D. Johnston

activity

20132025

most citedCrystallographic, Electronic, Thermal and Magnetic Properties of Single-Crystal SrCo2As2

76 citations · 181 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.str-el2025

Spiral Spin Liquid State in the Corrugated Honeycomb Lattice of CaMn $_{2}$ P $_{2}$

Farhan Islam, Nikita D. Andriushin, Thaís V. Trevisan +9

CaMn $_{2}$ P $_{2}$ exemplifies the realization of a frustrated $J_{1}$ - $J_{2}$ - $J_{3}$ Heisenberg model of a corrugated honeycomb magnetic lattice. Previous studies show that below the Néel t…

cond-mat.supr-con2024★ 1 cited

Spin dynamics in itinerant antiferromagnet SrCr $_{2}$ As $_{2}$

Zhenhua Ning, Pinaki Das, Y. Lee +6

SrCr $_{2}$ As $_{2}$ is an itinerant antiferromagnet in the same structural family as the SrFe $_{2}$ As $_{2}$ high-temperature superconductors. We report our calculations of exchange-coupling…

cond-mat.str-el2024★ 13 cited

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-el2024

Antiferromagnetic domains in a single crystal of the A-type spin-7/2 trigonal topological insulator EuSn $_{2}$ As $_{2}$

Santanu Pakhira, D. C. Johnston

EuSn $_{2}$ As $_{2}$ is a trigonal A-type antiferromagnetic topological insulator with the moments aligned in the $ab$ plane and with a Néel temperature $T_{N} = 23.5$ K. Here we rep…

cond-mat.str-el2024

Coexistence of Ferromagnetism and Antiferromagnetic Dimers in Topological Insulators

Farhan Islam, Deborah Schlagel, Yongbin Lee +6

The addition of magnetic impurities in topological insulators can drive ferromagnetic order that leads to novel quantum anomalous Hall transport well below the Curie temperature. T…

cond-mat.str-el2024

Europium $c$ -axis ferromagnetism in Eu(Co $_{1 - x}$ Ni $_{x}$ ) $_{2 - y}$ As $_{2}$ : A single-crystal neutron diffraction study

Tianxiong Han, Santanu Pakhira, N. S. Sangeetha +6

We report neutron diffraction results for the body-centered-tetragonal series Eu(Co $_{1 - x}$ Ni $_{x}$ ) $_{2 - y}$ As $_{2}$ , $x = 0.10$ , $0.20$ , $0.42$ , and $0.82$ , $y \leq 0.10$ , that detail cha…

cond-mat.str-el2020★ 20 cited

Ferromagnetic cluster-glass phase in Ca(Co,Ir)2As2 crystals

Santanu Pakhira, N. S. Sangeetha, V. Smetana +2

Single crystals of Ca[Co_(2-x)Ir_(x)]_(2-y)As2 with 0 <= x <= 0.35 and 0.10 <= y <= 0.14 have been grown using the self-flux technique and characterized by single-crystal x-ray dif…

cond-mat.str-el2017★ 14 cited

Robust antiferromagnetic spin waves across the metal-insulator transition in hole-doped BaMn $_{2}$ As $_{2}$

M. Ramazanoglu, A. Sapkota, Abhishek Pandey +8

BaMn $_{2}$ As $_{2}$ is an antiferromagnetic insulator where a metal-insulator transition occurs with hole doping via the substitution of Ba with K. The metal-insulator transition ca…

cond-mat.supr-con2013★ 76 cited

Crystallographic, Electronic, Thermal and Magnetic Properties of Single-Crystal SrCo2As2

Abhishek Pandey, D. G. Quirinale, W. Jayasekara +14

In tetragonal SrCo2As2 single crystals, inelastic neutron scattering measurements demonstrated that strong stripe-type antiferromagnetic (AFM) correlations occur at a temperature T…

cond-mat.supr-con2013★ 57 cited

Stripe Antiferromagnetic Spin Fluctuations in SrCo $_{2}$ As $_{2}$

W. Jayasekara, Y. Lee, Abhishek Pandey +12

Inelastic neutron scattering measurements of paramagnetic SrCo $_{2}$ As $_{2}$ at T=5 K reveal antiferromagnetic (AFM) spin fluctuations that are peaked at a wavevector of $\textbf{Q…

Spiral Spin Liquid State in the Corrugated Honeycomb Lattice of CaMn2​P2​

Spin dynamics in itinerant antiferromagnet SrCr2​As2​

Low-Energy Electronic Structure in the Unconventional Charge-Ordered State of ScV6​Sn6​

Antiferromagnetic domains in a single crystal of the A-type spin-7/2 trigonal topological insulator EuSn2​As2​

Coexistence of Ferromagnetism and Antiferromagnetic Dimers in Topological Insulators

Europium c-axis ferromagnetism in Eu(Co1−x​Nix​)2−y​As2​: A single-crystal neutron diffraction study

Ferromagnetic cluster-glass phase in Ca(Co,Ir)2As2 crystals

Robust antiferromagnetic spin waves across the metal-insulator transition in hole-doped BaMn2​As2​

Crystallographic, Electronic, Thermal and Magnetic Properties of Single-Crystal SrCo2As2

Stripe Antiferromagnetic Spin Fluctuations in SrCo2​As2​

Spiral Spin Liquid State in the Corrugated Honeycomb Lattice of CaMn $_{2}$ P $_{2}$

Spin dynamics in itinerant antiferromagnet SrCr $_{2}$ As $_{2}$

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

Antiferromagnetic domains in a single crystal of the A-type spin-7/2 trigonal topological insulator EuSn $_{2}$ As $_{2}$

Europium $c$ -axis ferromagnetism in Eu(Co $_{1 - x}$ Ni $_{x}$ ) $_{2 - y}$ As $_{2}$ : A single-crystal neutron diffraction study

Robust antiferromagnetic spin waves across the metal-insulator transition in hole-doped BaMn $_{2}$ As $_{2}$

Stripe Antiferromagnetic Spin Fluctuations in SrCo $_{2}$ As $_{2}$