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Search Publications by: Jeffrey W Lynn (Fed)

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Displaying 1 - 25 of 132

Incommensurate Magnetic Orders and Possible Topological Hall Effect in the Square-Net Centrosymmetric EuGa 2 Al 2 System

July 7, 2022
Author(s)
Jaime Moya, Shiming Lei, Eleanor Clements, Caitlin Kengle, Stella Sun, Kevin Allen, Qizhi Li, Y. Peng, Ali Husain, Matteo Mitrano, Matthew Krogstad, Raymond Osborn, Anand Puthirath, Songxue Chi, Lisa Debeer-Schmitt, Jonathan N. Gaudet, P. Abbamonte, Jeffrey Lynn, E. Morosan
Neutron diffraction on the centrosymmetric square-net magnet EuGa2Al2 reveals multiple incommensurate magnetic states (AFM1,2,3) in zero field. In applied field, a new magnetic phase (A) is identified from magnetization and transport measurements, bounded

Effect of Iron Vacancies on Magnetic Order and Spin Dynamics of the Spin Ladder BaFe 2-d S 1.5 Se 1.5

June 13, 2022
Author(s)
Zengjia Liu, Xiao-Sheng Ni, Lisi Li, Hualei Sun, Feixiang Liang, Benjamin Frandsen, Andrew D. Christianson, Clarina dela Cruz, Zhijun Xu, Dao-Xin Yao, Jeffrey Lynn, Robert J. Birgeneau, Kun Cao, Meng Wang
Quasi-one-dimensional iron chalcogenides possess various magnetic states depending on the lattice distortion, electronic correlations, and presence of defects. We present neutron diffraction and inelastic neutron scattering experiments on the spin ladder

Topological Phase Transition and Charge-Spin Coupling in the Kagome Metal YMn 6 Sn 6

March 15, 2022
Author(s)
Peter E. Siegfried, Hari Bhandari, David C. Jones, Madhav P. Ghimire, Rebecca Dally, Lekh Poudel, Markus Bleuel, Jeffrey Lynn, Igor I. Mazin, Nirmal J. Ghimire
The Fermi surface (FS) is essential for understanding the properties of metals. It can change under both conventional symmetry-breaking phase transitions and Lifshitz transitions (LTs), where the FS, but not the crystal symmetry, changes abruptly. Magnetic

Dynamically Preferred State with Strong Electronic Fluctuations from Electrochemical Synthesis of Sodium Manganate

February 2, 2022
Author(s)
Xi Chen, Yichao Wang, Yiping Wang, Rebecca Dally, Kamila Wiaderek, Tianyu Qiao, Jue Liu, Enyuan Hu, Kenneth Burch, Jeffrey W. Lynn, Xin Li
Electrochemical (de-)intercalation is a delicate method to precisely control the alkaline ion composition in alkaline transition metal oxides. Due to the interactions among alkaline ions, and with metal oxide layers, alkaline and transition metal charge

Universal Dynamics of Magnetic Monopoles in Two-Dimensional Kagome Ice

December 15, 2021
Author(s)
Hiroshi Takatsu, Kazuki Goto, Taku J. Sato, Jeffrey W. Lynn, Kazuyuki Matsubayashi, Yoshiya Uwatoko, Ryuji Higashinaka, Kazuyuki Matsuhira, Zenji Hiroi, Hiroaki Kadowaki
A magnetic monopole in spin ice is a novel quasiparticle excitation in condensed matter physics, and we found that the AC frequency dependent magnetic susceptibility X(ω) in the two-dimensional (2D) spin ice (so-called kagome ice) of Dy2Ti2O7 shows a

Phase Diagram of YbZnGaO 4 in Applied Magnetic Field

September 15, 2021
Author(s)
William Steinhardt, P. A. Maksimov, Sachith Dissanayake, Zhenzhong Shi, Nicholas Butch, David Graf, Andrey Podlesnyak, Yaohua Liu, Yang Zhao, Guangyong Xu, Jeffrey Lynn, Casey Marjerrison, A. L. Chernyshev, Sara Haravifard
Recently, Yb-based triangular lattice antiferromagnets have garnered significant interest as possible quantum spin liquid candidates. One example is YbMgGaO4, which showed many promising spin liquid features, but also possesses a high degree of disorder

Magnetic Ordering and Structural Distortion in PrFeAsO Single Crystal Studied by Neutron and X-ray Scattering

May 5, 2021
Author(s)
M. G. Kim, William D. Ratcliff, D. M. Pajerowski, J.-W. Kim, J.-Q. Yan, Jeffrey W. Lynn, A. I. Goldman, A. Kreyssig
We report the magnetic ordering and structural distortion in PrFeAsO crystals, the basis compound for one of the oxypnictide superconductors, using high-resolution x-ray diffraction, neutron diffraction, and x-ray resonant magnetic scattering (XRMS). We

Isotropic Nature of the Metallic Kagome Ferromagnet Fe 3 Sn 2 at High Temperatures

March 20, 2021
Author(s)
Rebecca Dally, Daniel Phelan, Nicholas Bishop, Nirmal J. Ghimire, Jeffrey Lynn
Anisotropy and competing exchange interactions have emerged as two central ingredients needed for centrosymmetric materials to exhibit topological spin textures. Fe3Sn2 is thought to have these ingredients as well, as it has recently been discovered to

Chiral Properties of the Zero-Field Spiral State and Field-Induced Magnetic Phases of the Itinerant Kagome Metal YMn 6 Sn 6

March 8, 2021
Author(s)
Rebecca Dally, Jeffrey W. Lynn, Nirmal J. Ghimire, Dina Michel, Peter Siegfried, Igor I. Mazin
Applying a magnetic field in the hexagonal plane of YMn6Sn6 leads to a complex magnetic phase diagram of commensurate and incommensurate phases, one of which coexists with the topological Hall effect (THE) generated by a unique fluctuation-driven mechanism

Charge Transfer Enhanced Magnetic Correlations in Type-II Multiferroic Co 3 TeO 6

March 1, 2021
Author(s)
Chi-Hung Lee, Erdembayalag Batsaikhan, Ma-Hsuan Ma, Wen-Hsien Li, Chin-Wei Wang, Chun-Min Wu, Hung-Duen Yang, Jeffrey W. Lynn, Helmuth Berger
Magnetic structure of the Co ions in monoclinic Co3TeOd6^ in the antiferroelectric state at 16 K has been determined by neutron powder together with single crystal diffractions. The indices of the magnetic reflections that appear at the incommensurate

Field-Tuned Magnetic Structure and Phase Diagram of the Honeycomb Magnet YbCl 3

March 1, 2021
Author(s)
Yiqing Hao, Hongliang Wo, Yimeng Gu, Xiaowen Zhang, YiQing Gu, ShiYi Zheng, Yang Zhao, Guangyong Xu, Jeffrey W. Lynn, Naoki Murai, Wenbin Wang, Jun Zhao
We report thermodynamic and neutron diffraction measurements on the magnetic ordering properties of the honeycomb lattice magnet YbCl3. We find YbCl3 exhibits a Neel type long-range magnetic order at the wavevector (0,0,0) below TN = 600 mK. This magnetic

Evolution of the Magnetic Properties in the Antiferromagnet Ce 2 RhIn 8 Simultaneously Doped with Cd and Ir

November 20, 2020
Author(s)
D. S. Christovam, G. S. Freitas, M. M. Piva, J. C. Souza, M. O. Malcolms, O. L. Canton, Juscelino Leao, William D. Ratcliff, Jeffrey W. Lynn, C. Adriano, P. G. Pagliuso
We report the evolution of the magnetic properties of Ce2Rh1−xIrxIn8−yCdy single crystals. In particular, for Ce2Rh0.5Ir0.5In8 (TN = 2.0 K) and Ce2Rh0.5Ir0.5In7.79Cd0.21 (TN = 4.2 K), we have solved the magnetic structure of these compounds using single

Magnetic Order and Competition with Superconductivity in (Ho-Er)Ni 2 B 2 C

November 20, 2020
Author(s)
Suleyman Gundogdu, J. P. Clancy, Guangyong Xu, Yang Zhao, Paul A. Dube, Tufan C. Karalar, Beong K. Cho, Jeffrey W. Lynn, M. Ramazanoglu
The rare earth magnetic order in pure and doped Er(1−x)HoxNi2B^2^C (x = 0, 0.25, 0.50, 0.75, 1) single crystal samples was investigated using magnetization and neutron diffraction measurements. Superconducting quaternary borocarbides, RNi2B2C where R = Er

In-plane Uniaxial Pressure-Induced Out-of-Plane Antiferromagnetic Moment and Critical Fluctuations in BaFe 2 As 2

November 12, 2020
Author(s)
Panpan Liu, Mason L. Klemm, Long Tian, Xingye Lu, Yu Song, David W. Tam, Karin Schmalzl, J. T. Park, Yu Li, Guotai Tan, Yixi Su, Frederic Bourdarot, Yang Zhao, Jeffrey W. Lynn, Robert J. Birgeneau, Pengcheng Dai
A small in-plane external uniaxial pressure has been widely used as an effective method to acquire single domain iron pnictide BaFe2As2, which exhibits twin-domains without uniaxial strain below the tetragonal-to-orthorhombic structural (nematic)

Tuning the Crystalline Electric Field and Magnetic Anisotropy along the CeCuBi 2-x Sb x Series

October 20, 2020
Author(s)
G. S. Freitas, M. M. Piva, R. Grossi, C. B. Jesus, J. C. Souza, D. S. Christovam, Jr. Oliveira, Juscelino Leao, C. Adriano, Jeffrey W. Lynn, P. G. Pagliuso
We have performed X-ray powder diffraction, magnetization, electrical resistivity, heat capacity and inelastic neutron scattering (INS) to investigate the physical properties of the intermetallic series of compounds CeCuBi2−xSbx. These compounds

Synthesis and Characterization of Bulk Nd 1-x Sr x NiO 2 and Nd 1-x Sr x NiO 3

August 21, 2020
Author(s)
Bi-Xia Wang, Hong Zheng, E. Krivyakina, Omar Chmaissem, Pietro Papa Lopes, Jeffrey W. Lynn, Leighanne C. Gallington, Y. Ren, S. Rosenkranz, J. F. Mitchell, D. Phelan
The recent reports of superconductivity in Nd1-xSrxNiO2/SrTiO3 heterostructures have reinvigorated interest in potential superconductivity of low-valence nickelates. Synthesis of Ni1+ -containing compounds is notoriously difficult. In the current work, a

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

July 7, 2020
Author(s)
Rebecca L Dally, William D. Ratcliff, Lunyong Zhang, Heung-Sik Kim, Markus NMN Bleuel, J. W. Kim, Kristjan Haule, David Vanderbilt, Sang-Wook Cheong, Jeffrey W. Lynn
We have carried out neutron diffraction and small angle neutron scattering measurements on a high quality single crystal of the cubic lacunar spinel multiferroic, GaV4S8, as a function of magnetic field and temperature to determine the magnetic form factor

Electronic and Magnetic Properties of Stoichiometric CeAuBi 2

June 18, 2020
Author(s)
M. M. Piva, R. Tartaglia, G. S. Freitas, J. C. Souza, D. S. Christovam, S. M. Thomas, Juscelino Leao, William D. Ratcliff, Jeffrey W. Lynn, C. Lane, J.-X Zhu, J. D. Thompson, P. F. S. Rosa, C. Adriano, E. Granado, P. G. Pagliuso
We report the electronic and magnetic properties of stoichiometric CeAuBi2 single crystals. At ambient pressure, CeAuBi2 orders antiferromagnetically below a Neel temperature (TN ) of 19 K. Neutron diffraction experiments revealed an antiferromagnetic

Structural, Magnetic, and Electronic Evolution of the Spin-Ladder System BaFe 2 S 3-x Se x with Isoelectronic Substitution

June 12, 2020
Author(s)
Jia Yu, Meng Wang, Benjamin A. Frandsen, Hualei Sun, Junjie Yin, Zengjia Liu, Shan Wu, Ming Yi, Zhijun Xu, Arani Acharya, Qingzhen Huang, Edith Bourret-Courchesne, Jeffrey W. Lynn, Robert J. Birgeneau
We report experimental studies of a series of BaFe2S3-xSex (0less than or equal to}xless than or equal to}3) single crystals and powder specimens using x-ray diffraction, neutron diffraction, muon spin relaxation, and electrical transport measurements. A

Topological Singularity Induced Chiral Kohn Anomaly in a Weyl Semimetal

June 11, 2020
Author(s)
Thanh Nguyen, Fei Han, Nina Andrejevic, Ricardo Pablo-Pedro, Anju Apte, Yoichiro Tsurimaki, Zhiwei Ding, Kunyan Zhang, Ahmet Alatas, Ercan E. Alp, Songxue Chi, Jaime Fernandez-Baca, Masaaki Matsuda, David Alan Tennant, Yang Zhao, Zhijun Xu, Jeffrey W. Lynn, Shengxi Huang, Mingda Li
The electron-phonon interaction (EPI) is instrumental in a wide variety of phenomena in solid state physics, such as electrical resistivity in metals [1], carrier mobility, optical transition and polaron effects in semiconductors [2,3], lifetime of hot