نتایج جستجو برای: magnetics

تعداد نتایج: 396  

2017
France Lagroix Yohan Guyodo

One timeless challenge in rock magnetic studies, inclusive of paleomagnetism and environmental magnetism, is decomposing a sample’s bulk magnetic behavior into its individual magnetic mineral components. We present a method permitting to decompose the magnetic behavior of a bulk sample experimentally and at low temperature avoiding any ambiguities in data interpretation due to heating-induced a...

Journal: :Physical chemistry chemical physics : PCCP 2015
Carlos Moya María del Puerto Morales Xavier Batlle Amílcar Labarta

This work reports on the effect of the 1,2-hexadecanediol content on the structural and magnetic properties of CoFe2O4 nanoparticles synthesized by thermal decomposition of metal-organic precursors in 1-octadecene. Although pseudo-spherical particles having an average size of about 8 nm and similar stoichiometry have been observed in all studied samples, a high level of variability in the cryst...

Journal: :Journal of Astronomical Telescopes, Instruments, and Systems 2023

Common-mode choke inductors are useful tools for resolving grounding issues in large detector systems. Using inductive components on cryogenic pre-amplifier boards has so far been prevented by the poor low-temperature performance of common ferrite materialssuch as NiZn and MnZn. Recentlydeveloped nanocrystallineand amorphous materials promise improved up to point where using magnetics at liquid...

Journal: :Journal of Cardiovascular Magnetic Resonance 2009
Thao T Tran Vaughn Starnes Xuedong Wang James Getzen Brian D Ross

Late gadolinium enhanced (LGE) cardiovascular magnetic resonance (CMR) has proven to be the gold standard for viability assessment. LGE CMR is also useful for identifying the nature of cardiac masses or lesions. We report a case of a rare primary cystic tumor of the atrioventricular node, in which CMR proved to be valuable.

2004
A. Nijhuis H. H. J. ten Kate

AC losses in cables carrying dc as well as ac transport currents at different dc background fields up to 2T have been measured on three types of Nb,Sn subcables in a new test facility. In this facility it is possible to apply sinusoidal transverse ac fields up to dBldMTls and longitudinal ac fields up to Wdt-JOTls separately and simultaneously. The ac loss is measured with a calorimetric method...

Journal: :Nano letters 2013
Jeong Ho Mun Yun Hee Chang Dong Ok Shin Jong Moon Yoon Dong Sung Choi Kyung-Min Lee Ju Young Kim Seung Keun Cha Jeong Yong Lee Jong-Ryul Jeong Yong-Hyun Kim Sang Ouk Kim

Nanoscale alloys attract enormous research attentions in catalysis, magnetics, plasmonics and so on. Along with multicomponent synergy, quantum confinement and extreme large surface area of nanoalloys offer novel material properties, precisely and broadly tunable with chemical composition and nanoscale dimension. Despite substantial progress of nanoalloy synthesis, the randomized positional arr...

2016
Meng Zhang Zhongjia Huang Xiao Wang Hongyu Zhang Taohai Li Zhaolong Wu Youhua Luo Wei Cao

The inorganic layered crystal (ILC) MoS2 in low dimensions is considered as one of the most promising and efficient semiconductors. To enable the magnetism and keep intrinsic crystal structures, we carried out a first-principles study of the magnetic and semiconductive monolayer MoS2 adsorbed with the Mnn (n = 1-4) clusters, and bilayer MoS2 intercalated with the same clusters. Geometric optimi...

Journal: :Dalton transactions 2016
Min Ren Zhong-Li Xu Ting-Ting Wang Song-Song Bao Ze-Hua Zheng Zai-Chao Zhang Li-Min Zheng

A pair of enantiopure mononuclear dysprosium/salen-type complexes (Et3NH)[Dy((R,R)/(S,S)-3-NO2salcy)2] (/), where 3-NO2salcyH2 represents N,N'-(1,2-cyclohexanediylethylene)bis(3-nitrosalicylideneiminato), are reported. The enantiomer contains two crystallographically independent dysprosium(iii) ions, each chelated by two enantiopure 3-NO2salcy(2-) ligands forming a [DyN4O4] core. Detailed magne...

Journal: :Soft matter 2016
Crystal E Owens C Wyatt Shields Daniela F Cruz Patrick Charbonneau Gabriel P López

The precise arrangement of microscopic objects is critical to the development of functional materials and ornately patterned surfaces. Here, we present an acoustics-based method for the rapid arrangement of microscopic particles into organized and programmable architectures, which are periodically spaced within a square assembly chamber. This macroscale device employs two-dimensional bulk acous...

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