# Heat capacity and magnetoresistance in Dy(Co,Si)2 compounds

Source: [Heat capacity and magnetoresistance in Dy(Co,Si)2 compounds](<https://www.sota2.com/research/paper/68fa26ea2c2a3760193be835>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T11:41:31.680Z

Authors: Niraj K. Singh, K. G. Suresh, A. K. Nigam, S. K. Malik

Published: 2005-01-24T07:27:38.000Z

## Abstract

Magnetocaloric effect and magnetoresistance have been studied in Dy(Co1-xSix)2 \[x=0, 0.075 and 0.15\] compounds. Magnetocaloric effect has been calculated in terms of adiabatic temperatue change (Delta Tad) as well as isothermal magnetic entropy change (Delta SM) using the heat capacity data. The maximum values of DeltaSM and DeltaTad for DyCo2 are found to be 11.4 JKg-1K-1 and 5.4 K, respectively. Both DSM and DTad decrease with Si concentration, reaching a value of 5.4 JKg-1K-1 and 3 K, respectively for x=0.15. The maximum magnetoresistance is found to about 32% in DyCo2, which decreases with increase in Si. These variations are explained on the basis of itinerant electron metamagnetism occurring in these compounds.

## Recorded benchmark results

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

## Original sources and implementation

[Original paper](<https://arxiv.org/abs/cond-mat/0501552>)

[PDF](<https://arxiv.org/pdf/cond-mat/0501552.pdf>)