TY - JOUR PB - American Physical Society ID - 10.1103/Physics.4.90 TI - New Vibration in Material That Shrinks When Heated JF - Physics JA - Physics J1 - PHYSICS VL - 4 IS - SP - 90 EP - PY - 2011/11/04/ UR - http://link.aps.org/doi/10.1103/Physics.4.90 A1 - Schirber, Michael ER -