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Growth and multifunctional characterization of rubidium-doped L-glutamic acid hydrochloride bulk single crystals.

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Title: Growth and multifunctional characterization of rubidium-doped L-glutamic acid hydrochloride bulk single crystals.
Authors: D., Jancy1 (AUTHOR) jancy.d1606@gmail.com, Deva Jayanthi, D.2 (AUTHOR), Deephlin Tarika, J. D.3 (AUTHOR)
Source: Molecular Crystals & Liquid Crystals. 2026, Vol. 770 Issue 8, p1239-1254. 16p.
Subjects: Nonlinear optical materials, Anti-infective agents, Nonlinear optical techniques, Optical properties, Thermal stability, Single crystals
Abstract: Rubidium-doped L-glutamic acid hydrochloride (Rb:LGH) bulk single crystals were successfully grown by the slow evaporation technique to enhance the functional limitations of pure LGH and develop a multifunctional semi-organic material. The novelty of the present work lies in the systematic incorporation of RbCl into the LGH lattice and the comprehensive evaluation of its simultaneous impact on structural, optical, thermal, nonlinear optical, and antimicrobial properties. Powder X-ray diffraction confirmed the retention of the orthorhombic structure with slight lattice modifications, indicating successful dopant integration without phase transition. The doped crystal exhibited high optical transparency in the visible region with a wide band gap of 5.40 eV, demonstrating improved suitability for optoelectronic applications. The better nonlinear optical response brought about by the addition of rubidium is highlighted by the increased second harmonic production efficiency, which surpasses that of potassium dihydrogen phosphate (KDP). SEM examination showed dopant-induced morphological changes without sacrificing crystalline quality, while thermal analysis verified stability up to 222 °C. Crucially, the crystal showed strong concentration-dependent antifungal and antibacterial activity, broadening its range of applications beyond those of traditional photonic materials. Rb:LGH is a unique multifunctional material with potential applications in photonic, optoelectronic, and biomedical technologies due to its combined increase of nonlinear optical performance and antibacterial activity applications of optoelectronics. [ABSTRACT FROM AUTHOR]
Copyright of Molecular Crystals & Liquid Crystals is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 193816289
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  Data: Growth and multifunctional characterization of rubidium-doped L-glutamic acid hydrochloride bulk single crystals.
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  Data: <searchLink fieldCode="AR" term="%22D%2E%2C+Jancy%22">D., Jancy</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jancy.d1606@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Deva+Jayanthi%2C+D%2E%22">Deva Jayanthi, D.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deephlin+Tarika%2C+J%2E+D%2E%22">Deephlin Tarika, J. D.</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Molecular+Crystals+%26+Liquid+Crystals%22">Molecular Crystals & Liquid Crystals</searchLink>. 2026, Vol. 770 Issue 8, p1239-1254. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Nonlinear+optical+materials%22">Nonlinear optical materials</searchLink><br /><searchLink fieldCode="DE" term="%22Anti-infective+agents%22">Anti-infective agents</searchLink><br /><searchLink fieldCode="DE" term="%22Nonlinear+optical+techniques%22">Nonlinear optical techniques</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+properties%22">Optical properties</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+stability%22">Thermal stability</searchLink><br /><searchLink fieldCode="DE" term="%22Single+crystals%22">Single crystals</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Rubidium-doped L-glutamic acid hydrochloride (Rb:LGH) bulk single crystals were successfully grown by the slow evaporation technique to enhance the functional limitations of pure LGH and develop a multifunctional semi-organic material. The novelty of the present work lies in the systematic incorporation of RbCl into the LGH lattice and the comprehensive evaluation of its simultaneous impact on structural, optical, thermal, nonlinear optical, and antimicrobial properties. Powder X-ray diffraction confirmed the retention of the orthorhombic structure with slight lattice modifications, indicating successful dopant integration without phase transition. The doped crystal exhibited high optical transparency in the visible region with a wide band gap of 5.40 eV, demonstrating improved suitability for optoelectronic applications. The better nonlinear optical response brought about by the addition of rubidium is highlighted by the increased second harmonic production efficiency, which surpasses that of potassium dihydrogen phosphate (KDP). SEM examination showed dopant-induced morphological changes without sacrificing crystalline quality, while thermal analysis verified stability up to 222 °C. Crucially, the crystal showed strong concentration-dependent antifungal and antibacterial activity, broadening its range of applications beyond those of traditional photonic materials. Rb:LGH is a unique multifunctional material with potential applications in photonic, optoelectronic, and biomedical technologies due to its combined increase of nonlinear optical performance and antibacterial activity applications of optoelectronics. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Molecular Crystals & Liquid Crystals is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/15421406.2026.2654660
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        Text: English
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        Type: general
      – SubjectFull: Anti-infective agents
        Type: general
      – SubjectFull: Nonlinear optical techniques
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      – SubjectFull: Optical properties
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      – SubjectFull: Thermal stability
        Type: general
      – SubjectFull: Single crystals
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      – TitleFull: Growth and multifunctional characterization of rubidium-doped L-glutamic acid hydrochloride bulk single crystals.
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            NameFull: D., Jancy
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            NameFull: Deva Jayanthi, D.
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            NameFull: Deephlin Tarika, J. D.
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              Text: 2026
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