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Jon F. Ihlefeld
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Journal Articles

Erratum: “Photoinduced patterning of oxygen vacancies to promote the ferroelectric phase of Hf0.5Zr0.5O2” [Appl. Phys. Lett. 124 , 062902 (2024)]

Thomas E. Beechem, Fernando Vega, Samantha T. Jaszewski, Benjamin L. Aronson, Kyle P. Kelley, Jon. F. Ihlefeld
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 269901 (2024)
https://doi.org/10.1063/5.0223769
Published: June 2024
View article titled, Erratum: “Photoinduced patterning of oxygen vacancies to promote the ferroelectric phase of Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub>” [Appl. Phys. Lett. 124 , 062902 (2024)]
Open the PDF for Erratum: “Photoinduced patterning of oxygen vacancies to promote the ferroelectric phase of Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub>” [Appl. Phys. Lett. 124 , 062902 (2024)] in another window
Journal Articles

Oxygen diffusion coefficients in ferroelectric hafnium zirconium oxide thin films

Liron Shvilberg, Chuanzhen Zhou, Megan K. Lenox, Benjamin L. Aronson, Nicolas K. Lam, Samantha T. Jaszewski, Elizabeth J. Opila, Jon F. Ihlefeld
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 252905 (2024)
https://doi.org/10.1063/5.0209502
Published: June 2024
View article titled, Oxygen diffusion coefficients in ferroelectric hafnium zirconium oxide thin films
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Journal Articles

Increased thermal conductivity and decreased electron–phonon coupling factor of the aluminum scandium intermetallic phase (Al3Sc) compared to solid solutions

Daniel Hirt, Md. Rafiqul Islam, Md. Shafkat Bin Hoque, William Hutchins, Sara Makarem, Megan K. Lenox, William T. Riffe, Jon F. Ihlefeld, Ethan A. Scott, Giovanni Esteves, Patrick E. Hopkins
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 202202 (2024)
https://doi.org/10.1063/5.0201763
Published: May 2024
View article titled, Increased thermal conductivity and decreased electron–phonon coupling factor of the aluminum scandium intermetallic phase (Al<sub>3</sub>Sc) compared to solid solutions
Open the PDF for Increased thermal conductivity and decreased electron–phonon coupling factor of the aluminum scandium intermetallic phase (Al<sub>3</sub>Sc) compared to solid solutions in another window
Includes: Supplementary data
Journal Articles

Effect of background gas composition on the stoichiometry and lithium ion conductivity of pulse laser deposited epitaxial lithium lanthanum tantalate (Li3xLa1/3−xTaO3)

Ian A. Brummel, Chuanzhen Zhou, Jon F. Ihlefeld
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 42, 032705 (2024)
https://doi.org/10.1116/6.0003457
Published: April 2024
View article titled, Effect of background gas composition on the stoichiometry and lithium ion conductivity of pulse laser deposited epitaxial lithium lanthanum tantalate (Li<sub>3<em>x</em></sub>La<sub>1/3−<em>x</em></sub>TaO<sub>3</sub>)
Open the PDF for Effect of background gas composition on the stoichiometry and lithium ion conductivity of pulse laser deposited epitaxial lithium lanthanum tantalate (Li<sub>3<em>x</em></sub>La<sub>1/3−<em>x</em></sub>TaO<sub>3</sub>) in another window
Includes: Supplementary data
Journal Articles

Nonvolatile memory cells from hafnium zirconium oxide ferroelectric tunnel junctions using Nb and NbN electrodes

Jessica Haglund-Peterson, Benjamin L. Aronson, Samantha T. Jaszewski, Scott Habermehl, Giovanni Esteves, John F. Conley, Jr., Jon F. Ihlefeld, M. David Henry
Journal: Journal of Applied Physics
J. Appl. Phys. 135, 094104 (2024)
https://doi.org/10.1063/5.0191757
Published: March 2024
View article titled, Nonvolatile memory cells from hafnium zirconium oxide ferroelectric tunnel junctions using Nb and NbN electrodes
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Journal Articles

Perspectives and progress on wurtzite ferroelectrics: Synthesis, characterization, theory, and device applications

Joseph Casamento, Steven M. Baksa, Drew Behrendt, Sebastian Calderon, Devin Goodling, John Hayden, Fan He, Leonard Jacques, Seung Hoon Lee, Walter Smith, Albert Suceava, Quyen Tran, Xiaojun Zheng, Rui Zu, Thomas Beechem, Ismaila Dabo, Elizabeth C. Dickey, Giovanni Esteves, Venkatraman Gopalan, Michael David Henry, Jon F. Ihlefeld, Thomas N. Jackson, Sergei V. Kalinin, Kyle P. Kelley, Yongtao Liu, Andrew M. Rappe, Joan Redwing, Susan Trolier-McKinstry, Jon-Paul Maria
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 080501 (2024)
https://doi.org/10.1063/5.0185066
Published: February 2024
View article titled, Perspectives and progress on wurtzite ferroelectrics: Synthesis, characterization, theory, and device applications
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Journal Articles

Photoinduced patterning of oxygen vacancies to promote the ferroelectric phase of Hf0.5Zr0.5O2

Thomas E. Beechem, Fernando Vega, Samantha T. Jaszewski, Benjamin L. Aronson, Kyle P. Kelley, Jon. F. Ihlefeld
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 062902 (2024)
https://doi.org/10.1063/5.0186481
Published: February 2024
View article titled, Photoinduced patterning of oxygen vacancies to promote the ferroelectric phase of Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub>
Open the PDF for Photoinduced patterning of oxygen vacancies to promote the ferroelectric phase of Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> in another window
Journal Articles

Impact of high-power impulse magnetron sputtering pulse width on the nucleation, crystallization, microstructure, and ferroelectric properties of hafnium oxide thin films

Samantha T. Jaszewski, Shelby S. Fields, Ching-Chang Chung, Jacob L. Jones, Keithen G. Orson, Petra Reinke, Jon F. Ihlefeld
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 42, 023414 (2024)
https://doi.org/10.1116/6.0003307
Published: February 2024
View article titled, Impact of high-power impulse magnetron sputtering pulse width on the nucleation, crystallization, microstructure, and ferroelectric properties of hafnium oxide thin films
Open the PDF for Impact of high-power impulse magnetron sputtering pulse width on the nucleation, crystallization, microstructure, and ferroelectric properties of hafnium oxide thin films in another window
Includes: Supplementary data
Journal Articles

Applied in-plane strain effects on the polarization response of ferroelectric hafnium zirconium oxide thin films

Jon F. Ihlefeld, Travis Peters, Samantha T. Jaszewski, Takanori Mimura, Benjamin L. Aronson, Susan Trolier-McKinstry
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 082901 (2023)
https://doi.org/10.1063/5.0165072
Published: August 2023
View article titled, Applied in-plane strain effects on the polarization response of ferroelectric hafnium zirconium oxide thin films
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Includes: Supplementary data
Journal Articles

The growth of self-intercalated Nb1+xSe2 by molecular beam epitaxy: The effect of processing conditions on the structure and electrical resistivity

Peter M. Litwin, Samantha T. Jaszewski, Wendy L. Sarney, Asher C. Leff, Sergiy Krylyuk, Albert V. Davydov, Jon F. Ihlefeld, Stephen J. McDonnell
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 41, 042707 (2023)
https://doi.org/10.1116/6.0002593
Published: June 2023
View article titled, The growth of self-intercalated Nb<sub>1+<em>x</em></sub>Se<sub>2</sub> by molecular beam epitaxy: The effect of processing conditions on the structure and electrical resistivity
Open the PDF for The growth of self-intercalated Nb<sub>1+<em>x</em></sub>Se<sub>2</sub> by molecular beam epitaxy: The effect of processing conditions on the structure and electrical resistivity in another window
Includes: Supplementary data
Journal Articles

Optical properties of pulsed dc magnetron sputtered thin film tantalum nitride by spectroscopic ellipsometry

Editor’s Pick
Bishal Shrestha, Samantha T. Jaszewski, Jon F. Ihlefeld, Steve L. Wolfley, M. David Henry, Nikolas J. Podraza
Journal: Surface Science Spectra
Surf. Sci. Spectra 30, 016001 (2023)
https://doi.org/10.1116/6.0002441
Published: June 2023
View article titled, Optical properties of pulsed dc magnetron sputtered thin film tantalum nitride by spectroscopic ellipsometry
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Includes: Supplementary data
Journal Articles

Oxygen vacancy contributions to the electrical stress response and endurance of ferroelectric hafnium zirconium oxide thin films

Featured
Antik Mallick, Megan K. Lenox, Thomas E. Beechem, Jon F. Ihlefeld, Nikhil Shukla
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 132902 (2023)
https://doi.org/10.1063/5.0142789
Published: March 2023
View article titled, Oxygen vacancy contributions to the electrical stress response and endurance of ferroelectric hafnium zirconium oxide thin films
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Journal Articles

Publisher's Note: “A Perspective on ferroelectricity in hafnium oxide: Mechanisms and considerations regarding its stability and performance” [Appl. Phys. Lett. 121 , 240502 (2022)]

Jon F. Ihlefeld, Samantha T. Jaszewski, Shelby S. Fields
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 019901 (2023)
https://doi.org/10.1063/5.0139749
Published: January 2023
View article titled, Publisher's Note: “A Perspective on ferroelectricity in hafnium oxide: Mechanisms and considerations regarding its stability and performance” [Appl. Phys. Lett. 121 , 240502 (2022)]
Open the PDF for Publisher's Note: “A Perspective on ferroelectricity in hafnium oxide: Mechanisms and considerations regarding its stability and performance” [Appl. Phys. Lett. 121 , 240502 (2022)] in another window
Journal Articles

A Perspective on ferroelectricity in hafnium oxide: Mechanisms and considerations regarding its stability and performance

Jon F. Ihlefeld, Samantha T. Jaszewski, Shelby S. Fields
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 240502 (2022)
https://doi.org/10.1063/5.0129546
Published: December 2022
View article titled, A Perspective on ferroelectricity in hafnium oxide: Mechanisms and considerations regarding its stability and performance
Open the PDF for A Perspective on ferroelectricity in hafnium oxide: Mechanisms and considerations regarding its stability and performance in another window
Journal Articles

Exploring leakage in dielectric films via automated experiments in scanning probe microscopy

Yongtao Liu, Shelby S. Fields, Takanori Mimura, Kyle P. Kelley, Susan Trolier-McKinstry, Jon F. Ihlefeld, Sergei V. Kalinin
Journal: Applied Physics Letters
Appl. Phys. Lett. 120, 182903 (2022)
https://doi.org/10.1063/5.0079217
Published: May 2022
View article titled, Exploring leakage in dielectric films via automated experiments in scanning probe microscopy
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Includes: Supplementary data
Journal Articles

Wake-up and fatigue mechanisms in ferroelectric Hf0.5Zr0.5O2 films with symmetric RuO2 electrodes

Shelby S. Fields, Sean W. Smith, Samantha T. Jaszewski, Takanori Mimura, Diane A. Dickie, Giovanni Esteves, M. David Henry, Steve L. Wolfley, Paul S. Davids, Jon F. Ihlefeld
Journal: Journal of Applied Physics
J. Appl. Phys. 130, 134101 (2021)
https://doi.org/10.1063/5.0064145
Published: October 2021
View article titled, Wake-up and fatigue mechanisms in ferroelectric Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> films with symmetric RuO<sub>2</sub> electrodes
Open the PDF for Wake-up and fatigue mechanisms in ferroelectric Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> films with symmetric RuO<sub>2</sub> electrodes in another window
Includes: Supplementary data
Journal Articles

Erratum: “Compositional and phase dependence of elastic modulus of crystalline and amorphous Hf1-xZrxO2 thin films” [Appl. Phys. Lett. 118 , 102901 (2021)]

Shelby S. Fields, David H. Olson, Samantha T. Jaszewski, Chris M. Fancher, Sean W. Smith, Diane A. Dickie, Giovanni Esteves, M. David Henry, Paul S. Davids, Patrick E. Hopkins, Jon F. Ihlefeld
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 129901 (2021)
https://doi.org/10.1063/5.0068886
Published: September 2021
View article titled, Erratum: “Compositional and phase dependence of elastic modulus of crystalline and amorphous Hf<sub>1-</sub><sub><em>x</em></sub>Zr<sub><em>x</em></sub>O<sub>2</sub> thin films” [Appl. Phys. Lett. 118 , 102901 (2021)]
Open the PDF for Erratum: “Compositional and phase dependence of elastic modulus of crystalline and amorphous Hf<sub>1-</sub><sub><em>x</em></sub>Zr<sub><em>x</em></sub>O<sub>2</sub> thin films” [Appl. Phys. Lett. 118 , 102901 (2021)] in another window
Journal Articles

Compositional and phase dependence of elastic modulus of crystalline and amorphous Hf1-xZrxO2 thin films

Editor’s Pick
Shelby S. Fields, David H. Olson, Samantha T. Jaszewski, Chris M. Fancher, Sean W. Smith, Diane A. Dickie, Giovanni Esteves, M. David Henry, Paul S. Davids, Patrick E. Hopkins, Jon F. Ihlefeld
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 102901 (2021)
https://doi.org/10.1063/5.0044702
Published: March 2021
View article titled, Compositional and phase dependence of elastic modulus of crystalline and amorphous Hf<sub>1-</sub><sub><em>x</em></sub>Zr<sub><em>x</em></sub>O<sub>2</sub> thin films
Open the PDF for Compositional and phase dependence of elastic modulus of crystalline and amorphous Hf<sub>1-</sub><sub><em>x</em></sub>Zr<sub><em>x</em></sub>O<sub>2</sub> thin films in another window
Includes: Supplementary data
Journal Articles

Unexpectedly large remanent polarization of Hf0.5Zr0.5O2 metal–ferroelectric–metal capacitor fabricated without breaking vacuum

Younghwan Lee, H. Alex Hsain, Shelby S. Fields, Samantha T. Jaszewski, Madison D. Horgan, Patrick G. Edgington, Jon F. Ihlefeld, Gregory N. Parsons, Jacob L. Jones
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 012903 (2021)
https://doi.org/10.1063/5.0029532
Published: January 2021
View article titled, Unexpectedly large remanent polarization of Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> metal–ferroelectric–metal capacitor fabricated without breaking vacuum
Open the PDF for Unexpectedly large remanent polarization of Hf<sub>0.5</sub>Zr<sub>0.5</sub>O<sub>2</sub> metal–ferroelectric–metal capacitor fabricated without breaking vacuum in another window
Includes: Supplementary data
Journal Articles

Compositional dependence of linear and nonlinear optical response in crystalline hafnium zirconium oxide thin films

Jon F. Ihlefeld, Ting S. Luk, Sean W. Smith, Shelby S. Fields, Samantha T. Jaszewski, Daniel M. Hirt, Will T. Riffe, Scott Bender, Costel Constantin, Mukil V. Ayyasamy, Prasanna V. Balachandran, Ping Lu, M. David Henry, Paul S. Davids
Journal: Journal of Applied Physics
J. Appl. Phys. 128, 034101 (2020)
https://doi.org/10.1063/5.0012175
Published: July 2020
View article titled, Compositional dependence of linear and nonlinear optical response in crystalline hafnium zirconium oxide thin films
Open the PDF for Compositional dependence of linear and nonlinear optical response in crystalline hafnium zirconium oxide thin films in another window
Includes: Supplementary data