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Title: Competing Magnetic Interactions and Field-Induced Metamagnetic Transition in Highly Crystalline Phase-Tunable Iron Oxide Nanorods

Journal Article · · Nanomaterials
DOI:https://doi.org/10.3390/nano13081340· OSTI ID:1969576

The inherent existence of multi phases in iron oxide nanostructures highlights the significance of them being investigated deliberately to understand and possibly control the phases. Here, the effects of annealing at 250 °C with a variable duration on the bulk magnetic and structural properties of high aspect ratio biphase iron oxide nanorods with ferrimagnetic Fe3O4 and antiferromagnetic α-Fe2O3 are explored. Increasing annealing time under a free flow of oxygen enhanced the α-Fe2O3 volume fraction and improved the crystallinity of the Fe3O4 phase, identified in changes in the magnetization as a function of annealing time. A critical annealing time of approximately 3 h maximized the presence of both phases, as observed via an enhancement in the magnetization and an interfacial pinning effect. This is attributed to disordered spins separating the magnetically distinct phases which tend to align with the application of a magnetic field at high temperatures. The increased antiferromagnetic phase can be distinguished due to the field-induced metamagnetic transitions observed in structures annealed for more than 3 h and was especially prominent in the 9 h annealed sample. Our controlled study in determining the changes in volume fractions with annealing time will enable precise control over phase tunability in iron oxide nanorods, allowing custom-made phase volume fractions in different applications ranging from spintronics to biomedical applications.

Sponsoring Organization:
USDOE
Grant/Contract Number:
FG02-07ER46438
OSTI ID:
1969576
Journal Information:
Nanomaterials, Journal Name: Nanomaterials Vol. 13 Journal Issue: 8; ISSN 2079-4991
Publisher:
MDPI AGCopyright Statement
Country of Publication:
Switzerland
Language:
English

References (73)

The Verwey transition - a topical review journal March 2002
Mechanism and kinetics of magnetite oxidation under hydrothermal conditions journal January 2019
Controllable exchange bias in Fe/metamagnetic FeRh bilayers journal October 2014
Magnetic Iron Oxide Nanoparticles: Synthesis and Surface Functionalization Strategies journal October 2008
Determination of the blocking temperature of magnetic nanoparticles: The good, the bad, and the ugly journal November 2015
Direct Laser Writing of Magneto-Photonic Sub-Microstructures for Prospective Applications in Biomedical Engineering journal May 2017
Magnetism and spin-dependent transport phenomena across Verwey and Morin transitions in iron oxide/Pt bilayers journal February 2023
Suppression of the Verwey Transition by Charge Trapping journal February 2018
Spin Seebeck Effect in Iron Oxide Thin Films: Effects of Phase Transition, Phase Coexistence, And Surface Magnetism journal March 2022
Magnetically tunable organic semiconductors with superparamagnetic nanoparticles journal January 2019
A Review on Iron Oxide Nanoparticles and Their Biomedical Applications journal August 2018
Exchange Bias, Memory and Freezing Effects in NiFe2O4 Nanoparticles journal October 2010
Anisotropic magnetoresistance and nontrivial spin Hall magnetoresistance in Pt / α − F e 2 O 3 bilayers journal December 2019
Experimental and theoretical studies of nanoparticles of antiferromagnetic materials journal May 2007
Catalytic activity of Au nanoparticles journal August 2007
Effects of annealing temperature on the magnetic properties of highly crystalline biphase iron oxide nanorods journal February 2023
Clinical applications of magnetic nanoparticles for hyperthermia journal January 2008
The Iron Oxides book July 2003
Enhanced Magnetism and Anomalous Hall Transport through Two-Dimensional Tungsten Disulfide Interfaces journal February 2023
Magnetic Nanoparticles Used in Oncology journal October 2021
On the detection of surface spin freezing in iron oxide nanoparticles and its long-term evolution under ambient oxidation journal November 2020
Origin and Shell-Driven Optimization of the Heating Power in Core/Shell Bimagnetic Nanoparticles journal January 2020
Nanoparticles in Energy Technology: Examples from Electrochemistry and Catalysis journal March 2005
A Facile Synthetic Route for the Preparation of Superparamagnetic Iron Oxide Nanorods and Nanorices with Tunable Surface Functionality journal May 2008
Solvothermal Synthesis of Tunable Electroactive Magnetite Nanorods by Controlling the Side Reaction journal February 2012
Metamagnetic transitions in Y0.5Er0.5Fe2D4.2 deuteride studied by high magnetic field and neutron diffraction experiments journal May 2019
Low temperature FMR investigations on double surfactant water based ferrofluid journal January 2015
Predicting a major role of surface spins in the magnetic properties of ferrite nanoparticles journal May 2009
Long-distance spin-transport across the Morin phase transition up to room temperature in ultra-low damping single crystals of the antiferromagnet α-Fe2O3 journal December 2020
Tuning exchange bias in Fe/γ-Fe 2 O 3 core-shell nanoparticles: Impacts of interface and surface spins journal February 2014
Morin transition temperature in (0001)-oriented α-Fe 2 O 3 thin film and effect of Ir doping journal May 2015
Heusler nanoparticles for spintronics and ferromagnetic shape memory alloys
  • Wang, Changhai; Meyer, Judith; Teichert, Niclas
  • Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, Vol. 32, Issue 2 https://doi.org/10.1116/1.4866418
journal March 2014
Nano-electronics and spintronics with nanoparticles journal April 2011
Magnetic Properties of Cluster Glassy Ni/NiO Core–Shell Nanoparticles: an Investigation of Their Static and Dynamic Magnetization journal May 2015
Zur Theorie des Ferromagnetismus journal March 1930
Epitaxial magnetite nanorods with enhanced room temperature magnetic anisotropy journal January 2017
Spin-glass-like freezing of inner and outer surface layers in hollow γ-Fe2O3 nanoparticles journal October 2015
Changes in remanence, coercivity and domain state at low temperature in magnetite journal January 2002
Low-temperature magnetic behavior of titanomagnetites journal April 1998
Evidence for a single-stage Verwey-transition in perfect magnetite journal November 1991
Hybrid magnetic nanoparticles as efficient nanoheaters in biomedical applications journal January 2021
Coercivity and Exchange Bias in Ti-Doped Maghemite Nanoparticles journal November 2022
Tunable High Aspect Ratio Iron Oxide Nanorods for Enhanced Hyperthermia journal April 2016
Room-Temperature Coercivity of Ni/NiO Core/Shell Nanoparticles Fabricated by Pulsed Laser Deposition journal January 2010
On the distribution of Verwey transition temperatures in natural magnetites journal October 2020
Tunable competing magnetic anisotropies and spin reconfigurations in ferrimagnetic Fe100xGdx alloy films journal September 2021
Enhanced coercivity of exchange-bias Fe/MnPd bilayers journal August 1999
Emergent magnetic properties of biphase iron oxide nanorods journal March 2022
Shape- and field-dependent Morin transitions in structured α-Fe2O3 journal September 2009
Photopolymerization-based synthesis of iron oxide nanoparticle embedded PNIPAM nanogels for biomedical applications journal January 2017
Low temperature ferromagnetic properties, magnetic field induced spin order and random spin freezing effect in Ni1.5Fe1.5O4 ferrite; prepared at different pH values and annealing temperatures journal August 2018
Superparamagnetism and metamagnetic transition in Fe3O4 nanoparticles synthesized via co-precipitation method at different pH journal September 2015
Emergent magnetism and exchange bias effect in iron oxide nanocubes with tunable phase and size journal October 2022
Surface Spin Disorder in NiFe 2 O 4 Nanoparticles journal July 1996
Size-dependent structure and magnetic properties of DyMnO 3 nanoparticles journal September 2014
Surface Effects on Morin Transition, Exchange Bias, and Enchanced Spin Reorientation in Chemically Synthesized DyFeO3 Nanoparticles journal January 2011
Stabilization and functionalization of iron oxide nanoparticles for biomedical applications journal January 2011
On a generalised approach to first and second order magnetic transitions journal September 1964
Superparamagnetism journal April 1959
Beating Thermal Deterioration of Magnetization with Mn4C and Exchange Bias in Mn–C Nanoparticles journal December 2018
Effect of the phase composition of iron oxide nanorods on SO2 gas sensing performance journal February 2021
Magnetic Properties of Small Magnetite Nanocrystals journal October 2013
Electronic conductivity and transition point of magnetite (“Fe3O4”) journal November 1941
Iron oxide nanorods as high-performance magnetic resonance imaging contrast agents journal January 2015
Magnetic Anisotropy in Antiferromagnetic Corundum-Type Sesquioxides journal May 1965
Unlocking the Potential of Magnetotactic Bacteria as Magnetic Hyperthermia Agents journal August 2019
Domain state exchange bias in a single layer FeRh thin film formed via low energy ion implantation journal January 2023
Rechargeable battery using a novel iron oxide nanorods anode and a nickel hydroxide cathode in an aqueous electrolyte journal January 2011
Effect of atomic steps on the interfacial interaction of Fe Mn Co films grown on vicinal Cu(001) journal August 2007
Ferromagnetic Resonance Absorption in Magnetite Single Crystals journal May 1950
Magnetic nanomaterials for hyperthermia-based therapy and controlled drug delivery journal August 2011
Volume dependence of the first-order transition temperature for RCo2compounds journal August 1982
Electronic Conduction of Magnetite (Fe3O4) and its Transition Point at Low Temperatures journal August 1939

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