zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1620Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESУсиление ЛИЭС-сигналов кальция за счет одновременного использования наночастиц и приложения слабого электрического поляEnhancement of Calcium LIBS Signals by the Simultaneous Use of Nanoparticles Together with the Application of a Weak Electric FieldBoggioN.BoggioN.

Сан-Мартин, Буэнос-Айрес

Norberto Boggio

San Martin, Buenos Aires

norbertoboggio@cnea.gob.arVorobioffJ.VorobioffJ.

Сан-Мартин, Буэнос-Айрес

Juan Vorobioff

San Martín, Buenos Aires

RinaldiC. A.RinaldiC. A.

Сан-Мартин, Буэнос-Айрес

Carlos A. Rinaldi

San Martin, Buenos Aires

Институт нанонауки и нанотехнологий (CNEA – CONICET); Национальная комиссия по атомной энергииInstituto de Nanociencia y Nanotecnología (CNEA – CONICET), Nodo Constituyentes; Comisión Nacional de Energía AtómicaИнститут нанонауки и нанотехнологий (CNEA – CONICET); Национальный технологический университет C.A.B.A.Instituto de Nanociencia y Nanotecnología (CNEA – CONICET), Nodo Constituyentes; Universidad Tecnológica Nacional, C.A.B.A.Национальная комиссия по атомной энергии; ITECA, UNSAM – CONICETComisión Nacional de Energía Atómica; ITECA, UNSAM – CONICET202402082024914607607Copyright © Boggio N., Vorobioff J., Rinaldi C.A., 20242024Boggio N., Vorobioff J., Rinaldi C.A.Boggio N., Vorobioff J., Rinaldi C.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/1620

Изучено усиление сигнала лазерно-искровой эмиссионной спектроскопией (ЛИЭС) за счет применения электрического поля малой мощности в зоне формирования плазмы в сочетании с использованием наночастиц на поверхности образца. Исследованы образцы, состоящие из порошка металлического Zn в качестве матричного элемента с включением небольших количеств Ca в виде CaCO3. Сочетание двух методов приводит к 3.5-кратному усилению ЛИЭС-сигналов для образцов, содержащих 0.05 мас.% CaCO3, при воздействии электрического поля напряженностью 60 В/см с наночастицами на поверхности.

One of the inherent limitations associated with laser-induced breakdown spectroscopy (LIBS) in the identification of elements lies in the strength of the emission signals. Several approaches exist to enhance the emission capacity of LIBS. In this particular investigation, our focus was on amplifying the signal intensity of LIBS through the utilization of two techniques. These techniques include the application of a low-power electric field within the zone where plasma is formed, in conjunction with the utilization of nanoparticles on the surface of the sample. Specifically, our analysis involved the examination of samples consisting of metallic Zn powder as the matrix element, with the incorporation of small quantities of Ca in the form of CaCO3. The combination of these two methods resulted in unprecedented outcomes, demonstrating a 3.5-fold increase in samples containing 0.05% w/w of CaCO3 when subjected to an electric field of 60 V/cm, while bearing nanoparticles on their surface.

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The authors declare that there are no conflicts of interest present.