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Samarium(III) arsenide
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<h2 id="synthesis">Synthesis</h2> <p>Samarium arsenide can be synthesised by heating of pure substances in vacuum: </p> Sm + As → SmAs <h2 id="physical-properties">Physical properties</h2> <p>Samarium arsenide forms crystals of a <a href="/facts/Cubic_system/92Co7BKM">cubic system</a>,<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> space group <i>Fm3m</i>, cell parameters a = 0.5921 nm, Z = 4, of <a href="/facts/NaCl/MWcXl3Mb">NaCl</a>-structure.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p><p>The compound <a href="/facts/Congruent_melting/SU3j9F0r">melts congruently</a> at 2257 °C. </p> <h2 id="uses">Uses</h2> <p>SmAs is used as a <a href="/facts/Semiconductor/zFf3mGTE">semiconductor</a> and in photo optic applications.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Toxic Substances Control Act (TSCA) Chemical Substance Inventory. Cumulative Supplement to the Initial Inventory: User Guide and Indices. United States Environmental Protection Agency. 1980. p. 301. Retrieved 11 January 2022. <a href="https://books.google.com/books?id=fkkJPwbY93gC&dq=Samarium+arsenide&pg=RA3-PA301" target="_blank">https://books.google.com/books?id=fkkJPwbY93gC&dq=Samarium+arsenide&pg=RA3-PA301</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"mp-1738: SmAs (cubic, Fm-3m, 225)". materialsproject.org. Retrieved 11 January 2022. <a href="https://materialsproject.org/materials/mp-1738/" target="_blank">https://materialsproject.org/materials/mp-1738/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>NBS Monograph. National Bureau of Standards. 1959. p. 68. Retrieved 11 January 2022. <a href="https://books.google.com/books?id=SUB7V7hqZTMC&dq=Samarium+arsenide&pg=RA1-PA68" target="_blank">https://books.google.com/books?id=SUB7V7hqZTMC&dq=Samarium+arsenide&pg=RA1-PA68</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Predel, B. (1991). "As-Sm (Arsenic-Samarium) - SpringerMaterials". materials.springer.com. Retrieved 11 January 2022. <a href="https://materials.springer.com/lb/docs/sm_lbs_978-3-540-39444-0_242" target="_blank">https://materials.springer.com/lb/docs/sm_lbs_978-3-540-39444-0_242</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Iandelli, A. (November 1956). "Uber einige Verbindungen des Samariums vom NaCl-Typ". Zeitschrift für anorganische und allgemeine Chemie (in German). 288 (1–2): 81–86. doi:10.1002/zaac.19562880111. Retrieved 11 January 2022. <a href="https://onlinelibrary.wiley.com/doi/10.1002/zaac.19562880111" target="_blank">https://onlinelibrary.wiley.com/doi/10.1002/zaac.19562880111</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Samarium Arsenide". American Elements. Retrieved 11 January 2022. <a href="https://www.americanelements.com/samarium-arsenide-12255-39-9" target="_blank">https://www.americanelements.com/samarium-arsenide-12255-39-9</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> </ol>