B. R. Ortiz

activity

20232026

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kagome metals: The LnNb

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(Ln:Ce-Lu,Y) family and density-wave transition in LuNb

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24 citations · 65 across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.str-el2026

Synergistic doping and stabilization of magnetically tunable LnTi $_{3}$ (Sb,Sn) $_{4}$ (Ln:Ce--Gd) kagome metals

Brenden R. Ortiz, Ramakanta Chapai, German Samolyuk +9

Here we present our synthesis and characterization of the LnTi $_{3}$ (Sb,Sn) $_{4}$ (Ln: Ce, Pr, Nd, Sm, Gd) family of cleavable kagome metals. While these materials are isostructural to…

cond-mat.str-el2025

$^{51}$ V NMR evidence for interlayer-modulated charge order and a first-order low-temperature transition in CsV $_{3}$ Sb $_{5}$

Xiaoling Wang, Arneil P. Reyes, Hrishit Banerjee +3

Charge order in the kagome superconductor CsV $_{3}$ Sb $_{5}$ exhibits a complex three-dimensional organization and intermediate-temperature anomalies whose bulk character has remained u…

cond-mat.str-el2025★ 1 cited

Isolated spin ladders in Ln $_{2}$ Ti $_{9}$ Sb $_{11}$ (Ln:La-Nd) metals

Brenden R. Ortiz, Heda Zhang, Karolina Gornicka +4

Here we present the discovery and characterization of a series of antimonides Ln $_{2}$ Ti $_{9}$ Sb $_{11}$ (Ln: La--Nd) which exhibit well-isolated, $n = 2$ rare-earth spin ladders. We disc…

cond-mat.supr-con2025★ 2 cited

Evolution of charge correlations in the hole-doped kagome superconductor CsV $_{3 - x}$ Ti $_{x}$ Sb $_{5}$

Ganesh Pokharel, Canxun Zhang, Evgeny Redekop +7

The interplay between superconductivity and charge correlations in the kagome metal CsV $_{3}$ Sb $_{5}$ can be tuned by external perturbations such as doping or pressure. Here we present…

cond-mat.mtrl-sci2025

Enhanced Neel temperature and unusual thermal expansion in flux-grown FeCrAs crystals

Michael A. McGuire, Matthew S. Cook, Brenden R. Ortiz +2

We report results from our experimental investigation of the distorted-kagome compound FeCrAs. For this work, we developed a procedure using tin metal as a flux to produce needleli…

cond-mat.str-el2025★ 4 cited

Impact of tiny Fermi pockets with extremely high mobility on the Hall anomaly in the kagome metal CsV $_{3}$ Sb $_{5}$

S. Liu, M. Roppongi, M. Kimata +8

The kagome metal CsV $_{3}$ Sb $_{5}$ exhibits an unusual charge-density-wave (CDW) order, where the emergence of loop current order that breaks time-reversal symmetry (TRS) has been prop…

cond-mat.str-el2025

Formation of Frustrated Charge Density Waves in Kagome Metal LuNb $_{6}$ Sn $_{6}$

F. Z. Yang, X. Huang, Hengxin Tan +14

The charge density wave (CDW), a translational symmetry breaking electronic liquid, plays a pivotal role in correlated quantum materials, such as high-T $_{c}$ superconductors and top…

cond-mat.str-el2025★ 6 cited

Interplay of $d$ - and $p$ -states in RbTi $_{3}$ Bi $_{5}$ and CsTi $_{3}$ Bi $_{5}$ flat-band kagome metals

M. Wenzel, E. Uykur, A. A. Tsirlin +4

Shifting the Fermi level of the celebrated $A M_{3} X_{5}$ (135) compounds into proximity of flat bands strongly enhances electronic correlations and severely affects the formation of de…

cond-mat.str-el2025★ 4 cited

Interleaved bond frustration in a triangular lattice antiferromagnet

S. J. Gomez Alvarado, J. R. Chamorro, D. Rout +14

Frustration of long-range order via lattice geometries serves to amplify fluctuations of the order parameter and generate unconventional ground states that are highly sensitive to…

cond-mat.str-el2024★ 24 cited

Stability frontiers in the AM $_{6}$ X $_{6}$ kagome metals: The LnNb $_{6}$ Sn $_{6}$ (Ln:Ce-Lu,Y) family and density-wave transition in LuNb $_{6}$ Sn $_{6}$

Brenden R. Ortiz, William R. Meier, Ganesh Pokharel +16

The kagome motif is a versatile platform for condensed matter physics, hosting rich interactions between magnetic, electronic, and structural degrees of freedom. In recent years, t…

cond-mat.mtrl-sci2024★ 14 cited

Intricate magnetic landscape in antiferromagnetic kagome metal TbTi $_{3}$ Bi $_{4}$ and interplay with Ln $_{2 - x}$ Ti $_{6 + x}$ Bi $_{9}$ (Ln: Tb-Lu) shurikagome metals

Brenden R. Ortiz, Heda Zhang, Karolina Gornicka +8

Here we present the discovery and characterization of the kagome metal TbTi $_{3}$ Bi $_{4}$ in tandem with a new series of compounds, the Ln $_{2 - x}$ Ti $_{6 + x}$ Bi $_{9}$ (Ln: Tb-Lu) shurikago…

cond-mat.str-el2023★ 5 cited

Revisiting spin ice physics in the ferromagnetic Ising pyrochlore Pr $_{2}$ Sn $_{2}$ O $_{7}$

Brenden R. Ortiz, Paul M. Sarte, Ganesh Pokharel +12

Pyrochlore materials are characterized by their hallmark network of corner-sharing rare-earth tetrahedra, which can produce a wide array of complex magnetic ground states. Ferromag…

cond-mat.str-el2023★ 5 cited

Evidence for an odd-parity nematic phase above the charge density wave transition in kagome metal CsV $_{3}$ Sb $_{5}$

T. Asaba, A. Onishi, Y. Kageyama +16

The quest for fascinating quantum states arising from the interplay between correlation, frustration, and topology is at the forefront of condensed-matter physics. Recently discove…

Synergistic doping and stabilization of magnetically tunable LnTi3​(Sb,Sn)4​ (Ln:Ce--Gd) kagome metals

51V NMR evidence for interlayer-modulated charge order and a first-order low-temperature transition in CsV3​Sb5​

Isolated spin ladders in Ln2​Ti9​Sb11​ (Ln:La-Nd) metals

Evolution of charge correlations in the hole-doped kagome superconductor CsV3−x​Tix​Sb5​

Enhanced Neel temperature and unusual thermal expansion in flux-grown FeCrAs crystals

Impact of tiny Fermi pockets with extremely high mobility on the Hall anomaly in the kagome metal CsV3​Sb5​

Formation of Frustrated Charge Density Waves in Kagome Metal LuNb6​Sn6​

Interplay of d- and p-states in RbTi3​Bi5​ and CsTi3​Bi5​ flat-band kagome metals