Nanoscale imaging of antiferromagnetic domains in epitaxial films of Cr 2 O 3 via scanning diamond magnetic probe microscopy

A Erickson, SQA Shah, A Mahmood, I Fescenko… - RSC …, 2023 - pubs.rsc.org
We report direct imaging of boundary magnetization associated with antiferromagnetic
domains in magnetoelectric epitaxial Cr2O3 thin films using diamond nitrogen vacancy …

Voltage controlled Néel vector rotation in zero magnetic field

A Mahmood, W Echtenkamp, M Street, JL Wang… - Nature …, 2021 - nature.com
Multi-functional thin films of boron (B) doped Cr2O3 exhibit voltage-controlled and
nonvolatile Néel vector reorientation in the absence of an applied magnetic field, H …

Magnetoelectrics and multiferroics: Materials and opportunities for energy-efficient spin-based memory and logic

JT Heron, T Chiang - MRS Bulletin, 2021 - Springer
With the explosion of Internet traffic, the rise of large data centers, and smart technologies on
the horizon, forecasts of the global energy consumption from information, and …

Insights into the Fe3+ Doping Effects on the Structure and Electron Distribution of Cr2O3 Nanoparticles

C Santos, JM Attah-Baah, RSS Junior, MA Mâcedo… - Nanomaterials, 2023 - mdpi.com
Herein, we carefully investigated the Fe3+ doping effects on the structure and electron
distribution of Cr2O3 nanoparticles using X-ray diffraction analysis (XRD), maximum entropy …

[HTML][HTML] Space-charge limited conduction in epitaxial chromia films grown on elemental and oxide-based metallic substrates

CP Kwan, M Street, A Mahmood, W Echtenkamp… - AIP Advances, 2019 - pubs.aip.org
We study temperature dependent (200–400 K) dielectric current leakage in high-quality,
epitaxial chromia films, synthesized on various conductive substrates (Pd, Pt and V 2 O 3) …

Structural, electrical and gas-sensitive properties of Cr2O3 thin films

AV Almaev, BO Kushnarev, EV Chernikov… - Superlattices and …, 2021 - Elsevier
Cr 2 O 3 thin films were synthesized by RF magnetron sputtering of a Cr target in an oxygen-
argon plasma. The effect of annealing temperature on the structural, electrical, and gas …

Spin Frustration Drives Exchange Bias Sign Crossover in CoFe2O4–Cr2O3 Nanocomposites

M Testa‐Anta, B Rivas‐Murias… - Advanced Functional …, 2019 - Wiley Online Library
A combined Raman spectroscopy and magnetometry study of CoFe2O4–Cr2O3
nanocomposites demonstrates the presence of spin–phonon interactions and exchange …

[HTML][HTML] Voltage controlled magnetism in Cr2O3 based all-thin-film systems

JL Wang, W Echtenkamp, A Mahmood… - Journal of Magnetism and …, 2019 - Elsevier
Voltage-control of exchange biases through active selection of distinct domain states of the
magnetoelectric and antiferromagnetic pinning layer is demonstrated for Cr 2 O 3/CoPd …

Graphene on Chromia: A System for Beyond‐Room‐Temperature Spintronics

K He, B Barut, S Yin, MD Randle, R Dixit… - Advanced …, 2022 - Wiley Online Library
Evidence of robust spin‐dependent transport in monolayer graphene, deposited on the
(0001) surface of the antiferromagnetic (AFM)/magneto‐electric oxide chromia (Cr2O3), is …

Effect of Cu2O Sputtering Power Variation on the Characteristics of Radio Frequency Sputtered p-Type Delafossite CuCrO2 Thin Films

S Sundaresh, AH Bharath, KB Sundaram - Coatings, 2023 - mdpi.com
For the first time, the effect of Cuprous Oxide (Cu2O) sputtering power variation on the radio
frequency sputtered Copper Chromium Oxide (CuCrO2) thin films was studied. In this work …