Change in Magnetic Order in NiPS3 Single Crystals Induced by a Molecular Intercalation
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arXiv
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2024
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| author | Chakraborty, Nirman Harchol, Adi Abu-Hariri, Azhar Yadav, Rajesh Kumar Dawod, Muhamed Gaonkar, Diksha Prabhu Sharma, Kusha Eyal, Anna Amouyal, Yaron Naveh, Doron Lifshitz, Efrat |
| author_facet | Chakraborty, Nirman Harchol, Adi Abu-Hariri, Azhar Yadav, Rajesh Kumar Dawod, Muhamed Gaonkar, Diksha Prabhu Sharma, Kusha Eyal, Anna Amouyal, Yaron Naveh, Doron Lifshitz, Efrat |
| contents | Intercalation is a robust method for tuning the physical properties of a vast number of van der Waals (vdW) materials. However, the prospects of using intercalation to modify magnetism in vdWs systems and the associated mechanisms have not been investigated adequately. In this work, we modulate magnetic order in an XY antiferromagnet NiPS3 single crystals by introducing pyridine molecules into the vdWs gap under different thermal conditions. X-ray diffraction measurements indicated pronounced changes in the lattice parameter beta, while magnetization measurements at in-plane and out-of-plane configurations exposed reversal trends in the crystals Neel temperatures through intercalation-de-intercalation processes. The changes in magnetic ordering were also supported by three-dimensional thermal diffusivity experiments. The preferred orientation of the pyridine dipoles within vdW gaps was deciphered via polarized Raman spectroscopy. The results highlight the relation between the preferential alignment of the intercalants, thermal transport, and crystallographic disorder along with the modulation of anisotropy in the magnetic order. The theoretical concept of double-exchange interaction in NiPS3 was employed to explain the intercalation-induced magnetic ordering. The study uncovers the merit of intercalation as a foundation for spin switches and spin transistors in advanced quantum devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_11264 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Change in Magnetic Order in NiPS3 Single Crystals Induced by a Molecular Intercalation Chakraborty, Nirman Harchol, Adi Abu-Hariri, Azhar Yadav, Rajesh Kumar Dawod, Muhamed Gaonkar, Diksha Prabhu Sharma, Kusha Eyal, Anna Amouyal, Yaron Naveh, Doron Lifshitz, Efrat Materials Science Chemical Physics Intercalation is a robust method for tuning the physical properties of a vast number of van der Waals (vdW) materials. However, the prospects of using intercalation to modify magnetism in vdWs systems and the associated mechanisms have not been investigated adequately. In this work, we modulate magnetic order in an XY antiferromagnet NiPS3 single crystals by introducing pyridine molecules into the vdWs gap under different thermal conditions. X-ray diffraction measurements indicated pronounced changes in the lattice parameter beta, while magnetization measurements at in-plane and out-of-plane configurations exposed reversal trends in the crystals Neel temperatures through intercalation-de-intercalation processes. The changes in magnetic ordering were also supported by three-dimensional thermal diffusivity experiments. The preferred orientation of the pyridine dipoles within vdW gaps was deciphered via polarized Raman spectroscopy. The results highlight the relation between the preferential alignment of the intercalants, thermal transport, and crystallographic disorder along with the modulation of anisotropy in the magnetic order. The theoretical concept of double-exchange interaction in NiPS3 was employed to explain the intercalation-induced magnetic ordering. The study uncovers the merit of intercalation as a foundation for spin switches and spin transistors in advanced quantum devices. |
| title | Change in Magnetic Order in NiPS3 Single Crystals Induced by a Molecular Intercalation |
| topic | Materials Science Chemical Physics |
| url | https://arxiv.org/abs/2410.11264 |