title: Elastic and ultrasonic properties of single crystalline nickel nanowires.
abstract: In the present paper, we have theoretically calculated the non linear elastic constants of single crystalline Ni NWs at very broad temperature range 20-300K validating simple interaction potential model. The temperature dependent ultrasonic attenuation and other related properties are determined using their second and third order elastic constants (SOECs/TOECs). Where possible, the results are compared with experiments from literature. There is a correlation between the thermal conductivity and ultrasonic attenuation in the temperature range 100-300K. Also, a correlation between the resistivity and ultrasonic attenuation in the temperature range 40-100K has been established validating the theoretical approach.
authors.affiliation: Department of Physics, University of Allahabad, Allahabad 211002, India. Electronic address: mohitauphy89@gmail.com.
authors.forename: Mohit
authors.initials: M
authors.lastname: Gupta
authors.affiliation: Department of Physics, University of Allahabad, Allahabad 211002, India.
authors.forename: Meher
authors.initials: M
authors.lastname: Wan
authors.affiliation: Department of Physics, Government Polytechnic, Adampur, Gonda 271404, India.
authors.forename: S K
authors.initials: SK
authors.lastname: Verma
authors.affiliation: Department of Physics, University of Allahabad, Allahabad 211002, India.
authors.forename: R R
authors.initials: RR
authors.lastname: Yadav
keywords: Nanowires; Temperature dependence; Ultrasonic attenuation