123 citations · 551 across the 22 of their papers we have counts for
23 papers
Visualizing impurity-driven scattering phase textures in EuCd2As2
Raquel Sánchez-Barquilla, Rafael Pineda Medina, Pablo García Talavera +11
Understanding how disorder modifies electronic states in magnetic semiconductors is important for controlling spin-dependent transport and topological responses. Here we use scanni…
Discovery of a 1D edge mode in a Magnetic Topological semimetal
Avior Almoalem, Rebecca Chan, Brinda Kuthanazhi +6
In rare-earth monopnictides like NdBi, the interplay between magnetism and topology results in an extremely unusual topological semimetal phase which simultaneously hosts Weyl poin…
Symmetry tuning topological states of the axion insulator candidate EuInAs by its noncollinear magnetic order
S. X. M. Riberolles, A. M. Nedić, B. Kuthanazhi +10
Topological properties of quantum materials are intimately related to symmetry. Here, we tune the magnetic order of the axion insulator candidate EuInAs from its broken-hel…
Band structure and charge ordering of Dirac semimetal EuAl at low temperatures
Andrew Eaton, Brinda Kuthanazhi, Paul C. Canfield +6
EuAl is proposed to host a topological Hall state. This material also undergoes four consecutive antiferromagnetic (AFM) transitions upon cooling below TN1 = 15.4 K in the pres…
Unexpected changes in the band structure within AFM1 state of CeBi
Yevhen Kushnirenko, Brinda Kuthanazhi, Benjamin Schrunk +7
We perform angle-resolved photoemission spectroscopy (ARPES) measurements in conjunction with density functional theory (DFT) calculations to investigate the evolution of the elect…
Long-range magnetic order induced surface state in GdBi and DyBi
Yevhen Kushnirenko, Lin-Lin Wang, Zhuoqi Li +6
The recent discovery of unconventional surface-state pairs, which give rise to Fermi arcs and spin textures, in antiferromagnetically ordered rare-earth monopnictides attracted the…
Single crystal growth and characterization of antiferromagnetically ordering EuIn
Brinda Kuthanazhi, Simon X. M. Riberolles, Dominic H. Ryan +6
We report the single crystal growth and characterization of EuIn, a magnetic topological semimetal candidate according to our density functional theory (DFT) calculations. We p…
Directional effects of antiferromagnetic ordering on the electronic structure in NdSb
Yevhen Kushnirenko, Brinda Kuthanazhi, Lin-Lin Wang +5
The recent discovery of unconventional surface state pairs, which give rise to Fermi arcs and spin textures, in antiferromagnetically ordered NdBi raised the interest in rare-earth…
Magnetism and phase diagrams of Na and Ag substituted EuCdAs
Brinda Kuthanazhi, Kamal R. Joshi, Sunil Ghimire +7
EuCdAs is an antiferromagnetic semimetal, that can host non-trivial topological properties, depending upon its magnetic state and excitations. Here, we report the synthesis…
Valence and magnetism in and
D. H. Ryan, Sergey L. Bud'ko, Brinda Kuthanazhi +1
Eu Mössbauer spectroscopy shows that yttrium substitution in mixed-valent drives the initial 50:50 mix of Eu and Eu towards pure Eu, wh…
Rare-earth monopnoctides -- family of antiferromagnets hosting magnetic Fermi arcs
Yevhen Kushnirenko, Benjamin Schrunk, Brinda Kuthanazhi +8
Since the discovery of topological insulators a lot of research effort has been devoted to magnetic topological materials, in which non-trivial spin properties can be controlled by…
Emergence of Fermi arcs and novel magnetic splitting in an antiferromagnet
Benjamin Schrunk, Yevhen Kushnirenko, Brinda Kuthanazhi +14
The Fermi arcs are signatures of exotic states in solids because they defy conventional concept of Fermi surfaces as closed contours in momentum space. Fermi arcs were first discov…
Unconventional Surface State Pairs in a High-Symmetry Lattice with Anti-ferromagnetic Band-folding
L. -L. Wang, J. Ahn, R. -J. Slager +8
Many complex magnetic structures in a high-symmetry lattice can arise from a superposition of well-defined magnetic wave vectors. These "multi-q" structures have garnered much atte…
Visualizing band selective enhancement of quasiparticle lifetime in a metallic ferromagnet
Na Hyun Jo, Yun Wu, Thaís V. Trevisan +8
Electrons navigate more easily in a background of ordered magnetic moments than around randomly oriented ones. This fundamental quantum mechanical principle is due to their Bloch w…
Pressure-induced ferromagnetism in the topological semimetal EuCdAs
Elena Gati, Sergey L. Bud'ko, Lin-Lin Wang +10
The antiferromagnet and semimetal EuCdAs has recently attracted a lot of attention due to a wealth of topological phases arising from the interplay of topology and magnetis…
Spin-polarized imaging of strongly interacting fermions in the ferrimagnetic state of Weyl candidate CeBi
Christian E. Matt, Yu Liu, Harris Pirie +8
CeBi has an intricate magnetic phase diagram whose fully-polarized state has recently been suggested as a Weyl semimetal, though the role of states in promoting strong interact…
Discovery of a weak topological insulating state and van Hove singularity in triclinic RhBi2
Kyungchan Lee, Gunnar F. Lange, Lin-Lin Wang +8
Time reversal symmetric (TRS) invariant topological insulators (TIs) fullfil a paradigmatic role in the field of topological materials, standing at the origin of its development. A…
Prediction of Spin Polarized Fermi Arcs in Quasiparticle Interference of CeBi
Zhao Huang, Christopher A. Lane, Chao Cao +8
We predict that CeBi in the ferromagnetic state is a Weyl semimetal. Our calculations within density functional theory show the existence of two pairs of Weyl nodes on the momentum…
Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As2
S. X. M. Riberolles, T. V. Trevisan, B. Kuthanazhi +12
Knowledge of magnetic symmetry is vital for exploiting nontrivial surface states of magnetic topological materials. EuInAs is an excellent example, as it is predicted t…
Extremely Weakly Interacting and Excitations and Evidence for Fractional Quantization in a Magnetization Plateau: CeSb
Patrick G. LaBarre, Brinda Kuthanazhi, Caiden Abel +2
The plateau at 1/3 of the saturation magnetization, , in the metamagnet CeSb is accompanied by a state of ferromagnetic layers of spins in an up-up-down sequence. We measured…
Manipulating of magnetism in the topological semimetal EuCd2As2
Na Hyun Jo, Brinda Kuthanazhi, Yun Wu +15
Magnetic Weyl semimetals are expected to have extraordinary physical properties such as a chiral anomaly and large anomalous Hall effects that may be useful for future, potential,…
Magnetization and magneto-transport measurements on CeBi single crystals
Brinda Kuthanazhi, Na Hyun Jo, Li Xiang +2
We report the synthesis of CeBi single crystals out of Bi self flux and a systematic study of the magnetic and transport properties with varying temperature and applied magnetic fi…
A Single Pair of Weyl Fermions in Half-metallic EuCd2As2 Semimetal
Lin-Lin Wang, Na Hyun Jo, Brinda Kuthanazhi +4
An ideal Weyl semimetal with a single pair of Weyl points (WPs) may be generated by splitting a single Dirac point (DP) through the breaking of time-reversal symmetry by magnetic o…