Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Drug Repurposing Screen Identifies Pimozide as a ROS-Inducing Therapy With Anti-Tumor Efficacy in HNSCC PDX Models.

Cancer science·2025

Same author

A Case of Follicular Dendritic Cell Sarcoma of the Palatine Tonsil That Developed as a Radiation-Induced Sarcoma.

Case reports in otolaryngology·2025

Same author

A Fast Algorithm for the Real-Valued Combinatorial Pure Exploration of the Multi-Armed Bandit.

Neural computation·2024

Same author

Ectopic adrenocorticotropic hormone syndrome in patients with olfactory neuroblastoma.

Endocrine-related cancer·2024

Same author

Ventriculosubgaleal shunt placement for hydrocephalus in osteogenesis imperfecta with novel compound heterozygous CRTAP variants.

Human genome variation·2024

Same author

Unified Interpretations of Two Kinds of Needle-Shaped Precipitates Using Transmission Electron Microscopy and Small-Angle Neutron Scattering in Aged Al-Mg<sub>2</sub>Si(-Cu) Alloys.

Nanomaterials (Basel, Switzerland)·2024

Search research articles

Related Experiment Video

Updated: May 19, 2026

Fabrication of Bi2Te3 and Sb2Te3 Thermoelectric Thin Films using Radio Frequency Magnetron Sputtering Technique

Fabrication of Bi₂Te₃ and Sb₂Te₃ Thermoelectric Thin Films using Radio Frequency Magnetron Sputtering Technique

Published on: May 17, 2024

Metal-doped magnetite thin films.

Seishi Abe¹, De Hai Ping, Shintaro Nakamura

¹Research Institute for Electromagnetic Materials, Sendai 982-0807, Japan.

Journal of Nanoscience and Nanotechnology

|August 22, 2012

Summary

Germanium (Ge) selectively reduces hematite in magnetite films, unlike magnesium (Mg) which reduces both hematite and magnetite. This difference impacts magnetic properties and film composition.

Area of Science:

Materials Science
Solid State Physics
Nanotechnology

Background:

Magnetite (Fe3O4) thin films are crucial for various electronic and magnetic applications.
Controlling the phase purity and magnetic properties of these films is essential for device performance.
Doping with other elements can alter the chemical and magnetic behavior of magnetite.

Purpose of the Study:

To investigate the effect of germanium (Ge) and magnesium (Mg) doping on magnetite (Fe3O4) thin films.
To understand the selective reduction of iron oxides (hematite and magnetite) by different metal elements.
To correlate the chemical changes with the magnetic properties of the doped films.

Main Methods:

Fabrication of Fe3O4 thin films using radio frequency (rf) sputtering with composite targets.

More Related Videos

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates

Radio Frequency Magnetron Sputtering of GdBa₂Cu₃O₇₋_δ/ La_0.67Sr_0.33MnO₃ Quasi-bilayer Films on SrTiO₃ (STO) Single-crystal Substrates

Published on: April 12, 2019

Formation of Thick Dense Yttrium Iron Garnet Films Using Aerosol Deposition

Formation of Thick Dense Yttrium Iron Garnet Films Using Aerosol Deposition

Published on: May 15, 2015

Related Experiment Videos

Last Updated: May 19, 2026

Fabrication of Bi2Te3 and Sb2Te3 Thermoelectric Thin Films using Radio Frequency Magnetron Sputtering Technique

Fabrication of Bi₂Te₃ and Sb₂Te₃ Thermoelectric Thin Films using Radio Frequency Magnetron Sputtering Technique

Published on: May 17, 2024

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates

Radio Frequency Magnetron Sputtering of GdBa₂Cu₃O₇₋_δ/ La_0.67Sr_0.33MnO₃ Quasi-bilayer Films on SrTiO₃ (STO) Single-crystal Substrates

Published on: April 12, 2019

Formation of Thick Dense Yttrium Iron Garnet Films Using Aerosol Deposition

Formation of Thick Dense Yttrium Iron Garnet Films Using Aerosol Deposition

Published on: May 15, 2015

Incorporation of specific percentages of Ge and Mg into the magnetite films.

Low-temperature magnetization measurements to assess magnetic properties.

Thermodynamic analysis (free energy of reaction) to predict chemical behavior.

Main Results:

Magnetite films doped with 5.3% Ge exhibited magnetically weak coupling grains.
Magnesium (Mg) doping led to the reduction of both hematite (α-Fe2O3) and magnetite (Fe3O4), forming single-phase wüstite (Fe1-xO).
Germanium (Ge) doping selectively reduced hematite, leaving magnetite unreactive, consistent with thermodynamic predictions.

Conclusions:

The selective reduction capability of dopant elements is critical for controlling phase composition in iron oxide films.
Germanium's ability to reduce only hematite, while magnesium reduces both hematite and magnetite, offers distinct pathways for tailoring film properties.
These findings provide valuable insights for designing and fabricating advanced magnetic thin films with desired characteristics.