Explanipedia

Pressure tuning of Kitaev spin liquid candidate Na3Co2SbO6 Open

E. Poldi, R. Tartaglia, G. Fabbris, Nguyen Thanh Hoai Nam, Hyowon Park , et al. · 2025

The search for Kitaev’s quantum spin liquid in real materials has recently expanded with the prediction that honeycomb lattices of divalent, high-spin cobalt ions could host the dominant bond-dependent exchange interactions required to sta…

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

Pressure tuning of competing interactions on a honeycomb lattice Open

Piyush Sakrikar, Bin Shen, E. Poldi, Faranak Bahrami, Xiaodong Hu , et al. · 2025

Electronic structure of the honeycomb iridate at high pressure Open

G. Fabbris, E. Poldi, Shubham Sinha, Jinhyuk Lim, Timothy A. Elmslie , et al. · 2025

Cu₂IrO₃ has attracted recent interest due to its proximity to the Kitaev quantum spin liquid state and the complex structural response observed at high pressures. We use x-ray spectroscopy and scattering as well as el…

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…

Electronic reconstruction in confined monolayers Open

Ujjal Lamichhane, Babu Ram Sankhi, N. Kundu, G. Fabbris, Yongseong Choi , et al. · 2024

3D Heisenberg universality in the van der Waals antiferromagnet NiPS3 Open

Rajan Plumley, Sougata Mardanya, Peng Cheng, Johannes Nokelainen, Tadesse A. Assefa , et al. · 2024

Van der Waals (vdW) magnetic materials are comprised of layers of atomically thin sheets, making them ideal platforms for studying magnetism at the two-dimensional (2D) limit. These materials are at the center of a host of novel types of e…

Deconvolution of X-ray natural and magnetic circular dichroism in chiral Dy-ferroborate Open

D. Haskel, Choongjae Won, Yves Joly, J. Strempfer, G. Fabbris , et al. · 2024

Structural chirality and magnetism, when intertwined, can have profound implications on materials properties. Using X-ray imaging and spectroscopic measurements that leverage the natural and magnetic circular dichroic effects present in ma…

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…

Novel electronic state of honeycomb iridate Cu$_2$IrO$_3$ at high pressure Open

G. Fabbris, E. Poldi, S. Sinha, Jinhyuk Lim, Timothy A. Elmslie , et al. · 2024

Cu$_2$IrO$_3$ has attracted recent interest due to its proximity to the Kitaev quantum spin liquid state and the complex structural response observed at high pressures. We use x-ray spectroscopy and scattering as well as electrical transpo…

Nanometric modulations of the magnetic structure of the element Nd Open

Hasitha Suriya Arachchige, Lisa DeBeer‐Schmitt, L. L. Kish, Binod K. Rai, Andrew F. May , et al. · 2024

The rare earth neodymium arguably exhibits the most complex magnetic ordering and series of magnetic phase transitions of the elements. Here we report the results of small-angle neutron scattering (SANS) measurements as a function of tempe…

Constraints on -electron magnetism in Ga-stabilized <i>δ</i>-Pu from x-ray magnetic circular dichroism Open

Alexander A. Baker, G. Fabbris, D. Haskel, Jason R. Jeffries · 2024

Density-functional theory models of δ-Pu accurately predict crystal structure, phonon density of states, and unit cell volumes but require magnetic degrees of freedom which have never been experimentally verified. Some models invoke an on-…

Signature of Orbital Driven Finite Momentum Pairing in a 3D Ising Superconductor Open

Fei Yang, H. D. Zhang, Saswata Mandal, Fanbo Meng, G. Fabbris , et al. · 2024

The finite momentum superconducting pairing states (FMPs), where Cooper pairs carry non-zero momentum, are believed to give rise to exotic physical phenomena including the pseudogap phase of cuprate high-Tc superconductors and Majorana fer…

Valence instability and collapse of ferromagnetism in EuB at high pressures Open

L. O. Kutelak, Raimundas Sereika, G. Fabbris, Lucas H. Francisco, G. Lombardi , et al. · 2024

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…

Quantum spin nematic phase in a square-lattice iridate Open

Hoon Kim, Jin-Kwang Kim, Junyoung Kwon, Jimin Kim, Hyun-Woo J. Kim , et al. · 2023

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…

Strain-switchable field-induced superconductivity Open

Joshua J. Sanchez, G. Fabbris, Yongseong Choi, Jonathan M. DeStefano, Elliott Rosenberg , et al. · 2023

Field-induced superconductivity is a rare phenomenon where an applied magnetic field enhances or induces superconductivity. Here, we use applied stress as a control switch between a field-tunable superconducting state and a robust non–fiel…

Interplay of broken symmetry and delocalized excitations in the insulating state of Open

Xun Jia, Anubhab Haldar, Jungho Kim, Yilin Wang, G. Fabbris , et al. · 2023

Coexistence of localized and extended excitations is central to the macroscopic properties of correlated materials. For 5⁢d transition-metal compounds, electron correlations alone generally do not lead to a metal-insulator (Mott) transitio…

3D Heisenberg universality in the Van der Waals antiferromagnet NiPS$_3$ Open

Rajan Plumley, Sougata Mardanya, Peng Cheng, Johannes Nokelainen, Tadesse A. Assefa , et al. · 2023

Van der Waals (vdW) magnetic materials are comprised of layers of atomically thin sheets, making them ideal platforms for studying magnetism at the two-dimensional (2D) limit. These materials are at the center of a host of novel types of e…

Helical magnetic state in the vicinity of the pressure-induced superconducting phase in MnP Open

Sachith Dissanayake, Masaaki Matsuda, Kazuyoshi Yoshimi, Shusuke Kasamatsu, Feng Ye , et al. · 2023

MnP is a metal that shows successive magnetic transitions from paramagnetic to ferromagnetic and helical magnetic phases at ambient pressure with decreasing temperature. With applied pressure, the magnetic transition temperatures decrease …

Signature of spin-phonon coupling driven charge density wave in a kagome magnet Open

H. Miao, T. T. Zhang, Haoxiang Li, G. Fabbris, Ayman Said , et al. · 2023

The intertwining between spin, charge, and lattice degrees of freedom can give rise to unusual macroscopic quantum states, including high-temperature superconductivity and quantum anomalous Hall effects. Recently, a charge density wave (CD…

Quantum spin nematic phase in a square-lattice iridate Open

Hoon Kim, Jin-Kwang Kim, Jimin Kim, Hyun-Woo J. Kim, Seunghyeok Ha , et al. · 2023

Spin nematic (SN) is a magnetic analog of classical liquid crystals, a fourth state of matter exhibiting characteristics of both liquid and solid. Particularly intriguing is a valence-bond SN, in which spins are quantum entangled to form a…

Helical magnetic state in the vicinity of the pressure-induced superconducting phase in MnP Open

Sachith Dissanayake, Masaaki Matsuda, Kazuyoshi Yoshimi, Shusuke Kasamatsu, Feng Ye , et al. · 2023

MnP is a metal that shows successive magnetic transitions from paramagnetic to ferromagnetic and helical magnetic phases at ambient pressure with decreasing temperature. With applied pressure, the magnetic transition temperatures decrease …

Momentum-independent magnetic excitation continuum in the honeycomb iridate H3LiIr2O6 Open

A. de la Torre, B. Zager, Faranak Bahrami, M. H. Upton, Jungho Kim , et al. · 2023

Electronic structure of Co states in the Kitaev material candidate honeycomb cobaltate probed with x-ray dichroism Open

Michel van Veenendaal, E. Poldi, L. S. I. Veiga, P. Benčok, G. Fabbris , et al. · 2023

The recent prediction that honeycomb lattices of Co²⁺ (3d⁷) ions could host dominant Kitaev interactions provides an exciting direction for exploration of new routes to stabilizing Kitaev’s quantum spin liquid in real…

Spontaneous orbital polarization in the nematic phase of FeSe Open

Connor A. Occhialini, Joshua J. Sanchez, Qian Song, G. Fabbris, Yongseong Choi , et al. · 2023

Strain-Switchable Field-Induced Superconductivity Open

Joshua J. Sanchez, G. Fabbris, Yongseong Choi, Jonathan M. DeStefano, Elliott Rosenberg , et al. · 2023

Field-induced superconductivity is a rare phenomenon where an applied magnetic field enhances or induces superconductivity. This fascinating effect arises from a complex interplay between magnetism and superconductivity, and it offers the …

Orbital polarization, charge transfer, and fluorescence in reduced-valence nickelates Open

M. R. Norman, Antía S. Botana, J. Karp, Alexander Hampel, H. LaBollita , et al. · 2023

Herein this paper presents a simple formalism for calculating X-ray absorption (XAS) and resonant inelastic x-ray scattering (RIXS) that has as input orbital-resolved density of states from a single particle or many-body ab initio calculat…

Resonant inelastic x-ray scattering data for Ruddlesden-Popper and reduced Ruddlesden-Popper nickelates Open

G. Fabbris, D. Meyers, Yao Shen, Valentina Bisogni, Jian Zhang , et al. · 2023

Ruddlesden-Popper and reduced Ruddlesden-Popper nickelates are intriguing candidates for mimicking the properties of high-temperature superconducting cuprates. The degree of similarity between these nickelates and cuprates has been the sub…

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