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Displaying 1851 - 1875 of 3361

Quantum Critical Behavior in Ce(Fe 0.76 Ru 0.24 ) 2 Ge 2

May 7, 2019
Author(s)
Wouter Montfrooij, Tom Heitmann, Yiming Qiu, Shannon M. Watson, Ross Erwin, Wangchun Chen, Yang Zhao, Meigan Aronson, Yingkai Huang, Anne de Visser
Systems with embedded magnetic ions that exhibit a competition between magnetic order and disorder down to absolute zero can display unusual low temperature behaviors of the resistivity, hyperscaling behavior in which the relaxation back to equilibrium

Methods for preparation and detection of neutron spin-orbit states

October 10, 2018
Author(s)
Michael G. Huber, D. Sarenac, J. Nsofini, I. Hincks, David Cory, Muhammad D. Arif, Charles W. Clark, D. A. Pushin
The generation and control of neutron orbital angular momentum (OAM) states and spin correlated OAM (spin-orbit) states provides a powerful probe of materials with unique penetrating abilities and magnetic sensitivity. We describe techniques to prepare and

Controlling the Self-Assembly of Metal-Seamed Organic Nanocapsules

January 3, 2012
Author(s)
Harshita Kumari, Andrew V. Mossine, Steven R. Kline, Cindi L. Dennis, Drew A. Fowler, Simon J. Teat, Charles L. Barnes, Carol A. Deakyne, Jerry L. Atwood
Puzzling out the intricacies associated with formation of supramolecular structures provides insight into and control of the self-assembly process. Such control may allow tailoring of these structures for specific applications. Herein we report the results

Stable 85 Rb Bose-Einstein Condensates With Widely Tunable Interactions

August 1, 2000
Author(s)
S L. Cornish, N R. Claussen, J L. Roberts, Eric A. Cornell, C E. Wieman
Bose-Einstein condensation has been achieved in a magnetically trapped sample of 85Rb atoms. Long-lived condensates of up to 10 4 atoms have been produced by using a magnetic-field-induced Feshbach resonance to reverse the sign of the scattering length

Scanning Electron Microscopy with Polarization Analysis (SEMPA)

January 1, 1997
Author(s)
John Unguris, M Scheinfein, Michael H. Kelley, A Gavrin, Robert Celotta, Daniel T. Pierce
Scanning Electron Microscopy with Polarization Analysis (SEMPA) is a technique for the high spatial resolution imaging of magnetic microstructure. It employs a Scanning Electron Microscope (SEM) to create a finely focused electron beam on the surface of a

Nature of Decahydro-Closo-Decaborate Anion Reorientations in an Ordered Alkali-Metal Salt: Rb 2 B 10 H 10

July 12, 2018
Author(s)
Mirjana NMN Dimitrievska, Vitalie Stavila, Alexei V. Soloninin, Roman V. Skoryunov, Olga A. Babanova, Hui Wu, Wei Zhou, Wan Si Tang, Antonio Faraone, Jacob Daniel Tarver, Benjamin Trump, Alexander V. Skripov, Terrence J. Udovic
The ordered monoclinic phase of the alkali-metal decahydro-closodecaborate salt Rb 2B 10H 10 was found to be stable from about 250 K all the way up to an order-disorder phase transition temperature of approximately equal} 762 K. The broad temperature range

Disorder-Induced Spin Excitation Continuum and Spin-Glass Ground State in the Inverse Spinel CuGa2O4

July 10, 2025
Author(s)
Zhentao Huang, Zhijun Xu, Shuaiwei Li, Qingchen Duan, Junbo Liao, Song Bao, Yanyan Shangguan, Bo Zhang, Hao Xu, Shufan Cheng, Zihang Song, Shuai Dong, Maofeng Wu, M. B. Stone, Yiming Qiu, Ruidan Zhang, Guangyong Xu, Zhen Ma, G. Gu, J. Tranquada, Jinsheng Wen
Spinel-structured compounds serve as prototypical examples of highly frustrated systems and are promising candidates for realizing the long-sought quantum spin liquid (QSL) state. However, structural disorder is inevitable in many real QSL candidates and

Multiferroic Quantum Material Ba2Cu1-xMnxGe2O7(O?x?1) as a Potential Candidate for Frustrated Heisenberg Antiferromagnet

July 30, 2024
Author(s)
Henrik Thoma, Rajesh Dutta, Vladimir Hutanu, Veronica Granata, Rosalba Fittipaldi, Qiang Zhang, Jeffrey Lynn, Petr Cermak, Nazir Khan, Shibabrata Nandi, Manuel Angst
Multiferroic Ba2CuGe2O7 was anticipated as a potential member of the exciting group of materials hosting a skyrmion or vortex lattice because of its profound Dzyaloshinskii–Moriya interaction (DMI) and the absence of single ion anisotropy (SIA). This phase

A microfabricated photonic magnetometer

October 26, 2008
Author(s)
Jan Preusser, Vladislav Gerginov, Svenja A. Knappe, John E. Kitching
An integrated optically-controlled sensor, suitable for remote, high-sensitivity detection of magnetic fields is presented. The sensor head is free of electrical currents or metal parts, therefore eliminating distortion of the magnetic fields to be

Zeeman Split Kramers Doublets in Spin-Supersolid Candidate Na2BaCo(PO4)2

April 3, 2025
Author(s)
T. Popescu, N. Gora, F. Demmel, Z. Xu, R. Zhong, T. Williams, R. Cava, Guangyong Xu, C. Stock
Na2BaCo(PO4)2 is a triangular antiferromagnet that displays highly efficient adiabatic demagnetization cooling [Junsen Xiang et al., Nature (London) 625, 270 (2024)] near a quantum critical point at μ0Hc ∼ 1.6 T, separating a low-field magnetically

ON THE DEVELOPMENT OF AN OPTICAL RUBIDIUM VECTOR ATOMIC MAGNETOMETER

July 16, 2023
Author(s)
Ying-Ju Wang, John Kitching, Isaac Fan, Yang Li
The precise measurement of magnetic fields is a fundamental tool of remote sensing. However, accurately measuring the direction of magnetic fields is challenging with atomic magnetometers. The standard approach of collecting vector measurements involves

Rayleigh-Taylor instability in a binary quantum fluid

August 27, 2025
Author(s)
Ian Spielman, Gretchen Campbell, Stephen Eckel, Yanda Geng, Junheng Tao, Mingshu Zhao, Shouvik Mukherjee
We experimentally investigated the Rayleigh-Taylor instability in an immiscible homogeneous Bose-Einstein condensate (BEC) in different spin states. A magnetic field gradient force pushes two BECs together and induces instability of the interface, leading

Physical Properties of LiMn 2-x MxO 4 (M = Ni, Fe) Sol-Gel Nanopowders

December 15, 2014
Author(s)
E. Talik, L. Lipinska, A. Guzik, Pawel Zajdel, M. Michalska, M. Szubka, M. Kadziolka-Gawel, Rick L. Paul
The Pechini sol-gel method was applied to obtain LiMn 2-xT xO 4 (T=Ni, Fe; x = 0.1 to 0.5) nanopowders. Crystal and electronic structures, chemical composition and magnetic properties of the materials were characterized by X-ray diffraction, XPS, SEM/EDX

The hyperfine Paschen-Back Faraday effect

March 26, 2014
Author(s)
Svenja A. Knappe, M.A. Zentile, Rebecca Andrews, L. Weller, C.S. Adams, I.G. Hughes
… than the hyperfine splitting. We use a small permanent magnet and a micro-fabricated vapour cell, giving magnetic …

Comment on Detection of Microwave Spin Pumping Using the Inverse Spin Hall Effect

January 27, 2014
Author(s)
Thomas J. Silva, Mathias A. Weiler, Hans T. Nembach, Justin M. Shaw
In a recent Letter, Hahn et al. reported on the detection of an ac voltage in a yttrium iron garnet (YIG)/platinum (Pt) bilayer under the condition of parametrically excited resonance. The authors observe an ac voltage at the frequency of the magnetization

Interfacial Coupling in Multiferroic/Ferromagnet Heterostructures

April 30, 2013
Author(s)
M. Trassin, J. D. Clarkson, Samuel R. Bowden, j. Liu, J. T. Heron, R. J. Paull, Elke Arenholz, Daniel T. Pierce, John Unguris
We report local probe investigations of the magnetic interaction between BiFeO3 films and a ferromagnetic Co0.9Fe0.1 layer. Within the constraints of intralayer exchange coupling in the Co0.9Fe0.1, the multiferroic imprint in the ferromagnet results in a

Metal-Insulator Transition Revisited for Cold Atoms in Non-Abelian Gauge Potentials

November 20, 2006
Author(s)
Indubala I. Satija, D C. Dakin, Charles W. Clark
We discuss the possibility of realizing metal-insulator transitions with ultracold atoms in two-dimensional optical lattices in the presence of artificial gauge potentials. Such transitions have been extensively studied for magnetic fields corresponding to

Domain effects in faraday effect sensors based on iron garnets

January 1, 1992
Author(s)
M. N. Deeter
Domain effects in Faraday effect fiber-optic magnetic field sensors which employ thick films and bulk crystals of iron · garnets produce fundamentally different responses. Iron garnet films with uniaxial magnetic anisotropy exhibit domain-induced

Magnetic-Field Effects on the Fragile Antiferromagnetism in YbBiPt

May 23, 2019
Author(s)
B. G. Ueland, A. Kreyssig, E. D. Mun, Jeffrey W. Lynn, Leland Harriger, D. K. Pratt, Karel Prokes, Z. Husges, Rasmus Toft-Petersen, S. Sauerbrei, S. M. Saunders, Y. Furukawa, S. L. Bud'Ko, R.J. McQueeney, P. C. Canfield, A. I. Goldman
… Magnetic-Field Effects on the Fragile Antiferromagnetism in …

Incommensurate Magnetism near Quantum Criticality in CeNiAsO

May 15, 2019
Author(s)
Shan Wu, W. A. Phelan, L. Liu, J. R. Morey, J. A. Tutmaher, J. C. Neuefeind, Ashfia Huq, Matthew B. Stone, M. Feygenson, David W. Tam, Benjamin A. Frandsen, Benjamin Trump, Cheng Wan, S. R. Dunsiger, Tyrel M. McQueen, Y. J. Uemura, Collin L. Broholm
… Incommensurate Magnetism near Quantum Criticality in CeNiAsO …
Displaying 1851 - 1875 of 3361
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