Spin transport in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer as a function of temperature

Chen, Yizhang; Cogulu, Egecan; Roy, Debangsu; Ding, Jinjun; Mohammadi, Jamileh Beik; Kotula, Paul G.; Missert, Nancy A.; Wu, Mingzhong; Kent, Andrew D.

doi:10.1063/1.5116549

Title: Spin transport in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer as a function of temperature

Abstract

We present a study of the transport properties of thermally generated spin currents in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer over a wide range of temperature. Spin currents generated by the spin Seebeck effect (SSE) in a yttrium iron garnet (YIG) YIG/NiO/YIG trilayer on a gadolinium gallium garnet (GGG) substrate were detected using the inverse spin Hall effect (ISHE) in Pt. By studying samples with different NiO thicknesses, the spin diffusion length of NiO was determined to be ~3.8 nm at room temperature. Surprisingly, a large increase of the SSE signal was observed below 30 K, and the field dependence of the signal closely follows a Brillouin function for an S=7/2 spin. The increase of the SSE signal at low temperatures could thus be associated with the paramagnetic SSE from the GGG substrate. Besides, a broad peak in the SSE response was observed around 100 K. These observations are important in understanding the generation and transport properties of spin currents through magnetic insulators and the role of a paramagnetic substrate in spin current generation.

Authors:

^[1]; Cogulu, Egecan ^[1]; Roy, Debangsu ^[1]; Ding, Jinjun ^[2]; Mohammadi, Jamileh Beik ^[1];

^[3]; Missert, Nancy A. ^[3]; Wu, Mingzhong ^[2]; Kent, Andrew D. ^[1]

New York Univ., New York, NY (United States)
Colorado State Univ., Fort Collins, CO (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Publication Date:: Fri Oct 25 00:00:00 EDT 2019

Research Org.:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: IARPA; USDOE

OSTI Identifier:: 1575253

Alternate Identifier(s):: OSTI ID: 1571835

Report Number(s):: SAND-2019-13897J
Journal ID: ISSN 2158-3226; 681470; TRN: US2001079

Grant/Contract Number:: AC04-94AL85000; NA0003525

Resource Type:: Accepted Manuscript

Journal Name:: AIP Advances

Additional Journal Information:: Journal Volume: 9; Journal Issue: 10; Journal ID: ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats


                    Chen, Yizhang, Cogulu, Egecan, Roy, Debangsu, Ding, Jinjun, Mohammadi, Jamileh Beik, Kotula, Paul G., Missert, Nancy A., Wu, Mingzhong, and Kent, Andrew D. Spin transport in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer as a function of temperature.  United States: N. p., 2019. 
Web.  doi:10.1063/1.5116549.

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                    Chen, Yizhang, Cogulu, Egecan, Roy, Debangsu, Ding, Jinjun, Mohammadi, Jamileh Beik, Kotula, Paul G., Missert, Nancy A., Wu, Mingzhong, & Kent, Andrew D. Spin transport in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer as a function of temperature.  United States.  https://doi.org/10.1063/1.5116549

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                    Chen, Yizhang, Cogulu, Egecan, Roy, Debangsu, Ding, Jinjun, Mohammadi, Jamileh Beik, Kotula, Paul G., Missert, Nancy A., Wu, Mingzhong, and Kent, Andrew D. Fri .  
"Spin transport in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer as a function of temperature".  United States.  https://doi.org/10.1063/1.5116549.  https://www.osti.gov/servlets/purl/1575253.

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@article{osti_1575253,

  title        = {Spin transport in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer as a function of temperature},

  author       = {Chen, Yizhang and Cogulu, Egecan and Roy, Debangsu and Ding, Jinjun and Mohammadi, Jamileh Beik and Kotula, Paul G. and Missert, Nancy A. and Wu, Mingzhong and Kent, Andrew D.},

  abstractNote = {We present a study of the transport properties of thermally generated spin currents in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer over a wide range of temperature. Spin currents generated by the spin Seebeck effect (SSE) in a yttrium iron garnet (YIG) YIG/NiO/YIG trilayer on a gadolinium gallium garnet (GGG) substrate were detected using the inverse spin Hall effect (ISHE) in Pt. By studying samples with different NiO thicknesses, the spin diffusion length of NiO was determined to be ~3.8 nm at room temperature. Surprisingly, a large increase of the SSE signal was observed below 30 K, and the field dependence of the signal closely follows a Brillouin function for an S=7/2 spin. The increase of the SSE signal at low temperatures could thus be associated with the paramagnetic SSE from the GGG substrate. Besides, a broad peak in the SSE response was observed around 100 K. These observations are important in understanding the generation and transport properties of spin currents through magnetic insulators and the role of a paramagnetic substrate in spin current generation.},

  doi          = {10.1063/1.5116549},

  journal      = {AIP Advances},

  number       = 10,

  volume       = 9,

  place        = {United States},

  year         = {Fri Oct 25 00:00:00 EDT 2019},

  month        = {Fri Oct 25 00:00:00 EDT 2019}

}

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Title: Spin transport in an insulating ferrimagnetic-antiferromagnetic-ferrimagnetic trilayer as a function of temperature

Abstract

Citation Formats

Spin Pumping at the Magnetic Insulator (YIG)/Normal Metal (Au) Interfaces journal, August 2011

Excitation of spin waves by an electric current journal, May 1999

Enhanced Gilbert Damping in Thin Ferromagnetic Films journal, February 2002

Spin Hall Effect in the Presence of Spin Diffusion journal, July 2000

Observation of the spin-Seebeck effect in a ferromagnetic semiconductor journal, September 2010

Diffusive magnonic spin transport in antiferromagnetic insulators journal, February 2016

Spin Hall Effect journal, August 1999

Spin Seebeck effect in the antiferromagnet nickel oxide at room temperature journal, October 2017

Antiferromagnonic Spin Transport from Y 3 Fe 5 O 12 into NiO journal, August 2014

Paramagnetic Spin Seebeck Effect journal, May 2015

Antiferromagnet-based magnonic spin-transfer torque journal, July 2018

Frustration Induced Spin Freezing in a Site-Ordered Magnet: Gadolinium Gallium Garnet journal, March 1995

Magnon spin-current theory for the longitudinal spin-Seebeck effect journal, January 2014

Magnon Mediated Electric Current Drag Across a Ferromagnetic Insulator Layer journal, August 2012

Room-Temperature Reversible Spin Hall Effect journal, April 2007

Nanometer-Thick Yttrium Iron Garnet Films With Extremely Low Damping journal, January 2014

Enhancement of Thermally Injected Spin Current through an Antiferromagnetic Insulator journal, May 2016

Current-induced spin orientation of electrons in semiconductors journal, July 1971

Electrical spin injection and accumulation at room temperature in an all-metal mesoscopic spin valve journal, March 2001

Direct Observation of Coherent Exchange Scattering by Low-Energy Electron Diffraction from Antiferromagnetic NiO journal, September 1968

Spin transfer torque devices utilizing the giant spin Hall effect of tungsten journal, September 2012

Emission of spin waves by a magnetic multilayer traversed by a current journal, October 1996

Spin transport in antiferromagnetic NiO and magnetoresistance in Y 3 Fe 5 O 12 /NiO/Pt structures journal, May 2017

Magnon valves based on YIG/NiO/YIG all-insulating magnon junctions journal, October 2018

Influence of Thickness and Interface on the Low-Temperature Enhancement of the Spin Seebeck Effect in YIG Films journal, July 2016

Electrical Detection of Spin Backflow from an Antiferromagnetic Insulator/ Y 3 Fe 5 O 12 Interface journal, February 2017

Observation of longitudinal spin-Seebeck effect in magnetic insulators journal, October 2010

Antiferromagnetic Spin Seebeck Effect journal, March 2016

Observation of the spin Seebeck effect journal, October 2008

Giant magneto-spin-Seebeck effect and magnon transfer torques in insulating spin valves journal, January 2018

Magnetotransport properties of magnetically soft spin‐valve structures (invited) journal, April 1991

Long-distance spin transport in a disordered magnetic insulator journal, July 2017

First harmonic measurements of the spin Seebeck effect journal, November 2018

Spin hall Effect journal, April 2006

Observation of the Spin-Seebeck Effect in a Ferromagnetic Semiconductor text, January 2010

Spin transfer torque devices utilizing the giant spin Hall effect of tungsten text, January 2012

Magnon Mediated Electric Current Drag Across a Ferromagnetic Insulator Layer text, January 2012

Antiferromagnetic spin Seebeck Effect text, January 2015

Spin transport in antiferromagnetic NiO and magnetoresistance in Y$_3$Fe$_5$O$_{12}$/NiO/Pt structures preprint, January 2016

First harmonic measurements of the spin Seebeck effect text, January 2018

Room Temperature Reversible Spin Hall Effect text, January 2006

Spin Hall effect text, January 1999

Spin Pumping at the Magnetic Insulator (YIG)/Normal Metal (Au) Interfaces
journal, August 2011

Excitation of spin waves by an electric current
journal, May 1999

Enhanced Gilbert Damping in Thin Ferromagnetic Films
journal, February 2002

Spin Hall Effect in the Presence of Spin Diffusion
journal, July 2000

Observation of the spin-Seebeck effect in a ferromagnetic semiconductor
journal, September 2010

Diffusive magnonic spin transport in antiferromagnetic insulators
journal, February 2016

Spin Hall Effect
journal, August 1999

Spin Seebeck effect in the antiferromagnet nickel oxide at room temperature
journal, October 2017

Antiferromagnonic Spin Transport from $Y_{3} {Fe}_{5} O_{12}$ into NiO
journal, August 2014

Paramagnetic Spin Seebeck Effect
journal, May 2015

Antiferromagnet-based magnonic spin-transfer torque
journal, July 2018

Frustration Induced Spin Freezing in a Site-Ordered Magnet: Gadolinium Gallium Garnet
journal, March 1995

Magnon spin-current theory for the longitudinal spin-Seebeck effect
journal, January 2014

Magnon Mediated Electric Current Drag Across a Ferromagnetic Insulator Layer
journal, August 2012

Room-Temperature Reversible Spin Hall Effect
journal, April 2007

Nanometer-Thick Yttrium Iron Garnet Films With Extremely Low Damping
journal, January 2014

Enhancement of Thermally Injected Spin Current through an Antiferromagnetic Insulator
journal, May 2016

Current-induced spin orientation of electrons in semiconductors
journal, July 1971

Electrical spin injection and accumulation at room temperature in an all-metal mesoscopic spin valve
journal, March 2001

Direct Observation of Coherent Exchange Scattering by Low-Energy Electron Diffraction from Antiferromagnetic NiO
journal, September 1968

Spin transfer torque devices utilizing the giant spin Hall effect of tungsten
journal, September 2012

Emission of spin waves by a magnetic multilayer traversed by a current
journal, October 1996

Spin transport in antiferromagnetic NiO and magnetoresistance in Y ₃ Fe ₅ O ₁₂ /NiO/Pt structures
journal, May 2017

Magnon valves based on YIG/NiO/YIG all-insulating magnon junctions
journal, October 2018

Influence of Thickness and Interface on the Low-Temperature Enhancement of the Spin Seebeck Effect in YIG Films
journal, July 2016

Electrical Detection of Spin Backflow from an Antiferromagnetic Insulator/ $Y_{3} {Fe}_{5} O_{12}$ Interface
journal, February 2017

Observation of longitudinal spin-Seebeck effect in magnetic insulators
journal, October 2010

Antiferromagnetic Spin Seebeck Effect
journal, March 2016

Observation of the spin Seebeck effect
journal, October 2008

Giant magneto-spin-Seebeck effect and magnon transfer torques in insulating spin valves
journal, January 2018

Magnetotransport properties of magnetically soft spin‐valve structures (invited)
journal, April 1991

Long-distance spin transport in a disordered magnetic insulator
journal, July 2017

First harmonic measurements of the spin Seebeck effect
journal, November 2018

Spin hall Effect
journal, April 2006

Observation of the Spin-Seebeck Effect in a Ferromagnetic Semiconductor
text, January 2010

Spin transfer torque devices utilizing the giant spin Hall effect of tungsten
text, January 2012

Magnon Mediated Electric Current Drag Across a Ferromagnetic Insulator Layer
text, January 2012

Antiferromagnetic spin Seebeck Effect
text, January 2015

Spin transport in antiferromagnetic NiO and magnetoresistance in Y$_3$Fe$_5$O$_{12}$/NiO/Pt structures
preprint, January 2016

First harmonic measurements of the spin Seebeck effect
text, January 2018

Room Temperature Reversible Spin Hall Effect
text, January 2006

Spin Hall effect
text, January 1999