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journal article·2024-02-01Open access

Magnetic field-induced narrow first-order and metamagnetic phase transitions of Nd5Ge3

S. Shanmukharao Samatham, Venkateswara Yenugonda, Gowrinaidu Babbadi, Muralikrishna Patwari, Arjun K. Pathak, P. Manuel, D. Khalyavin, Stephen Cottrell, A. D. Hillier, K. G. Suresh

AIP Advances· Volume 14· Issue 2
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Abstract

We report on the magnetic behaviour of Nd5Ge3 by investigating through magnetization, neutron diffraction and muon spin relaxation measurements. Temperature dependent-magnetization, muon depolarization rate (λ), initial asymmetry (A0) and the stretched exponent (β) show a clear anomaly at the Néel temperature TN ∼ 54 K. However, the short-range correlated ferromagnetic interactions below TN are inferred from the diffuse scattering mechanism as revealed by zero-field neutron diffraction data. Narrow first order phase transition is due to the competing interaction of a high temperature weak-antiferromagnetic and low temperature glassy states. Magnetic field-induced reentrant spin glass state from a magnetic glass state is observed, before it transforms to a ferromagnetic state.
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Research context

Ceramics & glasses

OpenAlex topics: Rare-earth and actinide compounds · Advanced Condensed Matter Physics · High-pressure geophysics and materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics, Chaitanya Bharathi Institute of Technology 1 , Gandipet, Hyderabad 500 075, India

Magnetic Materials Laboratory, Department of Physics, Indian Institute of Technology Bombay 2 , Mumbai 400 076, India

Department of Physics, SUNY Buffalo State University 3 , Buffalo, New York 14222, USA

Department of Physics, Government College (Autonomous) 4 , Rajahmundry 533 105, Andhra Pradesh, India

Department of Chemistry, Chaitanya Bharathi Institute of Technology 5 , Gandipet, Hyderabad 500 075, India

ISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Science and Technology Facilities Council 6 , Didcot OX11 0QX, United Kingdom

Funding

Mission on Nano Science and Technology · National Science Foundation · Science and Engineering Research Board

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