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

   https://doi.org/10.1063/1.5116549  

   Chen, Yizhang; Cogulu, Egecan; Roy, Debangsu; Ding, Jinjun; Mohammadi, Jamileh_Beik; Kotula, Paul_G; Missert, Nancy_A; Wu, Mingzhong; Kent, Andrew_D (October 2019, AIP Advances)

   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. 

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2. Dephasing of transverse spin current in ferrimagnetic alloys

   https://doi.org/10.1103/PhysRevB.103.024443  

   Lim, Youngmin; Khodadadi, Behrouz; Li, Jie-Fang; Viehland, Dwight; Manchon, Aurelien; Emori, Satoru (January 2021, Physical Review B)

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3. Ferrimagnetic insulators for spintronics: Beyond garnets

   https://doi.org/10.1063/5.0033259  

   Emori, Satoru; Li, Peng (January 2021, Journal of Applied Physics)

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4. Electric field modulation of magnetism in ferrimagnetic Heusler heterostructures

   https://doi.org/10.1103/PhysRevB.101.134419  

   Sun, Qilong; Kwon, Sohee; Stamenova, Maria; Sanvito, Stefano; Kioussis, Nicholas (April 2020, Physical Review B)
5. Strain transfer in ferroelectric-ferrimagnetic magnetoelectric composite

   https://doi.org/10.1103/PhysRevB.103.L140106  

   Saha, Sujoy; Singh, Ram Prakash; Liu, Ying; Swain, Atal Bihari; Kumar, Amritesh; Subramanian, V.; Arockiarajan, A.; Srinivasan, G.; Ranjan, Rajeev (April 2021, Physical Review B)