Turan Birol

Triggered ferroelectricity in HfO $_{2}$ from hybrid phonons and higher-order dynamical charges

Seongjoo Jung, Turan Birol

Ferroelectric HfO $_{2}$ has emerged as a highly promising material for high-density nonvolatile memory and nanoscale transistor applications. However, the uncertain origin of polariz…

cond-mat.mtrl-sci2022

Room-Temperature Valence Transition in a Strain-Tuned Perovskite Oxide

Vipul Chaturvedi, Supriya Ghosh, Dominique Gautreau +17

Cobalt oxides have long been understood to display intriguing phenomena known as spin-state crossovers, where the cobalt ion spin changes vs. temperature, pressure, etc. A very dif…

cond-mat.mtrl-sci2012

The Magnetoelectric Effect in Transition Metal Oxides: Insights and the Rational Design of New Materials from First Principles

Turan Birol, Nicole A. Benedek, Hena Das +6

The search for materials displaying a large magnetoelectric effect has occupied researchers for many decades. The rewards could include not only advanced electronics technologies,…

cond-mat.str-el2016

Phase stability and large in-plane resistivity in the 112-type iron-based superconductor Ca $_{1 - x}$ La $_{x}$ FeAs $_{2}$

Chang-Jong Kang, Turan Birol, Gabriel Kotliar

The recently discovered high-T $_{c}$ superconductor Ca $_{1 - x}$ La $_{x}$ FeAs $_{2}$ is a unique compound not only because of its low symmetry crystal structure, but also because of its…

Tuning charge-transport properties and magnetic order in metallic EuTiO $_{3 - I^´}$

Xing He, Chiou Yang Tan, Issam Khayr +9

The stoichiometric antiferromagnetic insulator EuTiO $_{3}$ is proximate to a ferroelectric phase. Whereas cation substitution has been used as a tuning parameter to introduce charge…

cond-mat.str-el2016

Electromagnon dispersion probed by inelastic x-ray scattering

SÃ¡ndor TÃ³th, BjÃ¶rn Wehinger, Katharina Rolfs +7

Inelastic x-ray scattering with meV energy resolution (IXS) is an ideal tool to measure collective excitations in solids and liquids. In non-resonant scattering condition, the cros…

cond-mat.mtrl-sci2020

Electronic correlations in the semiconducting half-Heusler compound FeVSb

Estiaque H. Shourov, Patrick J. Strohbeen, Dongxue Du +8

Electronic correlations are crucial to the low energy physics of metallic systems with localized $d$ and $f$ states; however, their effect on band insulators and semiconductors is…

cond-mat.str-el2017

Charge ordering and ferrimagnetism in the strongly correlated $I^^{2}$ -V $_{2}$ PO $_{5}$ single crystal

Jie Xing, Huibo Cao, Arpita Paul +8

A combined study of transport, thermodynamic, neutron diffraction, nuclear magnetic resonance measurements and first principles calculation were performed for $I^^{2}$ -V $_{2}$ PO $_{5}$ sing…

Direct observation and consequences of dopant segregation inside and outside dislocation cores in perovskite BaSnO3

Hwanhui Yun, Abhinav Prakash, Turan Birol +2

Distinct dopant behaviors inside and outside dislocation cores are identified by atomic-resolution electron microscopy in perovskite BaSnO3 with considerable consequences on local…

cond-mat.str-el2015

$J_{e f f} = 1/2$ Mott Insulating State in Rh and Ir Fluorides

Turan Birol, Kristjan Haule

Discovery of new transition metal compounds with large spin orbit coupling (SOC) coexisting with strong electron-electron correlation among the $d$ electrons is essential for under…

cond-mat.mtrl-sci2020

Contrasting Ferromagnetism in Pyrite FeS $_{2}$ Induced by Chemical Doping versus Electrostatic Gating

Ezra Day-Roberts, Turan Birol, Rafael M. Fernandes

Recent advances in electrostatic gating provide a novel way to modify the carrier concentration in materials via electrostatic means instead of chemical doping, thus minimizing the…

cond-mat.mtrl-sci2019

Strain Tuning of Plasma Frequency in Vanadate, Niobate, and Molybdate Perovskite Oxides

Arpita Paul, Turan Birol

A novel approach for finding new transparent conductors involves taking advantage of electronic correlations in metallic transition metal oxides, such as SrVO $_{3}$ , to enhance the e…

cond-mat.supr-con2024

Polar charge density wave in a superconductor with crystallographic chirality

Shangfei Wu, Fei-Ting Huang, Xianghan Xu +4

Symmetry plays an important role in determining the physical properties in condensed matter physics, as the symmetry operations of any physical property must include the symmetry o…

cond-mat.mtrl-sci2018

Applications of DFT+DMFT in Materials Science

Arpita Paul, Turan Birol

First principles methods can provide insight into materials that is otherwise impossible to acquire. Density Functional Theory (DFT) has been the first principles method of choice…

cond-mat.str-el2015

Raman study of magnetic excitations and magneto-elastic coupling in alpha-SrCr2O4

Michael Valentine, Seyed Koohpayeh, Martin Mourigal +8

Using Raman spectroscopy, we investigate the lattice phonons, magnetic excitations, and magneto-elastic coupling in the distorted triangular-lattice Heisenberg antiferromagnet alph…

Observation of mirror-odd and mirror-even spin texture in ultrathin epitaxially strained RuO2 films

Yichen Zhang, Seung Gyo Jeong, Luca Buiarelli +24

Recently, rutile ruthenium dioxide (RuO $_{2}$ ) has attracted renewed interest due to expectations of prominent altermagnetic spin splitting. However, accumulating experimental eviden…

Chemical bonding and Born charge in 1T-HfS $_{2}$

Sabine N. Neal, Shutong Li, Turan Birol +1

We combine infrared absorption and Raman scattering spectroscopies to explore the properties of the heavy transition metal dichalcogenide 1T-HfS $_{2}$ . We employ the LO-TO splitting…

cond-mat.mtrl-sci2023

Tetrahedral rotations in alkaline-earth metal orthovanadates

Amartyajyoti Saha, Turan Birol

The alkaline-earth orthovanadate Sr $_{3}$ V $_{2}$ O $_{8}$ with the palmierite structure is reported to host a dielectric anomaly as well as a structural phase transition above the room tem…

Ferroic Polarization from Nonpolar Phonons

Seongjoo Jung, Turan Birol

Born effective charge, a fundamental quantity in lattice dynamics and ferroelectrics, provides a quantitative measure of linear polarization response to ionic displacements. Howeve…

cond-mat.str-el2025

Loop-current order through the kagome looking glass

Rafael M. Fernandes, Turan Birol, Mengxing Ye +1

In loop-current states, interacting electronic degrees of freedom collectively establish interatomic currents, in a rare example of magnetism in which spin degrees of freedom do no…

cond-mat.mtrl-sci2012

Interface control of emergent ferroic order in Ruddlesden-Popper Sr $_{n + 1}$ Ti $_{n}$ O $_{3 n + 1}$

Turan Birol, Nicole A. Benedek, Craig J. Fennie

We have discovered from first-principles an unusual polar state in the low n Sr $_{n + 1}$ Ti $_{n}$ O $_{3 n + 1}$ Ruddlesden-Popper (RP) layered perovskites in which ferroelectricity is near…

cond-mat.mtrl-sci2025

Piezoresistivity as a Fingerprint of Ferroaxial Transitions

Ezra Day-Roberts, Rafael M. Fernandes, Turan Birol

Recent progress in the understanding of the collective behavior of electrons and ions have revealed new types of ferroic orders beyond ferroelectricity and ferromagnetism, such as…

cond-mat.supr-con2023

Superconductivity from Orbital-Selective Electron-Phonon Coupling in $A V_{3} Sb_{5}$

Ethan T. Ritz, Henrik S. RÃ¸ising, Morten H. Christensen +3

Recent experiments have shown that the phase diagrams of the kagome superconductors $A V_{3} Sb_{5}$ are strongly impacted by changes in the $c$ -axis lattice parameter.…

cond-mat.mtrl-sci2020

Suppressing The Ferroelectric Switching Barrier in Hybrid Improper Ferroelectrics

Shutong Li, Turan Birol

Integration of ferroelectric materials into novel technological applications requires low coercive field materials, and consequently, design strategies to reduce the ferroelectric…

cond-mat.mtrl-sci2025

Noncollinear Magnetic Multipoles in Collinear Altermagnets

Luca Buiarelli, Rafael M. Fernandes, Turan Birol

Altermagnets host an array of magnetic multipoles, which are often visualized and studied in the reciprocal space. In the real space, the relative phase of the multipoles of the sp…

cond-mat.supr-con2021

Revealing the competition between charge-density wave and superconductivity in CsV $_{3}$ Sb $_{5}$ through uniaxial strain

Tiema Qian, Morten H. Christensen, Chaowei Hu +5

In this paper we report the impact of uniaxial strain $ε$ applied along the crystalline $a$ axis on the newly discovered kagome superconductor CsV $_{3}$ Sb $_{5}$ . At ambient c…

cond-mat.mtrl-sci2018

Nature of the Magnetic Interactions in Sr $_{3}$ NiIrO $_{6}$

Turan Birol, Kristjan Haule, David Vanderbilt

Iridates abound with interesting magnetic behaviours because of their strong spin-orbit coupling. Sr $_{3}$ NiIrO $_{6}$ brings together the spin-orbital entanglement of the Ir $^{4 +}$ ion…

cond-mat.mtrl-sci2023

Effect of (001) and (111) Epitaxial Strain on \emph{Pnma} Perovskite Oxides

Amartyajyoti Saha, Turan Birol

With recent advances in strain engineering and its widespread applications, it is becoming increasingly important to understand the effect of biaxial strain on the most common stru…

Free carrier induced ferroelectricity in layered perovskites

Shutong Li, Turan Birol

Doping ferroelectrics with carriers is often detrimental to polarization. This makes the design and discovery of metals that undergo a ferroelectric-like transition challenging. In…

cond-mat.supr-con2025

Phonon anomalies within the polar charge density wave phase of the structurally chiral superconductor Mo $_{3}$ Al $_{2}$ C

Shangfei Wu, Xianghan Xu, Fei-Ting Huang +3

We employ polarization-resolved Raman spectroscopy to study the lattice dynamics of the polar charge density wave phase of the superconductor Mo $_{3}$ Al $_{2}$ C with structural chiralit…

cond-mat.mtrl-sci2015

`Ferroelectric' Metals Reexamined: Fundamental Mechanisms and Design Considerations for New Materials

Nicole A. Benedek, Turan Birol

The recent observation of a ferroelectric-like structural transition in metallic LiOsO $_{3}$ has generated a flurry of interest in the properties of polar metals. Such materials are…

cond-mat.str-el2018

The phonon softening due to melting of the ferromagnetic order in elemental iron

Qiang Han, Turan Birol, Kristjan Haule

We study the fundamental question of the lattice dynamics of a metallic ferromagnet in the regime where the static long range magnetic order is replaced by the fluctuating local mo…

Electronic and structural properties of Rh- and Pd-based kagome layered shandites from first principles

Luca Buiarelli, Turan Birol, Brian M. Andersen +1

The shandite structure hosts transition metal ions arranged in kagome layers. These layers are stacked rhombohedrally and are interspersed with post-transition metal ions and chalc…

cond-mat.str-el2019

Spin--lattice coupling and the emergence of the trimerized phase in the $S = 1$ Kagome antiferromagnet Na $_{2}$ Ti $_{3}$ Cl $_{8}$

Arpita Paul, Chia-Min Chung, Turan Birol +1

Spin-1 antiferromagnets are abundant in nature, but few theories or results exist to understand their general properties and behavior, particularly in situations when geometric fru…

cond-mat.str-el2025

Impact of strong electronic correlations on altermagnets: the case of NiS2

Ina Park, Turan Birol, Antoine Georges +1

One of the distinguishing features of an altermagnet is that its spin-up and spin-down bands display a nodal momentum-dependent splitting even in the absence of spin-orbit coupling…

cond-mat.mtrl-sci2022

Strain effect on the ground-state structure of Sr2SnO4 Ruddlesden-Popper oxides

Hwanhui Yun, Dominique Gautreau, K. Andre Mkhoyan +1

Ruddlesden-Popper (RP) oxides (A $_{n + 1}$ B $_{n}$ O $_{3 n + 1}$ ) comprised of perovskite (ABO $_{3}$ ) $_{n}$ slabs can host a wider variety of structural distortions than their perovskite counte…

Uniaxial strain control of bulk ferromagnetism in rare-earth titanates

Ana Najev, Sajna Hameed, Dominique M. Gautreau +7

The perovskite rare-earth titanates are model Mott insulators with magnetic ground states that are very sensitive to structural distortions. These distortions couple strongly to th…

cond-mat.mtrl-sci2015

Guided design of copper oxysulfide superconductors

Chuck-Hou Yee, Turan Birol, Gabriel Kotliar

We describe a framework for designing novel materials, combining modern first-principles electronic structure tools, materials databases, and evolutionary algorithms capable of exp…

cond-mat.mtrl-sci2024

Octahedral Rotation Induced, Antiferroelectric-like Double Hysteresis in Strained Perovskites

Seongjoo Jung, Turan Birol

Antiferroelectrics, which host both polar and antipolar order parameters, are characterized by the double hysteresis loops which are advantageous for various applications such as h…

cond-mat.mtrl-sci2013

Origin of giant spin-lattice coupling and the suppression of ferroelectricity in EuTiO3 from first principles

Turan Birol, Craig J. Fennie

We elucidate the microscopic mechanism that causes a suppression of ferroelectricity and an enhancement of octahedral rotations in EuTiO3 from first principles. We find that the hy…

Strain patterning of flexomagnetism

Tamalika Samanta, Zachary T. LaDuca, An-Hsi Chen +15

Flexomagnetism, the coupling of magnetic ordering to strain gradients, provides access to novel symmetry-broken magnetic phases that cannot be accessed via uniform strain. However,…

cond-mat.mtrl-sci2015

Magnetically induced phonon splitting in ACr $_{2}$ O $_{4}$ spinels from first principles

Aleksander L. Wysocki, Turan Birol

We study the magnetically-induced phonon splitting in cubic ACr $_{2}$ O $_{4}$ (A=Mg, Zn, Cd, Hg) spinels from first principles, and demonstrate that the sign of the splitting, which is…

cond-mat.mes-hall2009

Spin torque from tunneling through impurities in a magnetic tunnel junction

Turan Birol, Piet W. Brouwer

We calculate the contribution to the spin transfer torque from sequential tunneling through impurities in a magnetic tunnel junction. For a junction with weakly polarized ferromagn…

cond-mat.supr-con2022

Two types of charge order in the superconducting kagome material CsV $_{3}$ Sb $_{5}$

Ritu Gupta, Debarchan Das, Charles Mielke +11

The kagome metals of the family $A$ V $_{3}$ Sb $_{5}$ , featuring a unique structural motif, harbor an array of intriguing phenomena such as chiral charge order and superconductivity. CsV$…

Strain-tunable metamagnetic critical endpoint in Mott insulating rare-earth titanates

Zhentao Wang, Dominique Gautreau, Turan Birol +1

Rare-earth titanates are Mott insulators whose magnetic ground state -- antiferromagnetic (AFM) or ferromagnetic (FM) -- can be tuned by the radius of the rare-earth element. Here,…

Discovery of an odd-parity f-wave charge order in a kagome metal

Jiangchang Zheng, Caiyun Chen, Ruiqin Fu +13

The spontaneous breaking of symmetries is a cornerstone of physics, defining the phases of matter from the cosmological scale to the quantum realm. In condensed matter, electronic…

Structural Distortions and Ferroelectricity in Antiperovskite Oxides with Tetrel Elements

He Zhu, Turan Birol

Antiperovskites share the same structure as perovskites, but allow completely different chemistries and nominal charge states of anions to be stabilized. This gives rise to many in…

Loop currents in $A$ V $_{3}$ Sb $_{5}$ kagome metals: multipolar and toroidal magnetic orders

Morten H. Christensen, Turan Birol, Brian M. Andersen +1

Experiments in the recently discovered vanadium-based kagome metals have suggested that their charge-ordered state displays not only bond distortions, characteristic of a ``real" c…

cond-mat.mtrl-sci2025

Altermagnetic Polar Metallic phase in Ultra-Thin Epitaxially-Strained RuO2 Films

Seung Gyo Jeong, In Hyeok Choi, Sreejith Nair +12

Altermagnetism refers to a wide class of magnetic orders featuring magnetic sublattices with opposite spins related by rotational symmetries, resulting in non-trivial spin splittin…

Probing multipolar order in the candidate altermagnet MnF $_{2}$ through the elastocaloric effect under strain

Rahel Ohlendorf, Luca Buiarelli, Hilary M. L. Noad +5

Altermagnets break a combination of time-reversal and rotational symmetries without generating a net magnetization. As such, the order parameter of $d$ -wave altermagnets has the sa…

All-In-All-Out Pyrochlore Iridates as Noncollinear Spin-Orbit Coupled Counterparts of Altermagnets

Yang Yang, Turan Birol, Rafael M. Fernandes +1

Altermagnets are collinear magnetically ordered states that exhibit momentum-dependent spin splitting in the absence of net magnetization and spin-orbit coupling (SOC). Related spi…

cond-mat.supr-con2025

Interplay between charge correlations and superconductivity across the superconducting domes of CsV $_{3}$ Sb $_{5 - x}$ Sn $_{x}$

Andrea N. Capa Salinas, Brenden R. Ortiz, Steven J. Gomez Alvarado +9

The kagome metal CsV $_{3}$ Sb $_{5}$ shows an unconventional interplay between charge density wave (CDW) order and superconductivity. Tuning the band filling is known to rapidly suppress…

cond-mat.str-el2014

Covalency in transition metal oxides within all-electron Dynamical Mean Field Theory

Kristjan Haule, Turan Birol, Gabriel Kotliar

A combination of dynamical mean field theory and density functional theory, as implemented in Phys. Rev. B 81, 195107 (2010), is applied to both the early and late transition metal…

Optical Manipulation of the Charge Density Wave state in RbV3Sb5

Yuqing Xing, Seokjin Bae, Ethan Ritz +8

Broken time-reversal symmetry in the absence of spin order indicates the presence of unusual phases such as orbital magnetism and loop currents. The recently discovered family of k…

cond-mat.str-el2023

Origin and stability of the charge density wave in ScV $_{6}$ Sn $_{6}$

Yanhong Gu, Ethan Ritz, William R. Meier +7

Kagome metals are widely recognized as versatile platforms for exploring novel topological properties, unconventional electronic correlations, magnetic frustration, and superconduc…

Symmetries of Spin-Splitting Induced by Spin-Orbit Coupling in Non-magnetic Crystals

Fan Yang, Rafael M. Fernandes, Turan Birol

Spin-orbit coupling (SOC) leads to splitting of otherwise spin-degenerate bands in noncentrosymmetric materials, even if time-reversal symmetry is present. While this gives rise to…

Charge density wave order in kagome metal AV $_{3}$ Sb $_{5}$ (A= Cs, Rb, K)

Shangfei Wu, Brenden R. Ortiz, Hengxin Tan +4

We employ polarization-resolved electronic Raman spectroscopy and density functional theory to study the primary and secondary order parameters, as well as their interplay, in the…

Orbital altermagnetism on the kagome lattice and possible application to $A$ V $_{3}$ Sb $_{5}$

Anzumaan R. Chakraborty, Fan Yang, Turan Birol +1

Altermagnets, which encompass a broad landscape of materials, are compensated collinear magnetic phases in which the antiparallel magnetic moments are related by a crystalline rota…

First-principles characterization of the magnetic properties of Cu $_{2}$ (OH) $_{3}$ Br

Dominique M. Gautreau, Amartyajyoti Saha, Turan Birol

Low dimensional spin-1/2 transition metal oxides and oxyhalides continue to be at the forefront of research investigating nonclassical phases such as quantum spin liquids. In this…

Low-Energy Electronic Structure in the Unconventional Charge-Ordered State of ScV $_{6}$ Sn $_{6}$

Asish K. Kundu, Xiong Huang, Eric Seewald +15

Kagome vanadates {\it A}V $_{3}$ Sb $_{5}$ display unusual low-temperature electronic properties including charge density waves (CDW), whose microscopic origin remains unsettled. Recently…

cond-mat.str-el2015

Free energy from stationary implementation of the DFT+DMFT functional

Kristjan Haule, Turan Birol

The stationary functional of the all-electron density functional plus dynamical mean field theory (DFT+DMFT) formalism to perform free energy calculations and structural relaxation…

cond-mat.mtrl-sci2023

Crystal-Chemical Origins of the Ultrahigh Conductivity of Metallic Delafossites

Yi Zhang, Fred Tutt, Guy N. Evans +13

Despite their highly anisotropic complex-oxidic nature, certain delafossite compounds (e.g., PdCoO2, PtCoO2) are the most conductive oxides known, for reasons that remain poorly un…

cond-mat.str-el2020

Cation Order Control of Correlations in Double Perovskite Sr $_{2}$ VNbO $_{6}$

Arpita Paul, Turan Birol

Double perovskites extend the design space for new materials, and they often host phenomena that don't exist in their parent perovskite compounds. Here, we present a detailed first…

cond-mat.other2008

Effects of Zero Mode and Thin Spectrum on the Life Time of Atomic Bose Einstein Condensates

Turan Birol, ÃzgÃ¼r E. MÃ¼stecaplÄ±oÄlu

Reviewing the ideas developed in, the ground state life time of a finite size atomic Bose Einstein condensate is studied for coherent, squeezed coherent and thermal coherent ground…

cond-mat.mtrl-sci2019

Spin-lattice and electron-phonon coupling in 3 $d$ /5 $d$ hybrid Sr $_{3}$ NiIrO $_{6}$

Kenneth R. O'Neal, Arpita Paul, Amal al-Wahish +10

While 3 $d$ -containing materials display strong electron correlations, narrow band widths, and robust magnetism, 5 $d$ systems are recognized for strong spin-orbit coupling, increase…

cond-mat.str-el2021

Response to comment on "Spin-lattice coupling and the emergence of the trimerized phase in the $S = 1$ kagome antiferromagnet Na $_{2}$ Ti $_{3}$ Cl $_{8}$ ", Phys. Rev. Lett. 124, 167203 (2020)

Arpita Paul, Chia-Min Chung, Turan Birol +1

In the context of the $S = 1$ kagome antiferromagnet Na $_{2}$ Ti $_{3}$ Cl $_{8}$ , we respond to the comment by Khomskii et al. [D.I. Khomskii, T. Mizokawa and S.V. Streltsov, Phys. Rev. Lett.…

cond-mat.mtrl-sci2017

Role of Entropy and Structural Parameters in the Spin State Transition of LaCoO $_{3}$

Bismayan Chakrabarti, Turan Birol, Kristjan Haule

The spin state transition in LaCoO $_{3}$ has eluded description for decades despite concerted theoretical and experimental effort. In this study, we approach this problem using fully…

Evidence for ferroaxial order in 1T-TiSe $_{2}$ via elastoresistivity measurements

Qianni Jiang, Ezra Day-Roberts, Benito Gonzalez +5

The study of spontaneous symmetry breaking and electronic order is fundamental in condensed matter physics. Hidden order, symmetry-breaking states that elude conventional probes, p…

cond-mat.mtrl-sci2022

Impact of Sb degrees of freedom on the charge density wave phase diagram of the kagome metal CsV $_{3}$ Sb $_{5}$

Ethan T. Ritz, Rafael M. Fernandes, Turan Birol

Elucidating the microscopic mechanisms responsible for the charge density wave (CDW) instability of the AV $_{3}$ Sb $_{5}$ (A=Cs, K, Rb) family of kagome metals is critical for understan…

Symmetry breaking and ascending in the magnetic kagome metal FeGe

Shangfei Wu, Mason Klemm, Jay Shah +12

Spontaneous symmetry breaking-the phenomenon where an infinitesimal perturbation can cause the system to break the underlying symmetry-is a cornerstone concept in the understanding…

cond-mat.mes-hall2024

Topological transition from nodal to nodeless Zeeman splitting in altermagnets

Rafael M. Fernandes, Vanuildo S. de Carvalho, Turan Birol +1

In an altermagnet, the symmetry that relates configurations with flipped magnetic moments is a rotation. This makes it qualitatively different from a ferromagnet, where no such sym…

cond-mat.supr-con2016

Structural and magnetic phase transitions in Ca $_{0.73}$ La $_{0.27}$ FeAs $_{2}$ with electron overdoped FeAs layers

Shan Jiang, Chang Liu, Huibo Cao +15

We report a study of the Ca $_{0.73}$ La $_{0.27}$ FeAs $_{2}$ single crystals. We unravel a monoclinic to triclinic phase transition at 58 K, and a paramagnetic to stripe antiferromagnet…

Octupolar vortex crystal and toroidal moment in twisted bilayer MnPSe $_{3}$

Muhammad Akram, Fan Yang, Turan Birol +1

Experimental detection of antiferromagnetic order in two-dimensional materials is a challenging task due to the absence of net dipole moments. Identifying multi-domain antiferromag…

cond-mat.supr-con2021

Theory of the charge-density wave in $A$ V $_{3}$ Sb $_{5}$ kagome metals

Morten H. Christensen, Turan Birol, Brian M. Andersen +1

The family of metallic kagome compounds $A$ V $_{3}$ Sb $_{5}$ ( $A$ =K, Rb, Cs) was recently discovered to exhibit both superconductivity and charge order. The nature of the charge-density…