PhD thesis, Physics.
1. Introduction. Gadolinium iron garnet (GdIG) belongs to the family ferromagnetic rare-earth garnets which are assigned to cubic structure (space group Ia3d) with every cell containing eight R 3 Fe 5 O 12 molecules. Rare-earth ion R 3+ cannot occupy the octahedral and tetrahedral sites because of its large ion radius, so R 3+ ion can only occupy dodecahedral sites which have larger by: Low temperature magnetic and magnetocaloric studies in YCr Mn O 3 ceramic Neeraj Panwar et al Physica B: Condensed Matter Crossref. Magnetization Reversal and Exchange Bias Study in Bulk Gd 1- x Y x CrO 3 (x = – ) Bibhuti.B. Dash and S. Ravi Journal of Magnetism and Magnetic Materials. CrossrefCited by: A new lanthanide citrate motif of general formula [Ln(Hcit)(H2O)2H2O]n, where Ln = Gd (1) and Nd (2) and Hcit3- = C(OH)(COO-)(CH2COO-)2, has been synthesized hydrothermally from Ln2O3 and citric acid at °C and characterized by elemental analysis, IR, TG-DTA, single-crystal X-ray diffraction, and magnetic measurements. The structures can be seen as “ladder chains” along the a axis. There is renewed interest in rare-earth elements and gadolinium in particular for a range of studies in coupling physics and applications. However, it is still apparent that synthesis impacts understanding of the intrinsic magnetic properties of thin gadolinium films, particularly for thicknesses of by:
The study of gadolinium substitution in small amounts on the saturation magnetization and DC resistivity of nickel-zinc nanoferrite has led to the understanding of the degree of formation of a. We report studies on 50 nm thick nanogranular polycrystalline gadolinium thin films on SiO 2 wafers that demonstrate single-crystal like behavior. The maximum in-plane saturation magnetization at 4 K was found to be 4πM S 4 K = ( ± ) T with a coercivity of H C 4 K = ( ± 5) by: MOKE study of magnetic compensation in polycrystalline gadolinium iron garnet thin film Article (PDF Available) in Journal of Magnetism and Magnetic Materials October with Reads. - Buy Ferromagnetic Materials: Iron, Nickel, Dysprosium, Gadolinium, Cobalt, Gallium Manganese Arsenide, Magnetite, Neodymium Magnet book online at best prices in India on Read Ferromagnetic Materials: Iron, Nickel, Dysprosium, Gadolinium, Cobalt, Gallium Manganese Arsenide, Magnetite, Neodymium Magnet book reviews & author details and Author: Source Wikipedia.
Grades of Neodymium The Neodymium magnets have a simple nomenclature. They all start with "N" which simply stands for "Neo" (industry simplification of Neodymium) and is followed by a two digit number. This number represents the maximum energy product in Mega-Gauss Oersteds (MGOe) where 1MGOe (cgs units) equals kJ/m3 (SI units). We have observed large adiabatic magnetization cooling (≈6°K) in ytterbium iron garnet (YbIG) and dilute gadolinium iron garnet in the 3°–30°K temperature range. In samples of YbIG diluted with yttrium, reductions in temperature up to 10°K were observed. In pure YbIG, isentropic curves taken near the compensation point outline a magnetic phase boundary in the H‐T plane at which the Cited by: This is a selection of questions from the ACA curriculum for Magnetism section - Inside a Magnet. The objectives of this chapter are to; explain how an atom can behave like a magnet, describe how magnetic domains are arranged in a magnetic material, explain how magnets can be changed. Introduction. Gadolinium-based contrast agents are widely used as CE-MRI agents for diagnosing or monitoring disease progress. In each year, over 30 million doses of GBCAs are consumed worldwide, and more than million doses have been administrated since their introduction (Gulani et al., ).Clinically available GBCAs are all bonded by a ligand when they are used as an MRI Cited by: