magnetization at room temperature
Designing switchable polarization and magnetization at room temperature in an oxide
... lower temperature is observed (Extended Data 6a), suggesting that the MPB perovskite behaves as a single phase magnetic material, supported by the sharpness of the MoQssbauer ...
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Low density nanoporous iron foams synthesized by sol gel autocombustion
... saturation magnetization reaches the highest value at the ignition temperature of ...saturation magnetization and the igni- tion ...saturation magnetization is about 155 A·m 2 / kg, and the ...
7
Magnetic Inx Ga1 xN nanowires at room temperature using Cu dopant and annealing
... at room temperature, which indicates that nanowires pos- sess ferromagnetism with a Curie point exceeding room temperature ...The magnetization increases steeply at a low magnetic field ...
5
Microwave-Assisted Synthesis of CuFe2O4 Nanoparticles and Starch-Based Magnetic Nanocomposites
... magnetic nanoparticles were added to starch to make magnetic polymeric nanocomposite. The nanoparticles and nanocomposites were characterized using X-ray diffraction and scanning electron microscopy. The magnetic ...
6
Magnetic States in Ensemble of Ferromagnetic Nanoparticles in Cu Mn Al Alloy
... In order to establish magnetic state of the ribbons at room temperature and determine parameters of nano- particle ensemble, additional magnetization measure- ments were executed. As it follows from ...
5
Nearly room temperature ferromagnetism in a magnetic metal-rich van der Waals metal
... the MOKE experiments and data analysis. Y.J.J. carried out the magnetization measurements. R.S., M.M., Jinwon Lee, and H.W.Y. performed surface characterization using scanning tunneling microscopy and x-ray ...
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SUPER PARAMAGNETISM BEHAVIOUR IN MICROWAVE PROCESSED Mn0.5Zn0.5Fe2O4 NANOCRYSTALLINE SPINEL FERRITES
... The magnetization measurement by vibration sample magnetometry of the conventionally sintered sample shows paramagnetic nature at room temperature, super paramagnetic behavior at low ...
6
Effect of Substitution of Al for Fe on Magnetic Properties and Particle Size of Ni Co Nanoferrite
... synthesized by sol-gel auto-ignition method and the effect of non-magnetic aluminum content on the nanosize particles and magnetic properties has been studied. The X-ray diffraction (XRD) revealed that the powders ...
5
Preparation of Fe3O4Spherical Nanoporous Particles Facilitated by Polyethylene Glycol 4000
... reduces to less than 10 nm, the particles exhibit the superparamagnetic behavior for the quantum size effect. In Mo¨ssbauer spectrum, two sets of magnetic sextets change into superparamagnetic relaxation doublet [27–29]. ...
8
Superparamagnetic Behavior of the Magnetic Hysteresis Loop in the Fe2O3@Pt Core-Shell Nanoparticles
... the magnetization of Fe 2 O 3 @Pt nanoparticles at room temperature showed that there is superparamagnetic contribution with high saturation magnetization about ...nanoparticles, ...
6
d° magnetism in oxides and alkaline earth hexaborides
... after subtraction of a linear diamagnetic background due to the silicon substrate; some typical room temperature magnetization curves measured are shown in Figure 4.4. 99 % purity cerium nitrate ...
324
Ultra soft magnetic Co Fe B Si Nb amorphous alloys for high frequency power applications
... Vitrovac. Room temperature magnetization measurements of the arc- melted alloys reveal that compared to Vitrovac, Alloy #1 already presents a ten-fold decrease in coercivity, with H c ∼ ...
8
Nanocrystalline Nickel Zinc Ferrite as an efficient alcohol sensor at room temperature
... Abstract— In the present communication, nanocrystalline nickel zinc ferrite (NZF) has been successfully synthesized by temperature and spin controlled coprecipitation techinique. The structural and surface ...
6
Investigation of spintronic materials systems: deposition and characterization
... the magnetization orientation energetics is referred to as shape ...for magnetization is referred to as the easy ...preferred magnetization will be in-plane as seen with Fe and ...
128
Automatic Room Temperature Controller
... Room temperature (also referred to as ambient temperature) is a common term to denote a certain temperature within enclosed space at which humans are ...accustomed. Room ...
24
pH Dependence of Size Control in Gold Nanoparticles Synthesized at Room Temperature
... This reaction occurred in the first minute after L-ascorbic acid added to HAuCl 4 at room temperature. Ascorbic acid has two electrons reducing properties. It could interact directly by changing one of Cl- ...
8
Are silanes the primary driver of interface strength in glass fibre composites? : exploring the relationship of the chemical and physical parameters which control composite interfacial strength
... the interface. In the case of thermoplastic polymer matrices where there may often be little or no chemical bonding across the interface, these static frictional stresses can make up a large fraction of the apparent IFSS ...
8
Magnetic properties of Tb2Co17 xGax compounds studied by magnetic measurements and neutron diffraction
... above room temperature and the results listed field terms to the anisotropy may also be responsible for in Table 1 show that the easy magnetisation direction at this ...
6
Automatic room temperature control
... the room with the air conditioning and a temperature sensor input, which would change the air conditioning operation depending on room temperature ...constant temperature based on the ...
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Test study of the thermal environment about new and old two types of rural houses in QiLian mountain northern foothills area taking Hongwansi town In Sunan as a measurement object
... This study aimed to analyze the summer and winter indoor thermal environment of new and old two types of rural houses in QiLian Mountain northern foothills area. The method of analysis is field testing, include indoor ...
6