Complex sentence: Recent research emphasises use of Gd--(Si_Ge --)--alloys, which is cheaper than pure gadolinium, the MCE is more resistant to impurities present in commercial gadolinium than other compounds and may live up to commercial use.
Split into simpler sentences: Recent research emphasises the use of Gd--(Si_Ge --)--alloys, which are cheaper than pure gadolinium. The MCE is more resistant to impurities present in commercial gadolinium than other compounds, and may be worth the cost in commercial use.