Explanipedia

Incommensurate Transverse Peierls Transition and Signature of Chiral Charge Density Wave in EuAl4 Open

Kaifa Luo, Weizhe Zhang, Xiaoyu Guo, Haoyang Ni, P. M. Lozano , et al. · 2025

In one-dimensional quantum materials, electrons and lattices can undergo a Peierls transition, a translational symmetry-breaking instability traditionally understood through electron coupling to longitudinal acoustic phonons. Recently, thi…

Orientation Control in Epitaxial PdO Thin Films Grown on MgO (001) – Role of Oxygen Chemical Potential Open

Min‐Ju Choi, Krishna Prasad Koirala, Hua Zhou, Mark Bowden, Hyo Ju Park , et al. · 2025

Control of crystal orientations in thin films of functional materials allowsedictive tuning of their strain states, electronic properties, and surface chemical reactivity. Here, conditions for orientation control in epitaxial PdO films are…

Signature of magnetoelectric coupling driven finite momentum pairing in 3D ising superconductor Open

Fazhi Yang, Heda Zhang, Saswata Mandal, Fanbo Meng, G. Fabbris , et al. · 2025

Spectrally sharp magnetic excitations above the critical temperature in a frustrated Weyl semimetal Open

Michael Terilli, Xun Jia, Xiaoran Liu, Pontus Laurell, Ana-Marija Nedić , et al. · 2025

The rare-earth α-pyrochlore iridates are a prospective class of conducting frustrated magnets where electronic correlations, large spin-orbit coupling, and geometrical frustration interplay, leading to a rich set of magnetic and electronic…

Re-investigation of moment direction in a Kitaev material α-RuCl3 Open

Subin Kim, Ezekiel Horsley, C. S. Nelson, Jacob Ruff, Young‐June Kim · 2025

We report x-ray diffraction and resonant elastic x-ray scattering studies on two α -RuCl 3 crystals with distinct magnetic transition temperatures: = 7.3 K and 6.5 K. We find that the sample with = 6.5 K exhibits a high degre…

Shear‐Mediated Stabilization of Spin Spiral Order in Multiferroic NiI2 Open

Yi Tseng, Connor A. Occhialini, Qian Song, Paolo Barone, Sheena K. K. Patel , et al. · 2025

Type‐II multiferroicity from non‐collinear spin order is recently explored in the van der Waals material NiI 2 . Despite the importance for improper ferroelectricity, the microscopic mechanism of the helimagnetic order remains poorly under…

Charge density waves in the 2.5-dimensional quantum heterostructure Open

Fazhi Yang, T. T. Zhang, Fanbo Meng, Hechang Lei, C. S. Nelson , et al. · 2025

Charge density wave (CDW) and their interplay with correlated and topological\nquantum states are forefront of condensed matter research. The 4$H_{b}$-TaS$_2$\nis a CDW ordered quantum heterostructure that is formed by alternative stacking…

Incommensurate Transverse Peierls Transition Open

Fei Yang, Kaifa Luo, Weizhe Zhang, Xiaoyu Guo, W. R. Meier , et al. · 2024

In one-dimensional quantum materials, conducting electrons and the underlying lattices can undergo a spontaneous translational symmetry breaking, known as Peierls transition. For nearly a century, the Peierls transition has been understood…

Tunable Second-Order Structural Transition in As-Deficient MnAs Open

B. D. White, Keke Huang, I. L. Fipps, J. J. Hamlin, Sungho Jang , et al. · 2024

We report measurements of magnetization, specific heat, and thermal expansion performed on As-deficient MnAs single crystals (MnAs$_{0.968}$). Ferromagnetic order is observed near $T_C \simeq$ 306 K on warming and $T_C \simeq$ 302 K on coo…

Incipient nematicity from electron flat bands in a kagomé metal Open

Mingda Li, Nathan C. Drucker, Thanh Nguyen, Manasi Mandal, Phum Siriviboon , et al. · 2024

Engineering new quantum phases requires fine tuning of the electronic, orbital, spin, and lattice degrees of freedom. To this end, kagomé lattice with flat bands has garnered great attention by hosting various topological and correlated ph…

Spontaneous Chirality Flipping in an Orthogonal Spin-Charge Ordered Topological Magnet Open

H. Miao, Juba Bouaziz, G. Fabbris, William R. Meier, Fei Yang , et al. · 2024

The asymmetric distribution of chiral objects with opposite chirality is of great fundamental interest ranging from molecular biology to particle physics. In quantum materials, chiral states can build on inversion-symmetry-breaking lattice…

Re-investigation of Moment Direction in a Kitaev Material $α$-RuCl$_{3}$ Open

Subin Kim, Ezekiel Horsley, C. S. Nelson, Jacob Ruff, Young‐June Kim · 2024

We report X-ray diffraction and resonant elastic X-ray scattering (REXS) studies on two $α$-RuCl$_{3}$ crystals with distinct magnetic transition temperatures: T$_{N}$=7.3K and 6.5K. We find that the sample with T$_{N}$=6.5K exhibits a hig…

Re-investigation of Moment Direction in a Kitaev Material α-RuCl3 Open

Young-june Kim, Subin Kim, Ezekiel Horsley, C. S. Nelson, Jacob Ruff · 2024

We report X-ray diffraction and resonant elastic X-ray scattering (REXS) studies on two α-RuCl3 crystals with distinct magnetic transition temperatures: TN=7.3K and 6.5K. We find that the sample with TN=6.5K exhibits a high degree of struc…

Incipient nematicity from electron flat bands in a kagome metal Open

Nathan C. Drucker, Thanh Nguyen, Manasi Mandal, Phum Siriviboon, Yujie Quan , et al. · 2024

Engineering new quantum phases requires fine tuning of the electronic, orbital, spin, and lattice degrees of freedom. To this end, the kagome lattice with flat bands has garnered great attention by hosting various topological and correlate…

Spontaneous Chirality Flipping in an Orthogonal Spin-Charge Ordered Topological Magnet Open

Hu Miao, Juba Bouaziz, G. Fabbris, W. R. Meier, Fei Yang , et al. · 2023

The asymmetric distribution of chiral objects with opposite chirality is of great fundamental interests ranging from molecular biology to particle physics. In quantum materials, chiral states can build on inversion-symmetry-breaking lattic…

Discovery of Charge Order in the Transition Metal Dichalcogenide Open

Shan Wu, Rourav Basak, W. Li, Jong‐Woo Kim, Philip J. Ryan , et al. · 2023

The Fe intercalated transition metal dichalcogenide (TMD), Fe_{1/3}NbS_{2}, exhibits remarkable resistance switching properties and highly tunable spin ordering phases due to magnetic defects. We conduct synchrotron x-ray scattering measur…

Discovery of Charge Order in the Transition Metal Dichalcogenide Fe$_{x}$NbS$_2$ Open

Shan Wu, Rourav Basak, Wenxin Li, Jong‐Woo Kim, Philip J. Ryan , et al. · 2023

The Fe intercalated transition metal dichalcogenide (TMD), Fe$_{1/3}$NbS$_2$, exhibits remarkable resistance switching properties and highly tunable spin ordering phases due to magnetic defects. We conduct synchrotron X-ray scattering meas…

Topology stabilized fluctuations in a magnetic nodal semimetal Open

Nathan C. Drucker, Thanh Nguyen, Fei Han, Phum Siriviboon, Xi Luo , et al. · 2023

Discovery of conjoined charge density waves in the kagome superconductor CsV3Sb5 Open

Haoxiang Li, G. Fabbris, A. H. Said, Jianping Sun, Yu‐Xiao Jiang , et al. · 2022

High power density soft x-ray GaAs photodiodes with tailored spectral response Open

Dmitri Donetski, Kevin Kucharczyk, Jinghe Liu, Ricardo Lutchman, Steven L. Hulbert , et al. · 2022

GaAs photodiode arrays have been designed for non-destructive monitoring of x-ray beam position in soft coherent beamline front ends in synchrotron light sources. A shallow p-on-n junction was employed to reduce the device photocurrent den…

Polaronic Conductivity in Cr2Ge2Te6 Single Crystals Open

Yu Liu, Myung‐Geun Han, Yongbin Lee, Michael O. Ogunbunmi, Qianheng Du , et al. · 2022

Intrinsic 2D ferromagnetic semiconductors are an important class of materials for spin‐charge conversion applications. Cr 2 Ge 2 Te 6 retains long‐range magnetic order in the bilayer at cryogenic temperatures and shows complex magnetic int…

Vacancy defect control of colossal thermopower in FeSb2 Open

Qianheng Du, Lijun Wu, Huibo Cao, Chang‐Jong Kang, C. S. Nelson , et al. · 2021

Iron diantimonide is a material with the highest known thermoelectric power. By combining scanning transmission electron microscopic study with electronic transport neutron, X-ray scattering, and first principle calculation, we identify at…

Spatial symmetry constraint of charge-ordered kagome superconductor CsV$_3$Sb$_5$ Open

Haoxiang Li, Yu-Xiao Jiang, Jia‐Xin Yin, Sangmoon Yoon, Andrew R. Lupini , et al. · 2021

Elucidating the symmetry of intertwined orders in exotic superconductors is at the quantum frontier. Recent surface sensitive studies of the topological kagome superconductor CsV$_3$Sb$_5$ discovered a cascade 4a$_0$ superlattice below the…

Absence of $4a_0$ superlattice in bulk kagome superconductor CsV$_3$Sb$_5$ Open

Haoxiang Li, Yu-Xiao Jiang, Jia‐Xin Yin, Sangmoon Yoon, Andrew R. Lupini , et al. · 2021

The kagome superconductor AV$_3$Sb$_5$ (A=K, Rb, Cs) is a rare platform to explore the interplay between topology, geometrical frustration and symmetry-breaking orders. In addition to the charge density wave below $T_{CDW}\sim94$~K and sup…

Charge density waves in cuprate superconductors beyond the critical doping Open

H. Miao, G. Fabbris, Robert J. Koch, D. G. Mazzone, C. S. Nelson , et al. · 2021

Erratum to: Comparison of the Absorption Spectra of Nd3+ Ions in the NdFe3(BO3)4, Nd0.5Gd0.5Fe3(BO3)4, and Ho0.75Nd0.25Fe3(BO3)4 Crystals Open

А. L. Sukhachev, A.V. Malakhovskii, C. S. Nelson, И. А. Гудим, V. L. Temerov · 2021

An Erratum to this paper has been published: https://doi.org/10.1134/S1063783421030203

Robust long-range magnetic correlation across antiphase domain boundaries in Open

Bo Yuan, Subin Kim, Sae Hwan Chun, Wentao Jin, C. S. Nelson , et al. · 2021

Anti-site disorder is one of the most important issues that arises in\nsynthesis of double perovskite for spintronic applications. Although it is\nknown that anti-site disorder leads to a proliferation of structural defects,\nknown as the …

Сравнение спектров поглощения ионов Nd-=SUP=-3+-=/SUP=- в кристаллах NdFe-=SUB=-3-=/SUB=-(BO-=SUB=-3-=/SUB=-)-=SUB=-4-=/SUB=-, Nd-=SUB=-0.5-=/SUB=-Gd-=SUB=-0.5-=/SUB=-Fe-=SUB=-3-=/SUB=-(BO-=SUB=-3-=/SUB=-)-=SUB=-4-=/SUB=- и Ho-=SUB=-0.75-=/SUB=-Nd-=SUB=-0.25-=/SUB=-Fe-=SUB=-3-=/SUB=-(BO-=SUB=-3-=/SUB=-)-=SUB=-4-=/SUB=- Open

А. L. Sukhachev, A V Malakhovskii, C. S. Nelson, И. А. Гудим, V. L. Temerov · 2020

Polarized optical absorption spectra in the range of some f-f transitions of Nd3+ ions in Ho0.75Nd0.25Fe3(BO3)4, Nd0.5Gd0.5Fe3(BO3)4 and NdFe3(BO3)4 crystals were compared at 90 K. Spectral features related to difference of local environme…

Bragg-case x-ray dynamical diffraction propagator in SRW: application to thin crystal phase retarders Open

John P. Sutter, Oleg Chubar, Alexey Suvorov, C. S. Nelson, Kawal Sawhney · 2020

A Bragg-case X-ray dynamical diffraction propagator has already been integrated into the "Synchrotron Radiation Workshop" (SRW) physical optics simulation software package. Previous benchmarking tests on crystal monochromators assumed thic…

Discovery of Charge Density Waves in Cuprate Superconductors up to the Critical Doping and Beyond Open

H. Miao, G. Fabbris, Robert J. Koch, D. G. Mazzone, C. S. Nelson , et al. · 2020

The unconventional normal-state properties of the cuprates are often discussed in terms of emergent electronic order that onsets below a putative critical doping, xc=0.19. Charge density wave (CDW) correlations represent one such order; ho…

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