The present invention generally relates to low compressive stress doped
silicate glass films for STI applications. By way of non-limited example,
the stress-lowering dopant may be a fluorine dopant, a germanium dopant,
or a phosphorous dopant. The low compressive stress STI films will
generally exhibit a compressive stress of less than 180 MPa, and
preferably less than about 170 MPa. In certain embodiment, the STI films
of the invention will exhibit a compressive stress less than about 100
MPa. Further, in certain embodiments, the low compressive stress STI
films of the invention will comprise between about 0.1 and 25 atomic % of
the stress-lowering dopant.