... Abstract : MEASUREMENT OF THE AC MAGNETIC SUSCEPTIBILITY OF A LARGE, WEAKLY MAGNETIC OBJECT HAS ADVANTAGES OVER DC ...

... Abstract : A mutual inductance bridge for measuring ac magnetic susceptibility at low frequencies, using standard components, is described. ...

... PROPERTIES), INTERMETALLIC COMPOUNDS, MAGNETIC MATERIALS, SAMARIUM, YTTERBIUM, PRASEODYMIUM, NIOBIUM ALLOYS ...

The report deals with hysteresis losses at 4 K measured by magnetization and complex magnetic susceptibility. The theoretical and experimental relationships between ac susceptibility and magnetization as functions of dc field were examined in terms of the...

The temperature dependence of the harmonics ((chi)n) of the ac magnetic susceptibility in HTS have been investigated by numerical solutions of the non linear diffusion equation for the magnetic flux. Within the framework of the collective pinning model, t...

Magnetization and ac susceptibility of a standard NbTi superconductor were measured as a function of longitudinal dc magnetic field. The ac-field-amplitude and frequency dependences of the complex susceptibility are examined. The magnetization is ...

Residual resistivity ratio RRR is an important integral characteristic of material purity. It was proposed to determine the RRR on base of the AC susceptibility. AC susceptibility of a number of single crystal niobium samples of different orientations types ( <100>, <011,><111> rpar; and ...

The nonlinear diffusion of magnetic flux into a superconducting sample can be studied by measuring the relaxation of the magnetisation after application of a step field or by measuring the ac susceptibility, (chi)(sub 1) and its third harmonic, (chi)(sub ...

Samples will be characterized by structural and chemical analysis, DC resistance and magnetoresistance versus temperature, and AC magnetic susceptibility, ...

This paper attempts to explore the effects of the different external fields on the inverse susceptibility-temperature curve. The superlinear property found in the inverse susceptibility-temperature curve of magnetic nanoparticle colloid solutions is assumed to be related to dimer disruption. The ac ...

Results are reported of low magnetic field studies of dc magnetic susceptibility and ac magnetic susceptibility of bulk samples and powders. These data are analyzed and compared with the microstructures and compositions of the samples as determined by sca...

A mutual inductance bridge for measuring ac magnetic susceptibility at low frequencies, using standard components, is described. The equivalent of a decade mutual indicator is achieved by using a commercial decade autotransformer in combination with a sma...

Results are reported of low magnetic field studies of dc magnetic susceptibility and ac magnetic susceptibility of bulk samples and powders. These data are analyzed and compared with the microstructures and compositions of the samples as determined by scanning electron ...

The isothermal magnetic transitions of a type 2 superconductor have been studied by AC susceptibility techniques as a function of the amplitude and frequency of the exciting field. The field variation of the complex susceptibility was used to determine th...

The dc magnetic hysteresis and audio-frequency ac susceptibility were studied for YBa2Cu3Ox films of different epitaxial orientations on SiTiO3. The apparent critical current density deduced from the ac susceptibility is in reasonable agreement with that ...

The DC magnetization and AC complex magnetic susceptibilities were measured for MgB2 single crystals, unsubstituted and carbon substituted with the composition of Mg(B0.94C0.05)2. The measurements were performed in AC and DC magnetic fields oriented parallel to the c-axis ...

Measurements of both the ac magnetic susceptibility in melt processed and film Y{endash}Ba{endash}Cu{endash}O and frictional losses of spinning permanent magnets levitated above Y{endash}Ba{endash}Cu{endash}O are presented. A direct correlation is observed only when large susceptibility samples ...

Substituted strontium ferrite SrFe12-xCrx/2Alx/2O19 (x=0-2.5) was prepared by sol-gel method. Ac susceptometer, and 57Fe M�ssbauer spectroscopy were used to analyze the structure, static and dynamic magnetic properties of the prepared samples. M�ssbauer spectra show that Al-Cr ions preferentially occupy the 12k sites. Magnetic ...

We analysed magnetic nanoparticle biodistribution, before and after cytokine conjugation, in a mouse model by ac susceptibility measurements of the corresponding resected tissues. Mice received repeated intravenous injections of nanoparticle suspension for two weeks and they were euthanized 1 h after the last injection. In general, ...

A magnetic field harmonically varying in time (to probe the sample) and a lock-in technique (to register the sample response sensed by a pick-up coil) are widely used for characterizing superconductors. Measuring the temperature dependence of the complex AC susceptibility is the most common procedure of this type. This paper reviews ...

We report on the development of a sensitive high frequency susceptometer capable of measuring in the frequency range from 25 kHz up to 10 MHz with a volume susceptibility sensitivity of 3.5�l0-5 at 100 kHz corresponding to about 0.3% of the measured AC susceptibility. In combination with the previous reported DynoMag system capable ...

In-phase ?n? and out-phase ?n? components of nth harmonics of AC susceptibility with measuring parameters of a DC magnetic field Bdc, an amplitude Ba and a frequency f of the superimposed AC magnetic fields give substantial information of the superconducting properties. In low-Tc metallic ...

The AC magnetic susceptibility is an important probe for characterizing magnetic properties of many materials. In this effort, an innovative high-resolution AC susceptometer is constructed. It provides us a capability to conduct state-of-the art experiments in AC ...

The magnetic and transport properties of Fe2VGa doped with metal M (M = Rh and Ti) have been obtained from the analysis of ac magnetic susceptibility ?ac, magnetization M vs magnetic field, specific heat C, and electrical resistivity ?. The results ...

AC susceptibility of magnetic markers in solution was studied for biosensor applications. First, frequency dependence of the susceptibility was measured, and size distribution of the markers was estimated by analyzing the experimental result with the so-called singular value decomposition (SVD) method. The size ...

A novel multiplexed sensing scheme based on the measurement of the magnetic susceptibility of the affinity captured target molecules on magnetic nanoparticles in liquid suspension is proposed. The AC magnetic susceptibility provides a measurement of Brownian relaxation ...

Several investigators have studied flux varying in quadrature with a small ac field applied to a magnetic film in the presence of a perpendicular dc field, i.e., the imaginary part of the susceptibility. This phenomenon has often been interpreted as arisi...

such as magnetization and susceptibility, are studied near the Curie point. ... are the magnetization and susceptibility. The statistical method used to ...

DC and AC magnetic measurements were carried out to clarify the difference in the magnetic ground state depending on the kinds of Z element used in the martensite phase in Ni�Mn�Z (Z = In, Sn and Sb) off-stoichiometric Heusler alloys. Magnetic field cooling effects were observed in the DC thermomagnetization ...

DC and AC magnetic measurements were carried out to clarify the difference in the magnetic ground state depending on the kinds of Z element used in the martensite phase in Ni-Mn-Z (Z = In, Sn and Sb) off-stoichiometric Heusler alloys. Magnetic field cooling effects were observed in the DC thermomagnetization curves ...

An ac mutual inductance bridge for magnetic susceptibility measurements of solid3He in a metallic cell at ultralow temperatures is described. A null detector for the bridge was composed of an rf-biased superconducting quantum interference device (rf-SQUID) system and a lock-in amplifier that avoided strong fields of the nuclear ...

softening were to occur around the Curie temperature. FIG. 2. Neutron powder diffraction patterns of NdScGe tetragonal I4/mmm by high-resolution neutron powder diffraction, ac-susceptibility and magnetometry powder diffraction, complemented by ac-susceptibility and magne- tometry. II. EXPERIMENTAL METHODS The Nd

The AC susceptibility (X(prime), X(double prime)) has bee measured in a single crystal of the organic superconductor K-(ET)(sub 2)Cu(NCS)(sub 2) ((Tc) = 9.5 K) as a function of the DC magnetic field, for several frequencies (10 (sup 2) Hz

Magnetization, ac-susceptibility, and muon spin-relaxation (?SR) measurements have been performed in neutral phthalocyaninato lanthanide ([LnPc2]0) single-molecule magnets in order to determine the low-energy levels structure and to compare the low-frequency spin excitations probed by means of macroscopic techniques, such as ...

We present a novel detection scheme for magnetic nano and micro particles using a magnetic force microscope (MFM) that allows for the local measurement of AC magnetic susceptibility. The method makes use of the nonlinearities in the magnetic response of a particle that come ...

The magnetic properties of several powder samples of the high-Tc superconductors Hg-1212 and (HgTl)-1212 are investigated by means of ac and dc susceptibility measurements. The temperature dependence of irreversibility fields is determined up to magnetic fields of 14 T. It can be described in the framework of a ...

We have performed multiprobe experiments using a Bridgman-anvil pressure cell, adapted to trap Daphne oil as pressure medium. Resistivity, ac-magnetic susceptibility, thermopower, and ac-heat capacity of a type-I superconductor, lead, have been studied at low temperature up to 5+/-0.1 GPa. This is the first report where ...

The complex AC susceptibility ((chi)) of high T(sub c) superconducting materials has been described in terms of hysteretic and AC losses. By including both flux creep and flux flow resistivities in the expression of the flux diffusivity, induction profile...

The complex susceptibility was measured on various magnetic core-shell nanoparticle suspensions in the frequency range between 100 Hz and 1 MHz and compared to theoretical models. It is shown that the spectrum of the imaginary part of the ac susceptibility ?'' measured on aqueous suspensions of multicore magnetite ...

We have investigated the ac magnetic susceptibility and magnetic heating of aqueous suspensions of ?-Fe2O3 nanoparticles embedded in alginate hydrogel matrix and isolated ?-Fe2O3 and Fe3O4 nanoparticles coated with tetramethyl ammonium hydroxide. All three ferrofluids were characterized by measuring the dc ...

AC susceptibility measurement of magnetic markers in solution was applied to biological immunoassays. In this method, the markers that bound to biological target can be detected in the presence of unbound markers. The bound markers were distinguished from the unbound ones by using their different frequency dependence of ...

The author of this thesis has measured the AC magnetic response function mu = mu'+i-mu'' in melt-powder-melt-growth YBa2Cu3O7 (Y123) with insulating Y2BaCuO5 (Y211) and in single crystal YBa2Cu3O7 (SC) in applied DC fields up to 8 T, oriented both paralle...

... Abstract : The magnetic susceptibilities of erbium ethylsulphate and holmium ethylsulphate ... The susceptibility of the erbium salt at low temperatures ...

The AC susceptibility (X{prime}, X{double_prime}) has bee measured in a single crystal of the organic superconductor K-(ET){sub 2}Cu(NCS){sub 2} ({Tc} = 9.5 K) as a function of the DC magnetic field, for several frequencies (10 {sup 2} Hz AC fields (l{mu}T

Laser-polarimetric technique with the shot-noise-limited polarimetric sensitivity is used to study magnetic ac-susceptibility in holmium doped LiYF4 crystals in the range of Zeeman energies comparable with that of the hyperfine interaction in Ho3+ ions. Specific features of optical methods of magnetic measurements, the experimental ...

Magnetic poly(methyl methacrylate) nanocomposites were prepared using oleic acid coated cobalt ferrite and magnetite nanoparticles. Both nanofillers had a similar effect in shifting the glass transition temperature from that of the neat polymer. The cobalt ferrite nanocomposite had magnetic hysteresis at 2 and 300 K and the magnetite nanocomposite had ...

Metal - superconductor (YBCO) systems have been prepared and characterized by resistivity, ac susceptibility and dc SQUID magnetic moment measurements. The silver composites showed superconducting transition for all the composites processed and the superc...

The variation of the ac magnetic susceptibility of a polycrystalline ferromagnet US as a function of hydrostatic pressure was investigated. The Curie temperature decreases linearly from 180.0/sup 0/K at the atmospheric pressure to 175.9/sup 0/K at 17.6 kbar.

In this thesis, we studied physical properties of various high-rm T_{c} superconductors by means of the ac susceptibility technique. We presented the physics of ac susceptibility from first principles without relying on any specific models. From this, we could explain some fundamental but interesting features of ...

Field-structured magnetic particle composites are an important new class of materials that have great potential as both sensors and actuators. These materials are synthesized by suspending magnetic particles in a polymeric resin and subjecting these to magnetic fields while the resin polymerizes. If a simple uniaxial ...

susceptibility peaks are reported for the title complexes. The influences of the ligands on the magnetic; accepted 31 August 1999 Abstract The syntheses and magnetochemical properties of the title complexes to resonant magnetization tunneling. Both the DC and AC susceptibility measurements ...

A homospin ladder-like chain, [Co(Hdhq)(OAc)](n) (1; H(2)dhq = 2,3-dihydroxyquinoxaline), shows a single-chain-magnet-like (SCM-like) behavior with the characteristics of frequency dependence of the out-of-phase component in alternating current (ac) magnetic susceptibilities and hysteresis loops. PMID:21390364

We report the results obtained by x-ray, dc magnetization, ac magnetic susceptibility, microwave magnetic absorption, and electron paramagnetic resonance of the magnetic and superconductive properties of a large series of compounds of the form [ital A][sub 2[minus][ital ...

that the anisotropy of the valence band affects the anisotropy of the magnetism. Indeed, previous studies have shown. (a) Temperature dependence of field-cooled magnetizations and (b) hysteresis curves along different temperatures. domain model, the magnetic free energy when an exter- nal field is applied, for example, along

A method of using the ac Josephson current between two superconducting electrodes to probe the spin fluctuations of a magnetic insulating barrier of a junction is suggested. The dc I-V characteristic of such a junction measured as a function of both the dc bias voltage V and the magnitude of a magnetic field parallel to the plane of ...

A study of a series of Dy5(SixGe1-x)4 alloys using dc and ac magnetic susceptibility, magnetization, heat capacity, and x-ray powder diffraction techniques revealed that the variation of the magnetic properties and crystal structures with composition is s...

We will present the physical properties of a layered silver oxide Ag5Pb2O6. The resistivity shows T2 dependence in an unusually wide range of temperature, up to room temperature. Considering the specific heat, this T2 dependence is not attributable to either strong electron correlation or strong electron-optic phonon interaction. In the AC susceptibility ...

Low field magnetic measurements of a re-entrant system Ni{sub 81}Mn{sub 19} as a function of temperature are shown to exhibit two successive transitions. The ac susceptibility shows strong frequency dependence due to the frustrated spins. The freezing temperature, T{sub f}, shifts to higher temperatures with increasing frequency and ...

... Title : AC MAGNETIC FIELDS IN THE ... CALCULATIONS OF THE IMPEDANCE OF A ... IS ACCOMPLISHED BY TWO INDEPENDENT METHODS. ...

... Title : LOW TEMPERATURE MAGNETIC SUSCEPTIBILITY AND MAGNETIZATION STUDIES OF SOME COMMERCIAL AUSTENITIC ...

The low-field dependence of electrical power absorption and ac susceptibility-temperature measurements are performed on three ceramic superconductors of the Tl2Ba2CaL-1CuLO4+2L family using modulated and direct microwave and ac methods. Below a critical temperature all samples exhibit a large increase in ac and ...

The low-field dependence of electrical power absorption and ac susceptibility--temperature measurements are performed on three ceramic superconductors of the Tl{sub 2}Ba{sub 2}Ca{sub {ital L}{minus}1}Cu{sub {ital L}}O{sub 4+2{ital L}} family using modulated and direct microwave and ac methods. Below a critical temperature all samples ...

The temperature dependence of the inverse magnetic susceptibility of both Mn12-ac and Mn12-ac-MeOH is found to give finite temperature intercepts, indicating a ferromagnetic phase at low temperature [1, 2]. A magnetic field applied transverse to the Ising axis suppresses the Curie temperature, ...

Magnetic measurements (ac and dc susceptibilities and magnetization) on YbCoGaO4 single crystal as a function of frequency and temperature are presented. The studied system behaves like a three-dimensional Ising-like spin glass. A cusp is seen only in the longitudinal susceptibility, whereas a ...

The magnetic and superconducting properties of TmRh/sub 4/B/sub 4/ (which becomes superconducting at 9.6 K) by means of ac and dc magnetic susceptibility and specific heat measurements are investigated. At 10.7 K, an ac susceptibility peak similar to those found in spin ...

We present our investigation on the critical behavior of the spinel compound CdCr2S4 via the ac susceptibility and dc magnetization measurements. The analysis of ac susceptibility in terms of scaling behavior yields exponent values of ?=5.38+/-0.01, ?+?=1.77+/-0.03 and ?=1.44+/-0.02. Both ? and ...

ac susceptibility measurement of magnetic markers in solution was performed for the liquid phase detection of biological targets. First, the properties of the magnetic markers were clarified, such as size distribution, frequency dependence of susceptibility, and field dependence of ...

Soft magnetic Co and Fe films were deposited by pulsed laser ablation on Cu wires. The circular magnetic susceptibility of the cylindrical films was measured by applying an ac circular magnetic field at frequencies up to 6 GHz. The measured ferromagnetic resonance frequency of the Co films was ...

A magnetic study of iron sorbitol, an iron-containing drug to treat the iron deficiency anemia is presented. Transmission electron microscopy reveals that the system contains nanometric particles with an average diameter of 3nm whose composition is close to two-line ferrihydrite. The characterisation by magnetisation and AC ...

For insulating Eu1-xAxMnO3 (A = Ca, Sr; x = 0, 0.3) ceramics the magnetic properties depend on the thermomagnetic history of the sample and the maximum of initial magnetic susceptibility is located at T=TN, being independent of the AC field frequency. Magnetization isotherms are the ...

The transport properties and the dynamics of the flux lines have been investigated on YBaCuO melt textured by measuring the AC susceptibility harmonics as function of the temperature, at different frequencies and amplitudes of the AC magnetic field. The interpretation of the behavior of the experimental curves has ...

Superconducting quantum interference (SQUID) magnetometers remain as the most sensitive instruments to measure magnetic properties. However, the ready availability and rapid improvements in the sensitivity of magnetic field sensors based on giant magnetoresistance (GMR) effect combined with their low cost and ability to operate at room temperature opens up ...

The magnetic noise of a frozen ferrofluid made of maghemite nanoparticles dispersed in glycerin is measured using a two-dimensional electron gas based quantum well Hall sensor (QWHS) with the spinning current technique. The frozen ferrofluid shows a superspin glass transition at 67 K. Below this glass transition temperature, the relation between the imaginary part of the ...

DMSA-coated magnetic nanoparticles have been used for drug delivery, in particular to transport cytokines towards an induced tumour in a murine model. In this work, the use of transmission electron microscopy and AC magnetic susceptibility measurements of the tissue have allowed the detection of the particles ...

The samples present a numerical analysis of the diffusion equation of the magnetic flux in YBCO in presence of ac magnetic fields taking into account flux creep and flux flow. Despite critical state models, the results how the dependence of harmonic susce...

An organometallic single-ion magnet is synthesized with only 19 non-hydrogen atoms featuring an erbium ion sandwiched by two different aromatic ligands. This molecule displays a butterfly-shaped hysteresis loop at 1.8 K up to even 5 K. Alternating-current (ac) susceptibility measurement reveals the existence of two thermally activated ...

Magnetic and magnetocaloric properties of polycrystalline (Er{sub 1?x}Gd{sub x}){sub 5}Si{sub 4} with x = 0.1 and 0.25 have been studied. The temperature dependencies of the dc magnetization and ac susceptibility indicate two magnetic transitions: the high temperature transitions are ...

Doping of the band insulator FeS2 with Co on the Fe site introduces a small density of itinerant carriers and magnetic moments. The lattice constant, ac and dc magnetic susceptibility, magnetization, and specific heat have been measured over the 0?x?0.085 range of Co concentration. The ...

The authors have studied the resistive transition and complex ac susceptibility in single crystals of YBCO-123 high-T(c) superconductors. The experiments were performed in a temperature range close to the superconducting transition and in external magneti...

The complex ac penetration depth, surface impedance, and susceptibility are calculated for a superconducting half space and film containing a vortex lattice of arbitrary orientation with respect to the surface. Within linear response theory, full account is taken of the correct boundary conditions (image vortices), diffuse driving force and nonlocal ...

The effect of the doping of rare earth Gd3+ ions replacing Nd3+ in Nd0.7Sr0.3MnO3 is investigated in detail. Measurements of resistivity, magnetoresistance, magnetization, and linear and nonlinear ac magnetic susceptibility on chemically synthesized (Nd0.7?xGdx)Sr0.3MnO3 show various interesting features with ...

The effect of the doping of rare earth Gd(3+) ions replacing Nd(3+) in Nd(0.7)Sr(0.3)MnO(3) is investigated in detail. Measurements of resistivity, magnetoresistance, magnetization, and linear and nonlinear ac magnetic susceptibility on chemically synthesized (Nd(0.7-x)Gd(x))Sr(0.3)MnO(3) show various interesting ...

We have compared the structure parameters of magnetic core-shell nanoparticles determined from fluxgate magnetorelaxometry measurements applying the moment superposition model with the results from other methods. For the characterization of the magnetic cores, the nanoparticles are immobilized by freeze-drying. The core size distribution estimated for ...

Results of ac magnetic susceptibility measurements performed on the trigonal prismatic complex U(Ph(2)BPz(2))(3) demonstrate the presence of slow magnetic relaxation under zero applied dc field. Analysis of both the temperature and frequency dependence of the ac ...

This report discusses the AC losses in the MICE channel magnets during magnet charging and discharging. This report talks about the three types of AC losses in the MICE magnets; the hysteretic AC loss in the superconductor, the coupling AC loss in the ...

The dynamic susceptibility study of photoinduced magnetism in a molecule-based magnet, K{sub 1-2x}Co {sub 1+x}[Fe (CN){sub 6}]{center_dot}yH {sub 2}O (0.2{<=}x{<=}0.4, y{approx}5) , is reported. Upon excitation with visible light the material has substantial changes in linear and nonlinear ac ...

Ni-W alloys are used as the substrate in the manufacture of HTS tape via the RABiTSTM process. Theoretical work has shown that the ferromagnetism in a substrate can affect the ac losses in the superconductor. This occurs in part because of the increased magnetic permeability, which alters the magnetic induction in the superconductor ...

We study the magnetic properties of Co clusters with diameters between 0.8 and 3nm prepared by sequential sputtering of Co and Al2O3. The particle size distribution has been determined from the equilibrium susceptibility and magnetization data. Comparing this to the distribution of activation energies, obtained from the ...

The field-tuned ac susceptibility of Mn12Ac single crystal has been measured as functions of temperature and frequency. Two relaxation processes appear in our measurement. One is related to the magnetic quantum tunnelling of a collective spin S = 12 by a 61 K magnetic barrier and it has been ...

The ac susceptibility and magnetization curves of a glued Dy(2)O(3) powder sample are measured by an ac susceptometer and a dc superconducting quantum interference device magnetometer, both of which have been calibrated previously. It is shown that the magnetic moment of the paramagnetic sample ...

The AC magnetic susceptibilities ?AC of a Bi2223 sintered sample were measured by the Hartshorn bridge method. The linear AC?'0 showed the two-steps behavior at TC1 and TC2, where TC1 > TC2. The ?'0-data between TC1 and TC2 has no HAC-dependence and agreed well with those of powder specimen, ...

We report DC magnetization, detailed systematic linear and nonlinear AC magnetic susceptibility and transport for a single phase RuSr2Eu1.4Ce0.6Cu2O10-? (EuRu-1222) magneto-superconductor. The studied sample is synthesized through standard solid state reaction route, which is crystallized in single phase tetragonal ...

The magnetic properties of the nanocomposite consisting of hematite (?-Fe2O3) nanoparticles embedded in the hollows of the periodic nanoporous silica matrix were investigated. The magnetic measurements showed on the superparamagnetic behavior of the nanoparticles. This behavior was evidenced by the irreversibility of magnetization ...

The complex ac dynamic magnetic susceptibility was used to study the spin-glass-like behavior in single-crystalline Cu0.44In0.48Cr1.95Se4 spinel. The broad maximum in the dc susceptibility at 44K and the vanishing of the ac susceptibility second harmonic in the ...

Linear and non-linear dynamic properties of a re-entrant ferromagnetic polycrystalline bulk La0.85Ca0.15Mn0.95Fe0.05O3 sample are studied using AC susceptibility. The Fe doped La0.85Ca0.15Mn0.95Fe0.05O3 undergoes a ferromagnetic transition at TC = 174 K and to spin glass (SG) at Tg� 100 K, and a decrease in the AC ...

Systematic dc and ac magnetic susceptibility measurements performed on RuSr2Eu1.5Ce0.5Cu2O10-? (Ru1222) demonstrate a paramagnetic to ferromagnetic transition around 95 K. The third harmonic of the ac susceptibility reveals that the system undergoes a spin glass transition below 75 K. The ...

New organic/inorganic hybrid material containing a ferrimagnetic cyano-bridged binuclear complex, [Gd(DMF)4(H2O)3Cr(CN)6]�H2O (DMF=N,N?-dimethylformamide), and photochromic azobenzene in poly(methylmethacrylate) (PMMA) cast films has been prepared. We characterized magnetic properties of bulk [Gd(DMF)4(H2O)3Cr(CN)6]�H2O and confirmed that it was not changed by light ...

In this paper, we present a detailed study of the dc magnetization, ac susceptibility and aging effect in a polycrystalline Sr2Mn0.7Fe0.3MoO6 sample. Based on the tetragonal I 4/m space group, the XRD pattern is well refined, which shows that the sample is crystallized in a single phase double-perovskite structure without impurity ...

The ternary intermetallic compound Gd2Au2Cd , synthesized by reaction of the elements via inductive melting, is studied for its structural and physical properties. Gd2Au2Cd crystallizes with the Mo2FeB2 type (an ordered derivative of U3Si2 structure), space group P4/mbm . The magnetic measurements (ac and dc susceptibility) ...

... Title : VARIATION OF MAGNETIC SUSCEPTIBILITY IN THE AGING OF BETA-TITANIUM ALLOYS ALLOYED WITH MANGANESE, VANADIUM ...

... Title : THE MAGNETIC SUSCEPTIBILITY OF THE GADOLINIUM, LUTETIUM ALLOY SYSTEM,. Corporate Author : SHEFFIELD UNIV (ENGLAND). ...

... Title : THE MAGNETIC SUSCEPTIBILITY OF SOME DILUTE ALLOYS OF NICKEL IN COPPER AND MAGNESIUM IN LITHIUM. ...

... Accession Number : AD0179922. Title : THE MAGNETIC SUSCEPTIBILITY OF NIOBIUM. Corporate Author : Personal Author ...

... Title : Magnetic Susceptibilities of Compositions in Tantalum - Tantalum Carbide System. Descriptive Note : Technical note. ...

... Accession Number : AD0401563. Title : METHODS OF MEASURING MAGNETIC SUSCEPTIBILITY. Corporate Author : LIBRARY ...

... MAGNETIC SUSCEPTIBILITY VARIATIONS DUE TO THE INCREMENTS OF THE CONCENTRATION RATIO OF FERROMAGNETIC TO NON ...

... Title : MAGNETIC SUSCEPTIBILITY OF VANADIUM CARBIDE UNIVERSITY OF COLORADO ANDCOLORADO STATE UNIVERSITY: COLORADO ...

... Accession Number : AD0291562. Title : MAGNETIC SUSCEPTIBILITY OF SINGLE BIOLOGICAL CELLS. Corporate Author ...

... Accession Number : AD0649925. Title : MAGNETIC SUSCEPTIBILITY FOR ANDERSON'S MODEL OF A DILUTE ALLOY. ...

... Accession Number : AD0103314. Title : MAGNETIC SUSCEPTIBILITIES OF URANIUM (V) AND URANIUM (III) CHLORIDES. ...

... Title : LOW TEMPERATURE MAGNETIC SUSCEPTIBILITY OF FERROUS OXALATE DIHYDRATE. Descriptive Note : Technical report.,. ...

... Title : LOW TEMPERATURE MAGNETIC SUSCEPTIBILITIES OF SOME HYDRATED FORMATES OF CU(++) AND MN(++). ...

... Title : HALL CONSTANT AND MAGNETIC SUSCEPTIBILITY OF TRANSITION METAL DIBORDES. Descriptive Note : Final rept. ...

... Title : CHANGES IN THE MAGNETIC SUSCEPTIBILITY (MU) OF AUSTENITIC STAINLESS STEEL UPON TREATMENT. ...

We report on the use of triaxial magnetic fields to create a variety of isotropic and anisotropic magnetic particle/polymer composites with significantly enhanced magnetic susceptibilities. A triaxial field is a superposition of three orthogonal ac magnetic fields, each ...

We report on the use of triaxial magnetic fields to create a variety of isotropic and anisotropic magnetic particle/polymer composites with significantly enhanced magnetic susceptibilities. A triaxial field is a superposition of three orthogonal ac magnetic fields, each ...

Commensurability effects between the superconducting flux line lattice and a square lattice (period d=1{micro}m and diameter D=0.4{micro}m) of submicron holes in 1500 {angstrom} vanadium films were studied by atomic force microscopy, DC magnetization, AC susceptibility, magnetoresistivity and I-V measurements. Peaks in the ...

... OF THE MAGNETIZATION OF FERROMAGNETS REMAGNETIZED BY AN AC FIELD, WITH MAGNETIC HYSTERESIS TAKEN INTO ACCOUNT. ...

... rate and the susceptibility after long ... and increase the susceptibilities to quasi ... Descriptors : (*FERRITES, MAGNETIC PROPERTIES), MAGNETIC ...

... susceptibilities in the lab at two frequencies. We have found a correlation between the surface geology, topography, and magnetic susceptibility ...

A commercially available powder of MgB2 is used as starting material for the examination of the influence of the annealing temperature on the properties of this intermediate-Tc superconductor. We performed scanning electron microscopy (SEM) and Hall ac-susceptibility measurements as a function of temperature and ac-field amplitude on samples annealed at ...

Concentrated spin-glass behavior is discovered in a mechanically milled crystalline compound GdN. We report on measurements of magnetic relaxation and both ac and dc magnetic susceptibility at temperatures between 2 and 300 K in a magnetic field up to 5 T. Both ac and dc ...

The AC susceptibility, ?, at zero DC magnetic field of a polycrystalline sample of LaFeAsO0.94F0.06 ( T c ?24 K) has been investigated as a function of the temperature, the amplitude of the AC magnetic field (in the range H ac =0.003 Oe�4 Oe) and the frequency (in the ...

New organic inorganic hybrid material composed of typical single-molecule magnet [Mn12(CH3COO)16(H2O)4O12]�2CH3COOH�4H2O (Mn12-acetate) and photochromic azobenzene in PMMA cast films was prepared to observe novel photomagnetic phenomenon. We characterized it by means of UV visible absorption and IR spectra to confirm photoisomerization of azobenzene even at room ...

Exchange anisotropy in Co/CoO bilayers has been studied using electrical transport to probe the magnetization. The Ta(5nm)/Co(l00nm) samples were grown on single crystal CoO(l00) and CoO(111) oriented substrates by do magnetron sputtering. The measurements include both the AMR and the planar Hall effect by simultaneously applying a do and a perpendicular ...

Immunomagnetic reduction (IMR), which involves measuring the reduction in the ac magnetic susceptibility of magnetic reagents, is due to the association between bio-functionalized magnetic nanoparticles and target bio-molecules. This has been demonstrated for assaying proteins in solutions free ...

The effect of weak dipolar interactions (DIs) between Ni nanoparticles (NPs) in samples with different Ni concentrations was investigated by performing a detailed characterization of their structural and magnetic properties. From the determination of several physical parameters of Ni NP assemblies, it was found that the ac and dc ...

...AC-powered magnet. (a) Identification. An AC-powered magnet is an AC-powered device that generates a magnetic field intended to find and remove metallic foreign bodies from eye tissue. (b) Classification. Class...