2021
DOI: 10.1029/2020je006793
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Electrical Resistivity of FeS at High Pressures and Temperatures: Implications of Thermal Transport in the Core of Ganymede

Abstract: Introduction Outer Core Light Elements and the Case for S in Terrestrial-like CoresTerrestrial planets and some differentiated moons in our solar system are believed to have cores predominantly composed of iron-nickel (Fe-Ni) alloys with some lighter alloying or impurity elements, such as sulfur (S), oxygen (O), silicon (Si), hydrogen, and carbon. It is generally accepted that there is more than one alloying element present; however, the total content and exact proportions of each element in core composition m… Show more

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Cited by 17 publications
(39 citation statements)
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References 110 publications
(281 reference statements)
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“…First, the results of Manthilake et al (2019) applied to Ganymede's conditions suggest 8.01 µΩm near CMB. In contrast, direct ρ measurements of Fe36.5S, from 2 to 5 GPa and up to 1,785 K in a multi-anvil press, suggested a value of 4.13 ± 0.07 µΩm at CMB conditions (1,411 K, 5 GPa) (Littleton et al, 2021). The values discussed in this section are summarized in Table 8 and the variations in ρ are visualized in Figure 6.…”
Section: Ganymedementioning
confidence: 78%
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“…First, the results of Manthilake et al (2019) applied to Ganymede's conditions suggest 8.01 µΩm near CMB. In contrast, direct ρ measurements of Fe36.5S, from 2 to 5 GPa and up to 1,785 K in a multi-anvil press, suggested a value of 4.13 ± 0.07 µΩm at CMB conditions (1,411 K, 5 GPa) (Littleton et al, 2021). The values discussed in this section are summarized in Table 8 and the variations in ρ are visualized in Figure 6.…”
Section: Ganymedementioning
confidence: 78%
“…Overall, the addition of S impurity scattering increases ρ as expected. However, ρ of Fe36.5S as measured by Littleton et al (2021) is greater than that of Fe20S (Pommier, 2018). Pressure is expected to decrease ρ, yet the ρ of Fe36.5S from Manthilake et al (2019) at 8 GPa is almost double that from Littleton et al (2021) at 5 GPa.…”
Section: Ganymedementioning
confidence: 90%
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“…To date, numerous studies have investigated the electrical resistivities of Fe and Fe‐L systems (L is light elements, such as S, C, Si, and P) under various pressure‐temperature conditions (see the review paper of Berrada and Secco [2021]). Electrical resistivity has been used to discuss the thermal evolution of the Earth (Gomi & Hirose, 2015; Inoue et al., 2020; Ohta et al., 2016; Yong et al., 2019; Y. Zhang et al., 2020, 2021), Moon (Berrada et al., 2020; Yin, Zhai, et al., 2019), Mars (Suehiro et al., 2017), Ganymede (Littleton et al., 2021; Pommier, 2020), and Mercury (Berrada et al., 2021; Manthilake et al., 2019; Pommier, 2018; Pommier et al., 2019; Silber et al., 2018).…”
Section: Introductionmentioning
confidence: 99%
“…Zhang et al, 2020Y. Zhang et al, , 2021, Moon (Berrada et al, 2020;, Mars (Suehiro et al, 2017), Ganymede (Littleton et al, 2021;Pommier, 2020), and Mercury Manthilake et al, 2019;Pommier, 2018;Pommier et al, 2019;Silber et al, 2018).…”
mentioning
confidence: 99%