Effect of crystal structure on the Young's modulus of GaP nanowires

Prokhor A. Alekseev; Bogdan R. Borodin; Pavel Geydt; Vladislav Khayrudinov; Kristina Bespalova; Demid A. Kirilenko; Rodion R. Reznik; Alexey Nashchekin; Tuomas Haggren; Erkki Lahderanta; George E. Cirlin; Harri Lipsanen; Mikhail S. Dunaevskiy

doi:10.1088/1361-6528/ac0ac7

Effect of crystal structure on the Young's modulus of GaP nanowires

Prokhor A. Alekseev^*, Bogdan R. Borodin, Pavel Geydt, Vladislav Khayrudinov, Kristina Bespalova, Demid A. Kirilenko, Rodion R. Reznik, Alexey Nashchekin, Tuomas Haggren, Erkki Lahderanta, George E. Cirlin, Harri Lipsanen, Mikhail S. Dunaevskiy

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Tutkimustuotos: Lehtiartikkeli › Article › Scientific › vertaisarvioitu

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Abstrakti

Young's modulus of tapered mixed composition (zinc-blende with a high density of twins and wurtzite with a high density of stacking faults) gallium phosphide (GaP) nanowires (NWs) was investigated by atomic force microscopy. Experimental measurements were performed by obtaining bending profiles of as-grown inclined GaP NWs deformed by applying a constant force to a series of NW surface locations at various distances from the NW/substrate interface. Numerical modeling of experimental data on bending profiles was done by applying Euler-Bernoulli beam theory. Measurements of the nano-local stiffness at different distances from the NW/substrate interface revealed NWs with a non-ideal mechanical fixation at the NW/substrate interface. Analysis of the NWs with ideally fixed base resulted in experimentally measured Young's modulus of 155 +/- 20 GPa for ZB NWs, and 157 +/- 20 GPa for WZ NWs, respectively, which are in consistence with a theoretically predicted bulk value of 167 GPa. Thus, impacts of the crystal structure (WZ/ZB) and crystal defects on Young's modulus of GaP NWs were found to be negligible.

Alkuperäiskieli	Englanti
Artikkeli	385706
Sivumäärä	8
Julkaisu	Nanotechnology
Vuosikerta	32
Numero	38
DOI - pysyväislinkit	https://doi.org/10.1088/1361-6528/ac0ac7
Tila	Julkaistu - 17 syysk. 2021
OKM-julkaisutyyppi	A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

Pääsy asiakirjaan

10.1088/1361-6528/ac0ac7

accepted versionAccepted author manuscript, 1,03 MBLisenssi: CC BY-NC-ND

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@article{7e4556653bb34176a8642745b6cddb1e,

title = "Effect of crystal structure on the Young's modulus of GaP nanowires",

abstract = "Young's modulus of tapered mixed composition (zinc-blende with a high density of twins and wurtzite with a high density of stacking faults) gallium phosphide (GaP) nanowires (NWs) was investigated by atomic force microscopy. Experimental measurements were performed by obtaining bending profiles of as-grown inclined GaP NWs deformed by applying a constant force to a series of NW surface locations at various distances from the NW/substrate interface. Numerical modeling of experimental data on bending profiles was done by applying Euler-Bernoulli beam theory. Measurements of the nano-local stiffness at different distances from the NW/substrate interface revealed NWs with a non-ideal mechanical fixation at the NW/substrate interface. Analysis of the NWs with ideally fixed base resulted in experimentally measured Young's modulus of 155 +/- 20 GPa for ZB NWs, and 157 +/- 20 GPa for WZ NWs, respectively, which are in consistence with a theoretically predicted bulk value of 167 GPa. Thus, impacts of the crystal structure (WZ/ZB) and crystal defects on Young's modulus of GaP NWs were found to be negligible.",

keywords = "GaP, nanowire, atomic force microscopy, WZ, ZB, Young's modulus, bending, III-V NANOWIRES, MECHANICAL-PROPERTIES, GAAS NANOWIRES, WURTZITE, RESONANCE, STRESS, CELL",

author = "Alekseev, {Prokhor A.} and Borodin, {Bogdan R.} and Pavel Geydt and Vladislav Khayrudinov and Kristina Bespalova and Kirilenko, {Demid A.} and Reznik, {Rodion R.} and Alexey Nashchekin and Tuomas Haggren and Erkki Lahderanta and Cirlin, {George E.} and Harri Lipsanen and Dunaevskiy, {Mikhail S.}",

year = "2021",

month = sep,

day = "17",

doi = "10.1088/1361-6528/ac0ac7",

language = "English",

volume = "32",

journal = "Nanotechnology",

issn = "0957-4484",

publisher = "Institute of Physics Publishing ",

number = "38",

}

TY - JOUR

T1 - Effect of crystal structure on the Young's modulus of GaP nanowires

AU - Alekseev, Prokhor A.

AU - Borodin, Bogdan R.

AU - Geydt, Pavel

AU - Khayrudinov, Vladislav

AU - Bespalova, Kristina

AU - Kirilenko, Demid A.

AU - Reznik, Rodion R.

AU - Nashchekin, Alexey

AU - Haggren, Tuomas

AU - Lahderanta, Erkki

AU - Cirlin, George E.

AU - Lipsanen, Harri

AU - Dunaevskiy, Mikhail S.

PY - 2021/9/17

Y1 - 2021/9/17

N2 - Young's modulus of tapered mixed composition (zinc-blende with a high density of twins and wurtzite with a high density of stacking faults) gallium phosphide (GaP) nanowires (NWs) was investigated by atomic force microscopy. Experimental measurements were performed by obtaining bending profiles of as-grown inclined GaP NWs deformed by applying a constant force to a series of NW surface locations at various distances from the NW/substrate interface. Numerical modeling of experimental data on bending profiles was done by applying Euler-Bernoulli beam theory. Measurements of the nano-local stiffness at different distances from the NW/substrate interface revealed NWs with a non-ideal mechanical fixation at the NW/substrate interface. Analysis of the NWs with ideally fixed base resulted in experimentally measured Young's modulus of 155 +/- 20 GPa for ZB NWs, and 157 +/- 20 GPa for WZ NWs, respectively, which are in consistence with a theoretically predicted bulk value of 167 GPa. Thus, impacts of the crystal structure (WZ/ZB) and crystal defects on Young's modulus of GaP NWs were found to be negligible.

AB - Young's modulus of tapered mixed composition (zinc-blende with a high density of twins and wurtzite with a high density of stacking faults) gallium phosphide (GaP) nanowires (NWs) was investigated by atomic force microscopy. Experimental measurements were performed by obtaining bending profiles of as-grown inclined GaP NWs deformed by applying a constant force to a series of NW surface locations at various distances from the NW/substrate interface. Numerical modeling of experimental data on bending profiles was done by applying Euler-Bernoulli beam theory. Measurements of the nano-local stiffness at different distances from the NW/substrate interface revealed NWs with a non-ideal mechanical fixation at the NW/substrate interface. Analysis of the NWs with ideally fixed base resulted in experimentally measured Young's modulus of 155 +/- 20 GPa for ZB NWs, and 157 +/- 20 GPa for WZ NWs, respectively, which are in consistence with a theoretically predicted bulk value of 167 GPa. Thus, impacts of the crystal structure (WZ/ZB) and crystal defects on Young's modulus of GaP NWs were found to be negligible.

KW - GaP

KW - nanowire

KW - atomic force microscopy

KW - WZ

KW - ZB

KW - Young's modulus

KW - bending

KW - III-V NANOWIRES

KW - MECHANICAL-PROPERTIES

KW - GAAS NANOWIRES

KW - WURTZITE

KW - RESONANCE

KW - STRESS

KW - CELL

U2 - 10.1088/1361-6528/ac0ac7

DO - 10.1088/1361-6528/ac0ac7

M3 - Article

SN - 0957-4484

VL - 32

JO - Nanotechnology

JF - Nanotechnology

IS - 38

M1 - 385706

ER -

Effect of crystal structure on the Young's modulus of GaP nanowires

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