Due to the aggressive scaling of non-volatile memories, “charge-trap memories” such as MONOS-type memories become one of the most important targets. One of the merits of such MONOS-type memories is that they can trap charges inside atomic-scale defect sites in SiN layers. At the same time, however, charge traps with atomistic scale tend to induce additional large structural changes. Hydrogen has attracted a great attention as an important heteroatom in MONOS-type memories. We theoretically investigate the basic characteristics of hydrogen-defects in SiN layer in MONOS-type memories on the basis of the first-principles calculations. We find that SiN structures with a hydrogen impurity tend to reveal reversible structural change during program/erase operation.
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Akira OTAKE, Keita YAMAGUCHI, Katsumasa KAMIYA, Yasuteru SHIGETA, Kenji SHIRAISHI, "An Atomistic Study on Hydrogenation Effects toward Quality Improvement of Program/Erase Cycle of MONOS-Type Memory" in IEICE TRANSACTIONS on Electronics,
vol. E94-C, no. 5, pp. 693-698, May 2011, doi: 10.1587/transele.E94.C.693.
Abstract: Due to the aggressive scaling of non-volatile memories, “charge-trap memories” such as MONOS-type memories become one of the most important targets. One of the merits of such MONOS-type memories is that they can trap charges inside atomic-scale defect sites in SiN layers. At the same time, however, charge traps with atomistic scale tend to induce additional large structural changes. Hydrogen has attracted a great attention as an important heteroatom in MONOS-type memories. We theoretically investigate the basic characteristics of hydrogen-defects in SiN layer in MONOS-type memories on the basis of the first-principles calculations. We find that SiN structures with a hydrogen impurity tend to reveal reversible structural change during program/erase operation.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E94.C.693/_p
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@ARTICLE{e94-c_5_693,
author={Akira OTAKE, Keita YAMAGUCHI, Katsumasa KAMIYA, Yasuteru SHIGETA, Kenji SHIRAISHI, },
journal={IEICE TRANSACTIONS on Electronics},
title={An Atomistic Study on Hydrogenation Effects toward Quality Improvement of Program/Erase Cycle of MONOS-Type Memory},
year={2011},
volume={E94-C},
number={5},
pages={693-698},
abstract={Due to the aggressive scaling of non-volatile memories, “charge-trap memories” such as MONOS-type memories become one of the most important targets. One of the merits of such MONOS-type memories is that they can trap charges inside atomic-scale defect sites in SiN layers. At the same time, however, charge traps with atomistic scale tend to induce additional large structural changes. Hydrogen has attracted a great attention as an important heteroatom in MONOS-type memories. We theoretically investigate the basic characteristics of hydrogen-defects in SiN layer in MONOS-type memories on the basis of the first-principles calculations. We find that SiN structures with a hydrogen impurity tend to reveal reversible structural change during program/erase operation.},
keywords={},
doi={10.1587/transele.E94.C.693},
ISSN={1745-1353},
month={May},}
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TY - JOUR
TI - An Atomistic Study on Hydrogenation Effects toward Quality Improvement of Program/Erase Cycle of MONOS-Type Memory
T2 - IEICE TRANSACTIONS on Electronics
SP - 693
EP - 698
AU - Akira OTAKE
AU - Keita YAMAGUCHI
AU - Katsumasa KAMIYA
AU - Yasuteru SHIGETA
AU - Kenji SHIRAISHI
PY - 2011
DO - 10.1587/transele.E94.C.693
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E94-C
IS - 5
JA - IEICE TRANSACTIONS on Electronics
Y1 - May 2011
AB - Due to the aggressive scaling of non-volatile memories, “charge-trap memories” such as MONOS-type memories become one of the most important targets. One of the merits of such MONOS-type memories is that they can trap charges inside atomic-scale defect sites in SiN layers. At the same time, however, charge traps with atomistic scale tend to induce additional large structural changes. Hydrogen has attracted a great attention as an important heteroatom in MONOS-type memories. We theoretically investigate the basic characteristics of hydrogen-defects in SiN layer in MONOS-type memories on the basis of the first-principles calculations. We find that SiN structures with a hydrogen impurity tend to reveal reversible structural change during program/erase operation.
ER -