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Search Publications by: Jeffrey W Lynn (Fed)

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Displaying 76 - 100 of 289

Absence of Magnetic Ordering in the Spin Liquid Candidate Ca 3 Cu 2 GeV 2 O 12

December 27, 2019
Author(s)
Joey A. Lussier, Brooke N. Richtik, Cole Mauws, Jeffrey W. Lynn, Chris R. Wiebe
Typically, quantum spin liquid candidates can be found in materials with a combination of geometrical frustration along with low spin. Due to its spin of S=1/2 the copper (II) ion is often present in the discussion on spin liquid candidates. The solid

Spin Rotation Induced by Applied Pressure in Cd-Doped Ce 2 RhIn 8 Intermetallic Compound

October 21, 2019
Author(s)
D. S. Christovam, C. Giles, L. Mendonca-Ferreira, Juscelino Leao, William D. Ratcliff, Jeffrey W. Lynn, S. Ramos, E. N. Hering, H. Hidaka, E. Baggio-Saitovich, Z. Fisk, P. G. Pagliuso, C. Adriano
The pressure evolution of the magnetic properties of the Ce 2RhIn 7.79Cd 0.21 heavy fermion compound was investigated by single crystal neutron magnetic diffraction and electrical resistivity experiments under applied pressure. From the neutron magnetic

Tunable Multiferroic Order Parameters in Sr 1-x Ba x Mn 1-y Ti y O 3

August 1, 2019
Author(s)
Kamal Chapagain, Dennis E. Brown, Stanislaw Kolesnik, Saul Lapidus, Bianca Haberl, Jamie Molaison, Chuanlong Lin, Curtis Kenney-Benson, Changyong Park, Jaroslaw Pietosa, Ewa Markiewicz, Bartlomiej Andrzejewski, Jeffrey W. Lynn, Stephan Rosenkranz, Bogdan Dabrowski, Omar Chmaissem
Responding to the rapidly increasing demand for efficient energy usage and increased speed and functionality of electronic and spintronic devices, multiferroic oxides have recently emerged as key materials capable of tackling this multifacted challenge. In

Observation of Plasmon-Phonons in a Metamaterial Superconductor using Inelastic Neutron Scattering

July 24, 2019
Author(s)
Vera N. Smolyaninova, Jeffrey W. Lynn, Nicholas Butch, Heather H. Chen-Mayer, Joseph C. Prestigiacomo, M. S. Osofsky, Igor I. Smolyaninov
Recent experiments have demonstrated that the metamaterial approach is capable of drastically increasing the critical temperature, T c, of composite metal-dielectric epsilon near zero (ENZ) metamaterial superconductors. For example, a tripling of the

Singular Angular Magnetoresistance in a Magnetic Nodal Semimetal

June 26, 2019
Author(s)
T. Suzuki, L. Savary, J.-P. Liu, Jeffrey W. Lynn, L. Balents, J. G. Checkelsky
Transport coefficients are incisive experimental probes of the low energy, long wavelength properties of correlated electron systems often useful for mapping hidden phases with distinct symmetries. Here we report a new transport signature of spontaneous

Coexistence of Ferromagnetic and Stripe-Type Antiferromagnetic Spin Fluctuations in YFe 2 Ge 2

May 31, 2019
Author(s)
Hongliang Wo, Qisi Wang, Yao Shen, Xiaowen Zhang, Yiqing Hao, Yu Feng, Shoudong Shen, Zheng He, Bingying Pan, Wenbin Wang, K. Nakajima, S. Ohira-Kawamura, P. Steffens, M. Boehm, K. Schmalzl, T. R. Forrest, M. Matsuda, Yang Zhao, Jeffrey W. Lynn, Zhiping Yin, Jun Zhao
We report neutron scattering measurments of single-crystalline YFe 2Ge 2 in the normal state, which has the same crystal structure to the 122 family of iron pnictide superconductors. YFe 2Ge 2 does not exhibit long range magnetic order, but exhibits strong

Magnetic Order Effects on the Electronic Structure of KMMnSd2^ (M=Cu,Li) with the ThCr 2 Si 2 -Type Structure

April 30, 2019
Author(s)
Austin Virtue, Xiuquan Zhou, Brandon Wilfong, Jeffrey W. Lynn, Keith Taddei, Peter Zavalij, Limin Wang, Efrain E. Rodriguez
We propose three magnetic structures for KCuMnS^26 with the ThCr 2Si 2-type structure. Powder samples of KCuMnS 2 and KLiMnS 2 were prepared for structural studies and magnetization measurements. In both compounds, the Mn 2+ site is alloyed by either Cu +

Low-Carrier Density and Fragile Magnetism in a Kondo Lattice System

February 12, 2019
Author(s)
Binod K. Rai, Iain W. H. Oswald, Wenjing Ban, C.-L. Huang, V. Loganathan, A. M. Hallas, M. N. Wilson, G. M. Luke, Leland Harriger, Qingzhen Huang, Y. Li, Sami Dzsaber, Julia Y. Chan, N. L. Wang, Silke Paschen, Jeffrey W. Lynn, Andriy H. Nevidomskyy, Pengcheng Dai, Q. Si, E. Morosan
Known low carrier Kondo systems evolve from metallic non-magnetic analogues, while a recent theoretical model for the dilute carrier Kondo limit predicts semimetallic behavior. Very few 4f low carrier Kondo systems have been reported, mostly based on Ce

High Temperature Singlet-Based Magnetism from Hund's Rule Correlations

February 7, 2019
Author(s)
Lin Miao, Rourav Basak, Sheng NMN Ran, Yishuai Xu, Erica Kotta, Haowei He, Jonathan D. Denlinger, Yi-De Chuang, Yang Zhao, Zhijun Xu, Jeffrey W. Lynn, J. R. Jeffries, Shanta Ranjan Saha, Ioannis Giannakis, Pegor Aynajian, Chang-Jong Kang, Yilin Wang, Gabriel Kotliar, Nicholas Butch, L. Andrew Wray
Novel electronic phenomena frequently form in heavy fermions as a consequence of the mutual nature of localization and itineracy of f-electrons. On the magnetically ordered side of the heavy fermion phase diagram, f-moments are expected to be localized and