Results 201 to 210 of about 7,335 (259)

Multifunctional Superparamagnetic Janus Particles

Langmuir, 2009
In this study, we report the microfluidic-based synthesis of a multifunctional Janus hydrogel particle with anisotropic superparamagnetic properties and chemical composition for the bottom-up assembly of hydrogel superstructures. In a uniform magnetic field, the resulting Janus magnetic particles fabricated in the present method exhibit chainlike or ...
Kai P, Yuet, Dae Kun, Hwang, Ramin, Haghgooie, Patrick S, Doyle   +3 more
openaire   +2 more sources

Superparamagnetic enhancement of thermoelectric performance

Nature, 2017
The ability to control chemical and physical structuring at the nanometre scale is important for developing high-performance thermoelectric materials. Progress in this area has been achieved mainly by enhancing phonon scattering and consequently decreasing the thermal conductivity of the lattice through the design of either interface structures at ...
Wenyu, Zhao, Zhiyuan, Liu, Zhigang, Sun, Qingjie, Zhang, Ping, Wei, Xin, Mu, Hongyu, Zhou, Cuncheng, Li, Shifang, Ma, Danqi, He, Pengxia, Ji, Wanting, Zhu, Xiaolei, Nie, Xianli, Su, Xinfeng, Tang, Baogen, Shen, Xiaoli, Dong, Jihui, Yang, Yong, Liu, Jing, Shi   +19 more
openaire   +2 more sources

Transition in spin dependent transport from superparamagnetic-superparamagnetic to superparamagnetic-ferromagnetic in sputtered Cu100–xCox granular films

Journal of Applied Physics, 2012
The transition in the spin-dependent transport from superparamagnetic-superparamagnetic (SPM-SPM) to superparamagnetic-ferromagnetic (SPM-FM) in room temperature co-sputtered granular Cu100−xCox (x = 15.1–30.9 at. %) thin films is tracked by varying the cobalt concentration.
Dinesh Kumar, Sujeet Chaudhary, Dinesh K. Pandya   +2 more
openaire   +1 more source

Coexistence of superparamagnetism and superspin glass in non-stoichiometric Zn0.5Ca0.5Fe2O4 nanoferrite

Journal of Magnetism and Magnetic Materials, 2023
S. Tiwari, Ganesh Lal Data analysis, Himani Bhoi, Khushboo Punia, Sher Singh Meena, Sudhish Kumar   +5 more
semanticscholar   +1 more source

Conjugative electrospinning towards Janus-type nanofibers array membrane concurrently displaying dual-functionality of improved red luminescence and tuneable superparamagnetism

Journal of Materials Science: Materials in Electronics, 2022
H. Qi, Guoyi Wang, Qianli Ma, Dan Li, Xiang-ting Dong, Wensheng Yu, Jinxian Wang, Guixia Liu, Xuejian Zhang   +8 more
semanticscholar   +1 more source

Nickel ferrite magnetic nanoparticles: evidence for superparamagnetism in smaller size particles

Journal of the Australian Ceramic Society, 2022
P. Priyadharshini, P. A. Shobika, P. Monisha, S. Gomathi, K. Pushpanathan   +4 more
semanticscholar   +1 more source

Magnetocaloric effect in superparamagnets

Journal of Magnetism and Magnetic Materials, 1992
The magnetocaloric effect is calculated for superparamagnetic materials as a function of temperature, field and cluster size. Assuming classical behavior, a universal curve is calculated from which an optimum cluster moment may be found for maximum entropy change upon application of a given field H at a given temperature T. Quantum effects are shown to
R.D. McMichael, R.D. Shull, L.J. Swartzendruber, L.H. Bennett, R.E. Watson   +4 more
openaire   +1 more source

Rigid dysprosium( III ) single‐molecule magnets exhibit preserved superparamagnetism in solution

Chinese journal of chemistry, 2021
Xia Ding, Qianfu Luo, Yuan‐Qi Zhai, Xufeng Zhang, Yi Lv, Xinliang Zhang, Chao Ke, Chao Wu, Yanzhen Zheng   +8 more
semanticscholar   +1 more source

Electrical control of superparamagnetism

Applied Physics Express, 2016
Abstract The electric field control of superparamagnetism is realized using a Cu/Ni system, in which the deposited Ni shows superparamagnetic behavior above the blocking temperature. An electric double-layer capacitor (EDLC) with the Cu/Ni electrode and a nonmagnetic counter electrode is fabricated to examine the electric field effect on
Kihiro T. Yamada, Tomohiro Koyama, Haruka Kakizakai, Kazumoto Miwa, Fuyuki Ando, Mio Ishibashi, Kab-Jin Kim, Takahiro Moriyama, Shimpei Ono, Daichi Chiba, Teruo Ono   +10 more
openaire   +1 more source

Plasmonic Gold−Superparamagnetic Hematite Heterostructures

Langmuir, 2011
Bifunctional heterostructures composed of gold nanorods and hematite nanoparticle aggregates are prepared facilely through the hydrothermal decomposition of ferric acetylacetonate on the surface of the nanorods. The gold nanorod in the heterostructure is partially coated with the hematite nanoparticle aggregates. The hematite coating is porous.
Ngai, To, Bao, Zhihong, Li, Zifu, Sun, Zhenhua, Tian, Linwei, Wang, Jianfang   +5 more
openaire   +4 more sources