has been assessed as V~b = [3A(d - A)2] grain structure and magnetism of nanocrystallined 3,Cited by 7Publish Year 2017Author L.Z.Zhao,L.Z.Zhao,X.X.Deng,H.Y.Yu,H.J.Guan,X.Q.Li,Z.Y.Xiao,Z.W.Liu,J.M.GrenecheStructure and magnetism of nanocrystalline exchange Apr 01,2006·Structural and magnetic characterizations of nanocrystalline films of (Ni 0.67 Co 0.25 Fe 0.08 ) 89-x Zr 7 B 4 Cu x (x=0,1) alloys are reported.The films were grown on quartz substrates using pulsed laser deposition from homogeneous targets of the above compositions at substrate temperatures ranging from ambient to 600 °C.

Created Date Wed Oct 31 09:34:56 2007Title 307_1.tifCrystal structure and magnetic properties of ultrafine

May 19,2019·The results indicate that the nanocrystalline SmCo 3 compound has a space group of R3¯m and a rhombohedral Be 3Nb-type structure,which are consistent with those of the conventional microcrystalline SmCo 3 alloy.As the crystal structure exhibited in gure 2,in a unit cell of the SmCo 3 crystal,there are 58 atoms including 22 SmDevelopment of Nanostructure Formation of Fe 73.5 Cu 1 Nb Nov 13,2015·Nanocrystalline grain of -Fe(Si) is formed from amorphous precursor,when the sample is annealed above the crystallization temperature.By using the Scherrers formula,the mean grain size of the nanograins was determined from the X-ray fundamental line Herzer,G.(1989) Grain Structure and Magnetism of Nanocrystalline Ferromagnets Development of Nanostructure Formation ofAbstract.Iron-based amorphous alloys have attracted technological and scientific interests due to their excellent soft magnetic properties.The typical nanocrystalline alloy with the composition of Fe 73.5 Cu 1 Nb 3 Si 13.5 B 9 known as FINEMENT has been studied for structural properties analysis.Recently,it is found that after proper annealing the amorphous alloy like Fe 73.5 Cu 1 Nb 3 Si 13.5 B 9 has aEffect of Structure and Size on the Electrical Properties Nanocrystalline WO 3 films were grown by reactive magnetron sputter-deposition by varying the substrate temperature in the range of 303(RT)673 K.The structure and electrical transport properties of WO 3 films were evaluated using X-ray diffraction and dc electrical conductivity measurements.The effect of ultramicrostructure and grain-size was significant on the electrical properties of WO

Estimated Reading Time 7 minsStructure and performance of anisotropic nanocrystalline

Dec 01,2017·Indeed,HVC + HDed magnets can rather maintain high coercivity and high corrosion resistance for its uniform nano-grain structure and grain boundary phase.As an example,using the Nd-Fe-B powders with H ci = 1151 kA grain structure and magnetism of nanocrystallinem,J r = 0.76 T,and ( BH ) max = 93 kJ grain structure and magnetism of nanocrystallinem 3 ,magnetic characteristics of HVCed magnets are 1101 kA grain structure and magnetism of nanocrystallinem,0.64 T,and 65 kJ grain structure and magnetism of nanocrystallinem 3 ,and those of HVC + HDed magnets,975Evolution of the Structure and Physical Properties of the The structure and physical properties of the Fe 72.5 Cu 1 Nb 2 Mo 1.5 Si 14 B 9 nanocrystalline alloy have been studied both in terms of dynamics,using thermomagnetic analysis and statics,using specimens subjected to a complete course of heat treatment at the specified annealing temperature.In the course of nanocrystallization,there was a peak detected on the curve of permeability,that peakGrain structure and magnetism of nanocrystalline OSTI.GOV Conference Grain structure and magnetism of nanocrystalline ferromagnets.Grain structure and magnetism of nanocrystalline ferromagnetsGrain structure and magnetism of nanocrystalline Sep 01,1989·adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

Images of grain structure and Magnetism of nanocrysta

imagesGrain structure and magnetism of nanocrystalline Grain structure and magnetism of nanocrystalline ferromagnets.Abstract Amorphous ribbons of composition Fe grain structure and magnetism of nanocrystallinesub 73.5 grain structure and magnetism of nanocrystallineCu grain structure and magnetism of nanocrystallinesub 1 grain structure and magnetism of nanocrystallineNb grain structure and magnetism of nanocrystallinesub 3 grain structure and magnetism of nanocrystallineSi grain structure and magnetism of nanocrystallinesub 13.5 grain structure and magnetism of nanocrystallineB grain structure and magnetism of nanocrystallinesub 9 grain structure and magnetism of nanocrystalline have been annealed above their crystallization temperature,which produces a homogeneous,ultrafine grain structure of alpha FeSi with typical grain diameters of 10-20 nm.The temperature dependence of saturation magnetization reveals two different magnetic phases which correspond to the alpha -FeSi grains and the grainMagnetic domain structure of nanocrystalline FeMB (M = Zr Abstract It is shown that domain structure of Fe-(Zr,Nb)-B alloys depends not only on mean grain size but also on the strength of the intergranular magnetic coupling and structural inhomogeneities.Although the mean bcc grain size is the same as in the optimum state,a larger magnetization ripple and domain wall pinning by abnormally grown borides is seen in the under-and over-annealed states Preparation,Microstructure,and Magnetic Properties of Jul 28,2020·In this work,we prepared the nanocrystalline near-equiatomic FePt thin films by electrodeposition and explored the effects of annealing temperature and annealing time on morphology,structure,and magnetic properties of FePt film.The fcc-FePt phase starts to form when annealing at 400 °C under the 15% H2 gas mixture.With increasing annealing temperature from 400 to 800 °C,theResearch on CO_2 Laser-induced Nanocrystallization of Fe Fe-based amorphous alloy Fe73.5Cu1Nb3Si13.5B9is irradiated by CO2laser so that the homogeneous ultrafine grains are induced out,which are about 10nm and have a bcc-Fe(Si)structure.As a result,the samples of Fe-based nanocrystalline alloy have excellent soft magnetic properties.The results show that laser power of 7199 Wcan realize the nanocrystallization even in

Structure,Properties and Stability of Advanced Alloys - CORE

Nanocrystalline electrodeposited Ni microstructure and tensile properties.(1996).Nanocrystalline soft magnetic materials.(1988).New Fe-based soft magnetic alloys composed of ultrafine grain structure.On 3d Transition-Semi Metal Thin Films.Magnetism and Processing,Texture and Magnetism of Nanocrystalline Ni Films and Nickel films are grown by radio frequency magnetron sputtering on Corning glass,polyimide foils and on the native oxide of Si (100) wafers at low (1x10-3 mbar) and relatively high (2.5x10-2 mbar) Argon pressure at 100 °C.The base pressure of the high vacuum chamber is 1x10-7 mbar.X-ray diffraction experiments are performed to reveal the different texture of various Ni films.

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