Site-specific substitution in the structure of Ni2Zn11 by the coinage metals (Cn = Ag and Au) to alter the magnetism

Amit Mondal; Siddha Sankalpa Sethi; Jayanta Dutta; Rahul Pan; Sandip Kumar Kuila; Weiwei Xie; Ahin Roy; Partha Pratim Jana

doi:10.1039/D5DT01703C

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Site-specific substitution in the structure of Ni₂Zn₁₁ by the coinage metals (Cn = Ag and Au) to alter the magnetism

Amit Mondal,

^a Siddha Sankalpa Sethi,

^ab Jayanta Dutta,

^a Rahul Pan,

†^a Sandip Kumar Kuila,

†^a Weiwei Xie,^c Ahin Roy

^d and Partha Pratim Jana

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, IIT Kharagpur, Kharagpur 721302, India
E-mail: ppj@chem.iitkgp.ac.in

^b Department of Metallurgical and Materials Engineering, IIT Kharagpur, Kharagpur 721302, India

^c Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA

^d Materials Science Centre, IIT Kharagpur, Kharagpur 721302, India

Abstract

The factors influencing the site preference of Ni in the structure of Ni₂Zn₁₁ (I [4 with combining macron] 3m) are discussed in this study. The insertion of the coinage metals (Cn = Ag and Au) in the structure of the ternary Ni–Zn–Cn γ-brass system is site-specific, and this site specificity of nonmagnetic Cn surprisingly modifies the magnetic behaviour. While Ni₂Zn₁₁ shows diamagnetic behavior, Ni₂Zn_10.25Cn_0.75 exhibits itinerant electron paramagnetism.

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DOI: https://doi.org/10.1039/D5DT01703C
Article type: Communication
Submitted: 19 Jul 2025
Accepted: 18 Sep 2025
First published: 08 Oct 2025

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Dalton Trans., 2025,54, 15395-15399

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Site-specific substitution in the structure of Ni₂Zn₁₁ by the coinage metals (Cn = Ag and Au) to alter the magnetism

A. Mondal, S. S. Sethi, J. Dutta, R. Pan, S. K. Kuila, W. Xie, A. Roy and P. P. Jana, Dalton Trans., 2025, 54, 15395 DOI: 10.1039/D5DT01703C

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Site-specific substitution in the structure of Ni₂Zn₁₁ by the coinage metals (Cn = Ag and Au) to alter the magnetism

Abstract

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Site-specific substitution in the structure of Ni₂Zn₁₁ by the coinage metals (Cn = Ag and Au) to alter the magnetism

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