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Displaying 2651 - 2675 of 3758

Strong Ferromagnetism Achieved via Breathing Lattices in Atomically Thin Cobaltites

January 27, 2021
Author(s)
Sisi Li, Qinghua Zhang, Shan Lin, Xiahan Sang, Ryan F. Need, Manuel A. Roldan, Wenjun Cui, Zhiyi Hu, Qiao Jin, Shuang Chen, Jiali Zhao, Jia-Ou Wang, Jiesu Wang, Meng He, Chen Ge, Can Wang, Hui-Bin Lu, Zhenping Wu, Haizhong Guo, Xin Tong, Tao Zhu, Brian Kirby, Lin Gu, Kui-juan Jin, Er-Jia Guo
Low-dimensional quantum materials that retain strong ferromagnetism down to monolayer thickness hold great potential for spintronic applications. However, ferromagnetism in the transition metal oxides decays severely when the thickness is scaled to the

Magnetic Phase Transitions and Spin Density Distribution in the Molecular Multiferroic System GaV 4 S 8

July 6, 2020
Author(s)
Rebecca Dally, William Ratcliff, Lunyong Zhang, Heung-Sik Kim, Markus Bleuel, J. W. Kim, Kristjan Haule, David Vanderbilt, Sang-Wook Cheong, Jeffrey Lynn
… ground state with an ordered moment of 0.23(1) υB per V ion. The Bragg intensities for a series of peaks in the … unit, rather than residing on the single apical V ion. In the magnetically ordered state, polarized neutron …

Atom probe tomography evaporation behavior of C-axis GaN nanowires: Crystallographic, stoichiometric, and detection efficiency aspects

November 13, 2013
Author(s)
Norman A. Sanford, David R. Diercks, Brian Gorman, R Kirchofer, Kristine A. Bertness, Matthew D. Brubaker
The field evaporation behavior of c-axis GaN nanowires was explored in two different laser-pulsed atom probe tomography (APT) instruments. Transmission electron microscopy imaging before and after atom probe tomography analysis was used to assist in

Nist-Led International Collaboration Results in Improved Measurement Technology for Light Stable Isotopes Relevant to Climate Change Research

March 1, 2003
Author(s)
R M. Verkouteren
… spectrometers.These biases arise from memory effects in ion sourcesand affect the reliability and comparability of … to testnew focusing plates and slits in the NIST ion sourceand in an identical instrument at the … material value assignments.02The newly engineered ion source is incorporated in theisotope ratio instruments, …

Spot Test Kits for Detecting Lead in Household Paint: A Laboratory Evaluation

May 1, 2000
Author(s)
Walter J. Rossiter Jr, M Vangel, M E. McKnight, G Dewalt
… study, four test kits were based on the reaction of lead ion with sulfide ion to produce a gray or black color, whereas four others were based on the reaction of lead ion with rhodizonate ion to give a pink or red color. These …

Magnetic-Field-Induced Dielectric Anomalies in Cobalt-Containing Garnets

April 11, 2022
Author(s)
Abbey J. Neer, Joanna Milam-Guerrero, Veronika A. Fischer, Michelle Zheng, Nicole R. Spence, Clayton Cozzan, Mingqiang Gu, James M. Rondinelli, Craig Brown, Brent C. Melot
We present a comparative study of the magnetic and crystal chemical proper-ties of two Co 2+ containing garnets.CaY 2Co 2Ge 3O 12 and NaCa 2Co 2V 3O 12 both exhibit the onset of antiferromagnetic order at 8 K and 6 K as well as field-induced transitions

Micelle size effect on Fe-55 Liquid Scintillation Efficiency

December 1, 2013
Author(s)
Denis E. Bergeron, Lizbeth Laureano-Perez
We used efficiency tracing techniques to study the micelle size effect on liquid scintillation counting of the low-energy Auger electron emitter, 55Fe. We determined micelle hydrodynamic diameters for specific LS cocktails via dynamic light scattering, and

Laser Transition Probabilities in Xe I

July 1, 2006
Author(s)
Abhijit Dasgupta, J P. Apruzes, O Zatsarinny, K Bartschat, Charlotte F. Fischer
The atomic xenon laser is among the most efficient and powerful of the near-infrared gas lasers, especiallywhen pumped by molecular ions in an Ar-Xe mixture. Accurate transition probabilities for the laser transitionsare critical in developing a
Displaying 2651 - 2675 of 3758
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